./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0f06934cf0a805cb048f0176724532537dc37fef498416da6a9c75c5b5e225f5 --- 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 [2022-12-14 16:08:44,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:08:44,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:08:44,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:08:44,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:08:44,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:08:44,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:08:44,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:08:44,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:08:44,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:08:44,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:08:44,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:08:44,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:08:44,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:08:44,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:08:44,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:08:44,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:08:44,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:08:44,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:08:44,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:08:44,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:08:44,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:08:44,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:08:44,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:08:44,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:08:44,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:08:44,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:08:44,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:08:44,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:08:44,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:08:44,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:08:44,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:08:44,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:08:44,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:08:44,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:08:44,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:08:44,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:08:44,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:08:44,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:08:44,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:08:44,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:08:44,922 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 16:08:44,946 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:08:44,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:08:44,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:08:44,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:08:44,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:08:44,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:08:44,948 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:08:44,948 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:08:44,948 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:08:44,948 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 16:08:44,948 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:08:44,948 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:08:44,949 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 16:08:44,949 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 16:08:44,949 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:08:44,949 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 16:08:44,949 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 16:08:44,949 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 16:08:44,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:08:44,950 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:08:44,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:08:44,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:08:44,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:08:44,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:08:44,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:08:44,951 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:08:44,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:08:44,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:08:44,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:08:44,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:08:44,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:08:44,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:08:44,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:08:44,952 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 16:08:44,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:08:44,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:08:44,952 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 16:08:44,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:08:44,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:08:44,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:08:44,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f06934cf0a805cb048f0176724532537dc37fef498416da6a9c75c5b5e225f5 [2022-12-14 16:08:45,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:08:45,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:08:45,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:08:45,176 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:08:45,176 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:08:45,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_04_good.i [2022-12-14 16:08:47,738 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:08:47,971 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:08:47,971 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_04_good.i [2022-12-14 16:08:47,984 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh/data/4a3b08478/5735ac376e82416b88fce7c7fb806562/FLAGb03352d0d [2022-12-14 16:08:48,312 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh/data/4a3b08478/5735ac376e82416b88fce7c7fb806562 [2022-12-14 16:08:48,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:08:48,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:08:48,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:08:48,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:08:48,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:08:48,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:08:48" (1/1) ... [2022-12-14 16:08:48,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e72133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:48, skipping insertion in model container [2022-12-14 16:08:48,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:08:48" (1/1) ... [2022-12-14 16:08:48,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:08:48,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:08:48,587 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 16:08:48,881 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 16:08:48,885 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 16:08:48,887 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 16:08:48,888 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 16:08:48,889 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 16:08:48,914 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 16:08:48,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:08:48,922 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:08:48,936 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 16:08:48,966 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 16:08:48,967 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 16:08:48,967 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 16:08:48,969 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 16:08:48,969 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 16:08:48,974 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 16:08:48,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:08:49,110 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:08:49,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:49 WrapperNode [2022-12-14 16:08:49,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:08:49,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:08:49,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:08:49,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:08:49,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:49" (1/1) ... [2022-12-14 16:08:49,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:49" (1/1) ... [2022-12-14 16:08:49,149 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 83 [2022-12-14 16:08:49,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:08:49,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:08:49,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:08:49,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:08:49,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:49" (1/1) ... [2022-12-14 16:08:49,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:49" (1/1) ... [2022-12-14 16:08:49,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:49" (1/1) ... [2022-12-14 16:08:49,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:49" (1/1) ... [2022-12-14 16:08:49,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:49" (1/1) ... [2022-12-14 16:08:49,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:49" (1/1) ... [2022-12-14 16:08:49,165 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:49" (1/1) ... [2022-12-14 16:08:49,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:49" (1/1) ... [2022-12-14 16:08:49,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:08:49,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:08:49,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:08:49,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:08:49,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:49" (1/1) ... [2022-12-14 16:08:49,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:08:49,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:49,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 16:08:49,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 16:08:49,228 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 16:08:49,228 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 16:08:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 16:08:49,229 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 16:08:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:08:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:08:49,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:08:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 16:08:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:08:49,331 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:08:49,333 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:08:49,481 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:08:49,508 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:08:49,509 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 16:08:49,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:08:49 BoogieIcfgContainer [2022-12-14 16:08:49,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:08:49,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 16:08:49,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 16:08:49,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 16:08:49,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:08:48" (1/3) ... [2022-12-14 16:08:49,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1b8773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:08:49, skipping insertion in model container [2022-12-14 16:08:49,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:49" (2/3) ... [2022-12-14 16:08:49,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1b8773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:08:49, skipping insertion in model container [2022-12-14 16:08:49,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:08:49" (3/3) ... [2022-12-14 16:08:49,517 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_04_good.i [2022-12-14 16:08:49,532 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 16:08:49,532 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-14 16:08:49,567 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 16:08:49,571 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=FINITE_AUTOMATA, 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;@5983efbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 16:08:49,571 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 16:08:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 44 states have internal predecessors, (47), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 16:08:49,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 16:08:49,580 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:49,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:08:49,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 16:08:49,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:49,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1134240408, now seen corresponding path program 1 times [2022-12-14 16:08:49,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:49,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417087065] [2022-12-14 16:08:49,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:49,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:49,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:08:49,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:49,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417087065] [2022-12-14 16:08:49,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417087065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:49,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:49,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:08:49,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004431909] [2022-12-14 16:08:49,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:49,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:08:49,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:49,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:08:49,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:49,796 INFO L87 Difference]: Start difference. First operand has 49 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 44 states have internal predecessors, (47), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-12-14 16:08:49,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:49,847 INFO L93 Difference]: Finished difference Result 81 states and 112 transitions. [2022-12-14 16:08:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:08:49,849 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2022-12-14 16:08:49,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:49,855 INFO L225 Difference]: With dead ends: 81 [2022-12-14 16:08:49,856 INFO L226 Difference]: Without dead ends: 70 [2022-12-14 16:08:49,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:49,860 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 37 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:49,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 149 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:08:49,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-12-14 16:08:49,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 43. [2022-12-14 16:08:49,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 39 states have internal predecessors, (41), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 16:08:49,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2022-12-14 16:08:49,890 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 9 [2022-12-14 16:08:49,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:49,890 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2022-12-14 16:08:49,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-12-14 16:08:49,891 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-12-14 16:08:49,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 16:08:49,892 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:49,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:08:49,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 16:08:49,892 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 16:08:49,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:49,893 INFO L85 PathProgramCache]: Analyzing trace with hash 801714346, now seen corresponding path program 1 times [2022-12-14 16:08:49,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:49,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273316597] [2022-12-14 16:08:49,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:49,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:08:49,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:49,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273316597] [2022-12-14 16:08:49,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273316597] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:49,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:49,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:08:49,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817391256] [2022-12-14 16:08:49,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:49,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:08:49,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:49,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:08:49,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:49,945 INFO L87 Difference]: Start difference. First operand 43 states and 57 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-14 16:08:49,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:49,967 INFO L93 Difference]: Finished difference Result 70 states and 93 transitions. [2022-12-14 16:08:49,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:08:49,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 10 [2022-12-14 16:08:49,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:49,969 INFO L225 Difference]: With dead ends: 70 [2022-12-14 16:08:49,969 INFO L226 Difference]: Without dead ends: 69 [2022-12-14 16:08:49,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:49,970 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 29 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 95 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 [2022-12-14 16:08:49,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 95 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:08:49,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-12-14 16:08:49,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 42. [2022-12-14 16:08:49,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 16:08:49,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2022-12-14 16:08:49,976 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 10 [2022-12-14 16:08:49,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:49,976 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2022-12-14 16:08:49,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-14 16:08:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2022-12-14 16:08:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 16:08:49,977 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:49,977 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:08:49,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 16:08:49,978 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 16:08:49,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:49,978 INFO L85 PathProgramCache]: Analyzing trace with hash -2125142047, now seen corresponding path program 1 times [2022-12-14 16:08:49,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:49,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620615762] [2022-12-14 16:08:49,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:49,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:50,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:08:50,023 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:50,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620615762] [2022-12-14 16:08:50,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620615762] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:50,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:50,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:08:50,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150163285] [2022-12-14 16:08:50,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:50,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:08:50,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:50,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:08:50,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:50,026 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 16:08:50,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:50,049 INFO L93 Difference]: Finished difference Result 59 states and 77 transitions. [2022-12-14 16:08:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:08:50,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-14 16:08:50,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:50,051 INFO L225 Difference]: With dead ends: 59 [2022-12-14 16:08:50,051 INFO L226 Difference]: Without dead ends: 58 [2022-12-14 16:08:50,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:50,053 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 21 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:50,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 106 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:08:50,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-12-14 16:08:50,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 41. [2022-12-14 16:08:50,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 26 states have (on average 1.5) internal successors, (39), 37 states have internal predecessors, (39), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-14 16:08:50,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2022-12-14 16:08:50,060 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 12 [2022-12-14 16:08:50,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:50,061 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions. [2022-12-14 16:08:50,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 16:08:50,061 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2022-12-14 16:08:50,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 16:08:50,062 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:50,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:08:50,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 16:08:50,063 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 16:08:50,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:50,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1454893923, now seen corresponding path program 1 times [2022-12-14 16:08:50,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:50,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396711971] [2022-12-14 16:08:50,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:50,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:08:50,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:50,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396711971] [2022-12-14 16:08:50,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396711971] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:50,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:50,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:08:50,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640936464] [2022-12-14 16:08:50,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:50,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:08:50,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:50,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:08:50,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:08:50,150 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 16:08:50,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:50,211 INFO L93 Difference]: Finished difference Result 81 states and 103 transitions. [2022-12-14 16:08:50,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:08:50,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-12-14 16:08:50,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:50,212 INFO L225 Difference]: With dead ends: 81 [2022-12-14 16:08:50,213 INFO L226 Difference]: Without dead ends: 38 [2022-12-14 16:08:50,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:08:50,215 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 55 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:50,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 65 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:08:50,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-12-14 16:08:50,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-12-14 16:08:50,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 24 states have (on average 1.375) internal successors, (33), 33 states have internal predecessors, (33), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-14 16:08:50,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 47 transitions. [2022-12-14 16:08:50,222 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 47 transitions. Word has length 13 [2022-12-14 16:08:50,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:50,222 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 47 transitions. [2022-12-14 16:08:50,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 16:08:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-12-14 16:08:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 16:08:50,223 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:50,223 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:08:50,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 16:08:50,224 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 16:08:50,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:50,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1205627324, now seen corresponding path program 1 times [2022-12-14 16:08:50,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:50,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649694820] [2022-12-14 16:08:50,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:50,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:08:50,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:50,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649694820] [2022-12-14 16:08:50,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649694820] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:50,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:50,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:08:50,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695593584] [2022-12-14 16:08:50,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:50,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:08:50,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:50,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:08:50,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:50,264 INFO L87 Difference]: Start difference. First operand 38 states and 47 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-14 16:08:50,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:50,278 INFO L93 Difference]: Finished difference Result 67 states and 80 transitions. [2022-12-14 16:08:50,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:08:50,278 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 15 [2022-12-14 16:08:50,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:50,279 INFO L225 Difference]: With dead ends: 67 [2022-12-14 16:08:50,279 INFO L226 Difference]: Without dead ends: 36 [2022-12-14 16:08:50,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:50,281 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 38 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:50,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 33 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:08:50,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-12-14 16:08:50,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-12-14 16:08:50,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 31 states have internal predecessors, (31), 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) [2022-12-14 16:08:50,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2022-12-14 16:08:50,287 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 15 [2022-12-14 16:08:50,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:50,287 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2022-12-14 16:08:50,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-14 16:08:50,287 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2022-12-14 16:08:50,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 16:08:50,288 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:50,288 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:08:50,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 16:08:50,288 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 16:08:50,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:50,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1669568577, now seen corresponding path program 1 times [2022-12-14 16:08:50,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:50,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988695245] [2022-12-14 16:08:50,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:50,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:08:50,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:50,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988695245] [2022-12-14 16:08:50,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988695245] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:50,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:50,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:08:50,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952589390] [2022-12-14 16:08:50,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:50,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:08:50,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:50,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:08:50,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:50,331 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (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) [2022-12-14 16:08:50,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:50,350 INFO L93 Difference]: Finished difference Result 52 states and 58 transitions. [2022-12-14 16:08:50,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:08:50,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (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 17 [2022-12-14 16:08:50,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:50,351 INFO L225 Difference]: With dead ends: 52 [2022-12-14 16:08:50,351 INFO L226 Difference]: Without dead ends: 51 [2022-12-14 16:08:50,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:50,353 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 16 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 60 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 [2022-12-14 16:08:50,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 60 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:08:50,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-14 16:08:50,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 35. [2022-12-14 16:08:50,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 24 states have (on average 1.25) internal successors, (30), 30 states have internal predecessors, (30), 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) [2022-12-14 16:08:50,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2022-12-14 16:08:50,359 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 17 [2022-12-14 16:08:50,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:50,359 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2022-12-14 16:08:50,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (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) [2022-12-14 16:08:50,360 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-12-14 16:08:50,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 16:08:50,360 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:50,360 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:08:50,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 16:08:50,361 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 16:08:50,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:50,361 INFO L85 PathProgramCache]: Analyzing trace with hash -2016395867, now seen corresponding path program 1 times [2022-12-14 16:08:50,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:50,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143468464] [2022-12-14 16:08:50,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:50,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:50,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:08:50,403 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:50,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143468464] [2022-12-14 16:08:50,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143468464] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:50,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:50,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:08:50,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714329476] [2022-12-14 16:08:50,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:50,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:08:50,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:50,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:08:50,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:50,405 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-12-14 16:08:50,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:50,423 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2022-12-14 16:08:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:08:50,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 19 [2022-12-14 16:08:50,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:50,424 INFO L225 Difference]: With dead ends: 42 [2022-12-14 16:08:50,424 INFO L226 Difference]: Without dead ends: 33 [2022-12-14 16:08:50,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:50,425 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 8 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 47 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 [2022-12-14 16:08:50,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 47 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:08:50,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-14 16:08:50,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-12-14 16:08:50,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 24 states have (on average 1.125) internal successors, (27), 27 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 16:08:50,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2022-12-14 16:08:50,431 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 19 [2022-12-14 16:08:50,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:50,431 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2022-12-14 16:08:50,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-12-14 16:08:50,431 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-12-14 16:08:50,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 16:08:50,432 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:50,432 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 16:08:50,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 16:08:50,433 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 16:08:50,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:50,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1428994368, now seen corresponding path program 1 times [2022-12-14 16:08:50,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:50,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353791473] [2022-12-14 16:08:50,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:50,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:50,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:08:50,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:50,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353791473] [2022-12-14 16:08:50,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353791473] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:50,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:50,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 16:08:50,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308038045] [2022-12-14 16:08:50,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:50,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:08:50,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:50,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:08:50,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:08:50,505 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-12-14 16:08:50,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:50,523 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2022-12-14 16:08:50,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:08:50,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 27 [2022-12-14 16:08:50,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:50,524 INFO L225 Difference]: With dead ends: 49 [2022-12-14 16:08:50,524 INFO L226 Difference]: Without dead ends: 30 [2022-12-14 16:08:50,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:08:50,525 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 14 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:50,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 40 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:08:50,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-12-14 16:08:50,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-12-14 16:08:50,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 23 states have internal predecessors, (23), 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) [2022-12-14 16:08:50,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2022-12-14 16:08:50,529 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 27 [2022-12-14 16:08:50,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:50,529 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2022-12-14 16:08:50,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2022-12-14 16:08:50,529 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2022-12-14 16:08:50,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 16:08:50,530 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:50,530 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:08:50,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 16:08:50,531 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 16:08:50,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:50,531 INFO L85 PathProgramCache]: Analyzing trace with hash 698850674, now seen corresponding path program 1 times [2022-12-14 16:08:50,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:50,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814085556] [2022-12-14 16:08:50,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:50,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:50,569 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 16:08:50,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:50,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814085556] [2022-12-14 16:08:50,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814085556] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:50,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:50,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:08:50,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676068657] [2022-12-14 16:08:50,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:50,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:08:50,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:50,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:08:50,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:50,571 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 16:08:50,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:50,583 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2022-12-14 16:08:50,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:08:50,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2022-12-14 16:08:50,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:50,584 INFO L225 Difference]: With dead ends: 30 [2022-12-14 16:08:50,584 INFO L226 Difference]: Without dead ends: 29 [2022-12-14 16:08:50,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:50,585 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:50,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 43 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:08:50,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-12-14 16:08:50,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-12-14 16:08:50,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.0) internal successors, (22), 22 states have internal predecessors, (22), 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) [2022-12-14 16:08:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2022-12-14 16:08:50,590 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 31 [2022-12-14 16:08:50,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:50,590 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2022-12-14 16:08:50,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 16:08:50,590 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2022-12-14 16:08:50,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 16:08:50,591 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:50,591 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:08:50,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 16:08:50,591 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 16:08:50,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:50,592 INFO L85 PathProgramCache]: Analyzing trace with hash 189534561, now seen corresponding path program 1 times [2022-12-14 16:08:50,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:50,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844934444] [2022-12-14 16:08:50,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:50,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:50,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 16:08:50,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:50,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844934444] [2022-12-14 16:08:50,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844934444] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:50,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:50,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 16:08:50,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217422135] [2022-12-14 16:08:50,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:50,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 16:08:50,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:50,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 16:08:50,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 16:08:50,658 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 16:08:50,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:50,678 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2022-12-14 16:08:50,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 16:08:50,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2022-12-14 16:08:50,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:50,679 INFO L225 Difference]: With dead ends: 29 [2022-12-14 16:08:50,679 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 16:08:50,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:08:50,680 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 17 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:50,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 36 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:08:50,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 16:08:50,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 16:08:50,681 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) [2022-12-14 16:08:50,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 16:08:50,681 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-12-14 16:08:50,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:50,681 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 16:08:50,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 16:08:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 16:08:50,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 16:08:50,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-14 16:08:50,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-14 16:08:50,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-14 16:08:50,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-14 16:08:50,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-14 16:08:50,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-14 16:08:50,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-14 16:08:50,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-14 16:08:50,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 16:08:50,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 16:08:50,751 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-14 16:08:50,752 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 16:08:50,752 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-14 16:08:50,752 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 16:08:50,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1592) no Hoare annotation was computed. [2022-12-14 16:08:50,752 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1599) no Hoare annotation was computed. [2022-12-14 16:08:50,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1635) no Hoare annotation was computed. [2022-12-14 16:08:50,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1568) no Hoare annotation was computed. [2022-12-14 16:08:50,753 INFO L895 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: (and (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (not (= ~STATIC_CONST_TRUE~0 0)) (= ~STATIC_CONST_FALSE~0 0) (= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-14 16:08:50,753 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1575) no Hoare annotation was computed. [2022-12-14 16:08:50,753 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1550 1577) no Hoare annotation was computed. [2022-12-14 16:08:50,753 INFO L899 garLoopResultBuilder]: For program point L1606(lines 1606 1613) no Hoare annotation was computed. [2022-12-14 16:08:50,753 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: (and (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (not (= ~STATIC_CONST_TRUE~0 0)) (= ~STATIC_CONST_FALSE~0 0)) [2022-12-14 16:08:50,753 INFO L899 garLoopResultBuilder]: For program point L1606-1(lines 1603 1622) no Hoare annotation was computed. [2022-12-14 16:08:50,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1568) no Hoare annotation was computed. [2022-12-14 16:08:50,753 INFO L899 garLoopResultBuilder]: For program point L1623(lines 1623 1639) no Hoare annotation was computed. [2022-12-14 16:08:50,754 INFO L899 garLoopResultBuilder]: For program point L1590(lines 1590 1598) no Hoare annotation was computed. [2022-12-14 16:08:50,754 INFO L899 garLoopResultBuilder]: For program point L1582-2(lines 1579 1601) no Hoare annotation was computed. [2022-12-14 16:08:50,754 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 16:08:50,754 INFO L899 garLoopResultBuilder]: For program point L1566(lines 1566 1574) no Hoare annotation was computed. [2022-12-14 16:08:50,754 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1620) no Hoare annotation was computed. [2022-12-14 16:08:50,754 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (= ~STATIC_CONST_TRUE~0 0) [2022-12-14 16:08:50,754 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1637) no Hoare annotation was computed. [2022-12-14 16:08:50,754 INFO L899 garLoopResultBuilder]: For program point L1592(line 1592) no Hoare annotation was computed. [2022-12-14 16:08:50,754 INFO L899 garLoopResultBuilder]: For program point L1592-1(line 1592) no Hoare annotation was computed. [2022-12-14 16:08:50,754 INFO L895 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: (and (not (= ~STATIC_CONST_TRUE~0 0)) (= ~STATIC_CONST_FALSE~0 0)) [2022-12-14 16:08:50,754 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2022-12-14 16:08:50,755 INFO L899 garLoopResultBuilder]: For program point L1568(line 1568) no Hoare annotation was computed. [2022-12-14 16:08:50,755 INFO L899 garLoopResultBuilder]: For program point L1568-1(line 1568) no Hoare annotation was computed. [2022-12-14 16:08:50,755 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1618) no Hoare annotation was computed. [2022-12-14 16:08:50,755 INFO L895 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: false [2022-12-14 16:08:50,755 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: false [2022-12-14 16:08:50,755 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-12-14 16:08:50,755 INFO L899 garLoopResultBuilder]: For program point L1618-1(line 1618) no Hoare annotation was computed. [2022-12-14 16:08:50,755 INFO L899 garLoopResultBuilder]: For program point L1635(line 1635) no Hoare annotation was computed. [2022-12-14 16:08:50,755 INFO L899 garLoopResultBuilder]: For program point L1602(lines 1602 1622) no Hoare annotation was computed. [2022-12-14 16:08:50,755 INFO L899 garLoopResultBuilder]: For program point L1635-1(line 1635) no Hoare annotation was computed. [2022-12-14 16:08:50,756 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822) (= ~STATIC_CONST_TRUE~0 0) (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-12-14 16:08:50,756 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 16:08:50,756 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1618) no Hoare annotation was computed. [2022-12-14 16:08:50,756 INFO L899 garLoopResultBuilder]: For program point L1627-2(lines 1624 1639) no Hoare annotation was computed. [2022-12-14 16:08:50,756 INFO L902 garLoopResultBuilder]: At program point L1652(line 1652) the Hoare annotation is: true [2022-12-14 16:08:50,756 INFO L895 garLoopResultBuilder]: At program point L1619(line 1619) the Hoare annotation is: (and (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) (= 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|) (not (= ~STATIC_CONST_TRUE~0 0)) (= ~STATIC_CONST_FALSE~0 0) (= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-14 16:08:50,756 INFO L902 garLoopResultBuilder]: At program point L1652-1(line 1652) the Hoare annotation is: true [2022-12-14 16:08:50,756 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1601) no Hoare annotation was computed. [2022-12-14 16:08:50,757 INFO L902 garLoopResultBuilder]: At program point L1636(line 1636) the Hoare annotation is: true [2022-12-14 16:08:50,757 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1592) no Hoare annotation was computed. [2022-12-14 16:08:50,757 INFO L899 garLoopResultBuilder]: For program point L1554-2(lines 1551 1577) no Hoare annotation was computed. [2022-12-14 16:08:50,757 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1635) no Hoare annotation was computed. [2022-12-14 16:08:50,760 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:08:50,762 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 16:08:50,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:08:50 BoogieIcfgContainer [2022-12-14 16:08:50,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 16:08:50,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:08:50,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:08:50,771 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:08:50,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:08:49" (3/4) ... [2022-12-14 16:08:50,775 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 16:08:50,780 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 16:08:50,780 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 16:08:50,785 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-14 16:08:50,785 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 16:08:50,785 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 16:08:50,785 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 16:08:50,822 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 16:08:50,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:08:50,823 INFO L158 Benchmark]: Toolchain (without parser) took 2507.41ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 88.9MB in the beginning and 75.4MB in the end (delta: 13.6MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2022-12-14 16:08:50,823 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:08:50,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 794.50ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 88.5MB in the beginning and 108.1MB in the end (delta: -19.5MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2022-12-14 16:08:50,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.24ms. Allocated memory is still 159.4MB. Free memory was 108.1MB in the beginning and 104.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 16:08:50,824 INFO L158 Benchmark]: Boogie Preprocessor took 17.95ms. Allocated memory is still 159.4MB. Free memory was 104.7MB in the beginning and 103.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:08:50,824 INFO L158 Benchmark]: RCFGBuilder took 342.43ms. Allocated memory is still 159.4MB. Free memory was 103.4MB in the beginning and 85.8MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 16:08:50,825 INFO L158 Benchmark]: TraceAbstraction took 1258.11ms. Allocated memory is still 159.4MB. Free memory was 85.0MB in the beginning and 78.5MB in the end (delta: 6.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2022-12-14 16:08:50,825 INFO L158 Benchmark]: Witness Printer took 51.17ms. Allocated memory is still 159.4MB. Free memory was 78.5MB in the beginning and 75.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:08:50,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 794.50ms. Allocated memory was 125.8MB in the beginning and 159.4MB in the end (delta: 33.6MB). Free memory was 88.5MB in the beginning and 108.1MB in the end (delta: -19.5MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.24ms. Allocated memory is still 159.4MB. Free memory was 108.1MB in the beginning and 104.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.95ms. Allocated memory is still 159.4MB. Free memory was 104.7MB in the beginning and 103.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 342.43ms. Allocated memory is still 159.4MB. Free memory was 103.4MB in the beginning and 85.8MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1258.11ms. Allocated memory is still 159.4MB. Free memory was 85.0MB in the beginning and 78.5MB in the end (delta: 6.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Witness Printer took 51.17ms. Allocated memory is still 159.4MB. Free memory was 78.5MB in the beginning and 75.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1635]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1635]: 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, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 265 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 237 mSDsluCounter, 674 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 267 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 189 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 407 mSDtfsCounter, 189 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 87 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 32 PreInvPairs, 38 NumberOfFragments, 70 HoareAnnotationTreeSize, 32 FomulaSimplifications, 14 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 50 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 20/20 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1652]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-14 16:08:50,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40910b0a-c96f-4be7-abab-0a61db7a4f19/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE