./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baa2663c-d53c-418a-acbf-05ea93b879a9/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baa2663c-d53c-418a-acbf-05ea93b879a9/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_baa2663c-d53c-418a-acbf-05ea93b879a9/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baa2663c-d53c-418a-acbf-05ea93b879a9/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baa2663c-d53c-418a-acbf-05ea93b879a9/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_baa2663c-d53c-418a-acbf-05ea93b879a9/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 2860acb3594f767f23c8b085aa484a2813ce7f37f0e26dee8adf2183ec59692a --- 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 04:50:22,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 04:50:22,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 04:50:22,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 04:50:22,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 04:50:22,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 04:50:22,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 04:50:22,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 04:50:22,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 04:50:22,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 04:50:22,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 04:50:22,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 04:50:22,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 04:50:22,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 04:50:22,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 04:50:22,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 04:50:22,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 04:50:22,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 04:50:22,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 04:50:22,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 04:50:22,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 04:50:22,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 04:50:22,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 04:50:22,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 04:50:22,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 04:50:22,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 04:50:22,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 04:50:22,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 04:50:22,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 04:50:22,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 04:50:22,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 04:50:22,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 04:50:22,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 04:50:22,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 04:50:22,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 04:50:22,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 04:50:22,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 04:50:22,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 04:50:22,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 04:50:22,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 04:50:22,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 04:50:22,830 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baa2663c-d53c-418a-acbf-05ea93b879a9/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 04:50:22,850 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 04:50:22,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 04:50:22,851 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 04:50:22,851 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 04:50:22,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 04:50:22,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 04:50:22,852 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 04:50:22,852 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 04:50:22,853 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 04:50:22,853 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 04:50:22,853 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 04:50:22,853 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 04:50:22,853 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 04:50:22,853 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 04:50:22,854 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 04:50:22,854 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 04:50:22,854 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 04:50:22,854 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 04:50:22,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 04:50:22,855 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 04:50:22,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 04:50:22,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 04:50:22,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 04:50:22,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 04:50:22,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 04:50:22,855 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 04:50:22,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 04:50:22,856 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 04:50:22,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 04:50:22,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 04:50:22,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 04:50:22,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:50:22,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 04:50:22,857 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 04:50:22,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 04:50:22,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 04:50:22,857 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 04:50:22,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 04:50:22,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 04:50:22,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 04:50:22,858 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_baa2663c-d53c-418a-acbf-05ea93b879a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baa2663c-d53c-418a-acbf-05ea93b879a9/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2860acb3594f767f23c8b085aa484a2813ce7f37f0e26dee8adf2183ec59692a [2022-12-14 04:50:23,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 04:50:23,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 04:50:23,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 04:50:23,041 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 04:50:23,042 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 04:50:23,043 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baa2663c-d53c-418a-acbf-05ea93b879a9/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_04_good.i [2022-12-14 04:50:25,700 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 04:50:25,967 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 04:50:25,968 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baa2663c-d53c-418a-acbf-05ea93b879a9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_04_good.i [2022-12-14 04:50:25,987 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baa2663c-d53c-418a-acbf-05ea93b879a9/bin/utaipan-gh47qXpMRh/data/3a90b1ef0/6115b36634a146faa69567c0c0f95b02/FLAG17267cc5c [2022-12-14 04:50:26,001 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baa2663c-d53c-418a-acbf-05ea93b879a9/bin/utaipan-gh47qXpMRh/data/3a90b1ef0/6115b36634a146faa69567c0c0f95b02 [2022-12-14 04:50:26,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 04:50:26,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 04:50:26,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 04:50:26,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 04:50:26,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 04:50:26,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:50:26" (1/1) ... [2022-12-14 04:50:26,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e164139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:26, skipping insertion in model container [2022-12-14 04:50:26,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:50:26" (1/1) ... [2022-12-14 04:50:26,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 04:50:26,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 04:50:26,357 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 04:50:26,662 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 04:50:26,668 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:50:26,670 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:50:26,672 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:50:26,673 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:50:26,705 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 04:50:26,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:50:26,716 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 04:50:26,735 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 04:50:26,792 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 04:50:26,793 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:50:26,794 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 04:50:26,796 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:50:26,797 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 04:50:26,803 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 04:50:26,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 04:50:26,931 INFO L208 MainTranslator]: Completed translation [2022-12-14 04:50:26,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:26 WrapperNode [2022-12-14 04:50:26,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 04:50:26,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 04:50:26,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 04:50:26,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 04:50:26,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:26" (1/1) ... [2022-12-14 04:50:26,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:26" (1/1) ... [2022-12-14 04:50:26,982 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 91 [2022-12-14 04:50:26,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 04:50:26,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 04:50:26,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 04:50:26,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 04:50:26,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:26" (1/1) ... [2022-12-14 04:50:26,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:26" (1/1) ... [2022-12-14 04:50:26,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:26" (1/1) ... [2022-12-14 04:50:26,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:26" (1/1) ... [2022-12-14 04:50:27,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:26" (1/1) ... [2022-12-14 04:50:27,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:26" (1/1) ... [2022-12-14 04:50:27,004 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:26" (1/1) ... [2022-12-14 04:50:27,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:26" (1/1) ... [2022-12-14 04:50:27,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 04:50:27,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 04:50:27,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 04:50:27,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 04:50:27,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:26" (1/1) ... [2022-12-14 04:50:27,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 04:50:27,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baa2663c-d53c-418a-acbf-05ea93b879a9/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 04:50:27,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baa2663c-d53c-418a-acbf-05ea93b879a9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 04:50:27,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baa2663c-d53c-418a-acbf-05ea93b879a9/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 04:50:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 04:50:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 04:50:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 04:50:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 04:50:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 04:50:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 04:50:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 04:50:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 04:50:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 04:50:27,172 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 04:50:27,173 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 04:50:27,301 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 04:50:27,344 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 04:50:27,344 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 04:50:27,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:50:27 BoogieIcfgContainer [2022-12-14 04:50:27,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 04:50:27,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 04:50:27,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 04:50:27,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 04:50:27,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:50:26" (1/3) ... [2022-12-14 04:50:27,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214bd827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:50:27, skipping insertion in model container [2022-12-14 04:50:27,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:50:26" (2/3) ... [2022-12-14 04:50:27,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214bd827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:50:27, skipping insertion in model container [2022-12-14 04:50:27,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:50:27" (3/3) ... [2022-12-14 04:50:27,355 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_04_good.i [2022-12-14 04:50:27,372 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 04:50:27,372 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-14 04:50:27,408 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 04:50:27,412 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;@29bc8fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 04:50:27,413 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-14 04:50:27,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 24 states have (on average 1.625) internal successors, (39), 39 states have internal predecessors, (39), 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 04:50:27,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 04:50:27,421 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:27,422 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:50:27,422 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 04:50:27,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:27,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1674404421, now seen corresponding path program 1 times [2022-12-14 04:50:27,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:50:27,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568354904] [2022-12-14 04:50:27,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:27,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:50:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:50:27,633 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 04:50:27,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:50:27,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568354904] [2022-12-14 04:50:27,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568354904] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:50:27,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:50:27,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:50:27,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968627857] [2022-12-14 04:50:27,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:50:27,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:50:27,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:50:27,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:50:27,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:50:27,666 INFO L87 Difference]: Start difference. First operand has 45 states, 24 states have (on average 1.625) internal successors, (39), 39 states have internal predecessors, (39), 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 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 04:50:27,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:27,706 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2022-12-14 04:50:27,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:50:27,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 8 [2022-12-14 04:50:27,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:27,713 INFO L225 Difference]: With dead ends: 45 [2022-12-14 04:50:27,714 INFO L226 Difference]: Without dead ends: 39 [2022-12-14 04:50:27,716 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 04:50:27,718 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 2 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:50:27,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 92 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:50:27,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-12-14 04:50:27,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-12-14 04:50:27,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 34 states have internal predecessors, (34), 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 04:50:27,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2022-12-14 04:50:27,754 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 8 [2022-12-14 04:50:27,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:27,755 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2022-12-14 04:50:27,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 04:50:27,755 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2022-12-14 04:50:27,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 04:50:27,756 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:27,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:50:27,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 04:50:27,756 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 04:50:27,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:27,757 INFO L85 PathProgramCache]: Analyzing trace with hash -366929436, now seen corresponding path program 1 times [2022-12-14 04:50:27,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:50:27,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820211430] [2022-12-14 04:50:27,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:27,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:50:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:50:27,859 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 04:50:27,859 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:50:27,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820211430] [2022-12-14 04:50:27,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820211430] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:50:27,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:50:27,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:50:27,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048088362] [2022-12-14 04:50:27,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:50:27,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:50:27,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:50:27,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:50:27,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:50:27,861 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 04:50:27,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:27,910 INFO L93 Difference]: Finished difference Result 67 states and 83 transitions. [2022-12-14 04:50:27,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:50:27,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 04:50:27,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:27,911 INFO L225 Difference]: With dead ends: 67 [2022-12-14 04:50:27,911 INFO L226 Difference]: Without dead ends: 35 [2022-12-14 04:50:27,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 04:50:27,913 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 57 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:50:27,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 34 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:50:27,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-14 04:50:27,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-12-14 04:50:27,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 20 states have (on average 1.4) internal successors, (28), 28 states have internal predecessors, (28), 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 04:50:27,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2022-12-14 04:50:27,921 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 9 [2022-12-14 04:50:27,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:27,921 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2022-12-14 04:50:27,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 04:50:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-12-14 04:50:27,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 04:50:27,922 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:27,922 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:50:27,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 04:50:27,922 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 04:50:27,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:27,923 INFO L85 PathProgramCache]: Analyzing trace with hash -741279864, now seen corresponding path program 1 times [2022-12-14 04:50:27,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:50:27,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546447123] [2022-12-14 04:50:27,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:27,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:50:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:50:27,963 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 04:50:27,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:50:27,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546447123] [2022-12-14 04:50:27,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546447123] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:50:27,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:50:27,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:50:27,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912702344] [2022-12-14 04:50:27,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:50:27,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:50:27,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:50:27,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:50:27,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:50:27,965 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 04:50:27,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:27,985 INFO L93 Difference]: Finished difference Result 62 states and 71 transitions. [2022-12-14 04:50:27,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:50:27,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 13 [2022-12-14 04:50:27,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:27,986 INFO L225 Difference]: With dead ends: 62 [2022-12-14 04:50:27,986 INFO L226 Difference]: Without dead ends: 33 [2022-12-14 04:50:27,986 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 04:50:27,988 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 33 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 28 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 04:50:27,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 28 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:50:27,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-14 04:50:27,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-12-14 04:50:27,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 20 states have (on average 1.3) internal successors, (26), 26 states have internal predecessors, (26), 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 04:50:27,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2022-12-14 04:50:27,994 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 13 [2022-12-14 04:50:27,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:27,994 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2022-12-14 04:50:27,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 04:50:27,995 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2022-12-14 04:50:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 04:50:27,995 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:27,995 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:50:27,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 04:50:27,996 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 04:50:27,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:27,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1592627453, now seen corresponding path program 1 times [2022-12-14 04:50:27,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:50:27,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272299478] [2022-12-14 04:50:27,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:27,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:50:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:50:28,032 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 04:50:28,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:50:28,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272299478] [2022-12-14 04:50:28,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272299478] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:50:28,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:50:28,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:50:28,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044242580] [2022-12-14 04:50:28,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:50:28,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:50:28,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:50:28,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:50:28,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:50:28,034 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 04:50:28,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:28,056 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2022-12-14 04:50:28,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:50:28,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 14 [2022-12-14 04:50:28,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:28,057 INFO L225 Difference]: With dead ends: 33 [2022-12-14 04:50:28,057 INFO L226 Difference]: Without dead ends: 32 [2022-12-14 04:50:28,058 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 04:50:28,059 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:50:28,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 50 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:50:28,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-12-14 04:50:28,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-12-14 04:50:28,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 20 states have (on average 1.25) internal successors, (25), 25 states have internal predecessors, (25), 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 04:50:28,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2022-12-14 04:50:28,065 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 14 [2022-12-14 04:50:28,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:28,065 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2022-12-14 04:50:28,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 04:50:28,065 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-12-14 04:50:28,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 04:50:28,066 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:28,066 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:50:28,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 04:50:28,066 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 04:50:28,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:28,067 INFO L85 PathProgramCache]: Analyzing trace with hash 2126810872, now seen corresponding path program 1 times [2022-12-14 04:50:28,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:50:28,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813723415] [2022-12-14 04:50:28,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:28,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:50:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:50:28,128 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 04:50:28,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:50:28,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813723415] [2022-12-14 04:50:28,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813723415] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:50:28,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:50:28,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 04:50:28,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016346400] [2022-12-14 04:50:28,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:50:28,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:50:28,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:50:28,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:50:28,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:50:28,130 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 04:50:28,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:28,150 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2022-12-14 04:50:28,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:50:28,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 15 [2022-12-14 04:50:28,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:28,151 INFO L225 Difference]: With dead ends: 48 [2022-12-14 04:50:28,151 INFO L226 Difference]: Without dead ends: 28 [2022-12-14 04:50:28,151 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 04:50:28,152 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 13 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:50:28,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 37 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:50:28,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-12-14 04:50:28,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-12-14 04:50:28,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 21 states have internal predecessors, (21), 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 04:50:28,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2022-12-14 04:50:28,158 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 15 [2022-12-14 04:50:28,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:28,158 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2022-12-14 04:50:28,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 04:50:28,159 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2022-12-14 04:50:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 04:50:28,159 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:28,159 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:50:28,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 04:50:28,160 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 04:50:28,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:28,160 INFO L85 PathProgramCache]: Analyzing trace with hash 598330702, now seen corresponding path program 1 times [2022-12-14 04:50:28,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:50:28,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983614245] [2022-12-14 04:50:28,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:28,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:50:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:50:28,194 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 04:50:28,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:50:28,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983614245] [2022-12-14 04:50:28,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983614245] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:50:28,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:50:28,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:50:28,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209378917] [2022-12-14 04:50:28,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:50:28,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:50:28,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:50:28,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:50:28,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:50:28,196 INFO L87 Difference]: Start difference. First operand 28 states and 29 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 04:50:28,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:28,214 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2022-12-14 04:50:28,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:50:28,214 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2022-12-14 04:50:28,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:28,215 INFO L225 Difference]: With dead ends: 28 [2022-12-14 04:50:28,215 INFO L226 Difference]: Without dead ends: 27 [2022-12-14 04:50:28,216 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 04:50:28,217 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 35 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 04:50:28,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 35 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:50:28,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-12-14 04:50:28,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-12-14 04:50:28,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 20 states have internal predecessors, (20), 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 04:50:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2022-12-14 04:50:28,220 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 20 [2022-12-14 04:50:28,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:28,221 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2022-12-14 04:50:28,221 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 04:50:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2022-12-14 04:50:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 04:50:28,221 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:28,222 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:50:28,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 04:50:28,222 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 04:50:28,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:28,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1368382686, now seen corresponding path program 1 times [2022-12-14 04:50:28,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:50:28,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565587246] [2022-12-14 04:50:28,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:28,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:50:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:50:28,248 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 04:50:28,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:50:28,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565587246] [2022-12-14 04:50:28,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565587246] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:50:28,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:50:28,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 04:50:28,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392207977] [2022-12-14 04:50:28,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:50:28,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 04:50:28,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:50:28,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 04:50:28,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 04:50:28,255 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 04:50:28,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:28,271 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2022-12-14 04:50:28,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 04:50:28,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2022-12-14 04:50:28,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:28,272 INFO L225 Difference]: With dead ends: 27 [2022-12-14 04:50:28,272 INFO L226 Difference]: Without dead ends: 26 [2022-12-14 04:50:28,272 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 04:50:28,273 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 5 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:50:28,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 30 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:50:28,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-14 04:50:28,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-12-14 04:50:28,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 19 states have internal predecessors, (19), 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 04:50:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2022-12-14 04:50:28,276 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 21 [2022-12-14 04:50:28,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:28,277 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2022-12-14 04:50:28,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 04:50:28,277 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2022-12-14 04:50:28,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 04:50:28,277 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:28,277 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] [2022-12-14 04:50:28,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 04:50:28,278 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 04:50:28,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:28,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1930359959, now seen corresponding path program 1 times [2022-12-14 04:50:28,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:50:28,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282896708] [2022-12-14 04:50:28,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:28,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:50:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:50:28,319 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 04:50:28,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:50:28,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282896708] [2022-12-14 04:50:28,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282896708] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:50:28,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:50:28,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:50:28,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134190860] [2022-12-14 04:50:28,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:50:28,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:50:28,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:50:28,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:50:28,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:50:28,321 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (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 04:50:28,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:28,343 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2022-12-14 04:50:28,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:50:28,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (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 27 [2022-12-14 04:50:28,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:28,344 INFO L225 Difference]: With dead ends: 26 [2022-12-14 04:50:28,344 INFO L226 Difference]: Without dead ends: 25 [2022-12-14 04:50:28,345 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 04:50:28,345 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 18 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 30 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 04:50:28,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 30 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:50:28,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-12-14 04:50:28,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-12-14 04:50:28,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.0) internal successors, (18), 18 states have internal predecessors, (18), 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 04:50:28,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2022-12-14 04:50:28,349 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 27 [2022-12-14 04:50:28,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:28,349 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-12-14 04:50:28,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (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 04:50:28,349 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2022-12-14 04:50:28,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 04:50:28,349 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 04:50:28,349 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] [2022-12-14 04:50:28,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 04:50:28,350 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-14 04:50:28,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 04:50:28,350 INFO L85 PathProgramCache]: Analyzing trace with hash -288383289, now seen corresponding path program 1 times [2022-12-14 04:50:28,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 04:50:28,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710043127] [2022-12-14 04:50:28,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 04:50:28,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 04:50:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 04:50:28,390 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 04:50:28,390 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 04:50:28,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710043127] [2022-12-14 04:50:28,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710043127] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 04:50:28,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 04:50:28,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 04:50:28,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261995728] [2022-12-14 04:50:28,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 04:50:28,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 04:50:28,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 04:50:28,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 04:50:28,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 04:50:28,392 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 04:50:28,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 04:50:28,413 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-12-14 04:50:28,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 04:50:28,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 28 [2022-12-14 04:50:28,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 04:50:28,414 INFO L225 Difference]: With dead ends: 25 [2022-12-14 04:50:28,414 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 04:50:28,414 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 04:50:28,415 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 15 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 04:50:28,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 30 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 04:50:28,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 04:50:28,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 04:50:28,416 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 04:50:28,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 04:50:28,416 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-12-14 04:50:28,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 04:50:28,416 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 04:50:28,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 04:50:28,416 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 04:50:28,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 04:50:28,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-14 04:50:28,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-14 04:50:28,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-14 04:50:28,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-14 04:50:28,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-14 04:50:28,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-14 04:50:28,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-14 04:50:28,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-14 04:50:28,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 04:50:28,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 04:50:28,460 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-14 04:50:28,461 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 04:50:28,461 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-14 04:50:28,461 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 04:50:28,461 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1588) no Hoare annotation was computed. [2022-12-14 04:50:28,461 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-12-14 04:50:28,461 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2022-12-14 04:50:28,461 INFO L895 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0)) [2022-12-14 04:50:28,461 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2022-12-14 04:50:28,461 INFO L899 garLoopResultBuilder]: For program point L1613(line 1613) no Hoare annotation was computed. [2022-12-14 04:50:28,461 INFO L899 garLoopResultBuilder]: For program point L1613-1(line 1613) no Hoare annotation was computed. [2022-12-14 04:50:28,461 INFO L899 garLoopResultBuilder]: For program point L1580-2(lines 1577 1597) no Hoare annotation was computed. [2022-12-14 04:50:28,461 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1597) no Hoare annotation was computed. [2022-12-14 04:50:28,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1630) no Hoare annotation was computed. [2022-12-14 04:50:28,462 INFO L895 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0)) [2022-12-14 04:50:28,462 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 1550 1575) no Hoare annotation was computed. [2022-12-14 04:50:28,462 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2022-12-14 04:50:28,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-12-14 04:50:28,462 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-12-14 04:50:28,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1613) no Hoare annotation was computed. [2022-12-14 04:50:28,462 INFO L899 garLoopResultBuilder]: For program point L1630-1(line 1630) no Hoare annotation was computed. [2022-12-14 04:50:28,462 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1573) no Hoare annotation was computed. [2022-12-14 04:50:28,462 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: false [2022-12-14 04:50:28,462 INFO L899 garLoopResultBuilder]: For program point L1602(lines 1602 1609) no Hoare annotation was computed. [2022-12-14 04:50:28,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-12-14 04:50:28,462 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 1599 1618) no Hoare annotation was computed. [2022-12-14 04:50:28,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 04:50:28,463 INFO L899 garLoopResultBuilder]: For program point L1598(lines 1598 1618) no Hoare annotation was computed. [2022-12-14 04:50:28,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1613) no Hoare annotation was computed. [2022-12-14 04:50:28,463 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0) (= ~STATIC_CONST_FALSE~0 0) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0)) [2022-12-14 04:50:28,463 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: false [2022-12-14 04:50:28,463 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1620 1635) no Hoare annotation was computed. [2022-12-14 04:50:28,463 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1635) no Hoare annotation was computed. [2022-12-14 04:50:28,463 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1595) no Hoare annotation was computed. [2022-12-14 04:50:28,463 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2022-12-14 04:50:28,463 INFO L895 garLoopResultBuilder]: At program point L1615(line 1615) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0) (= ~STATIC_CONST_FALSE~0 0) (<= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0)) [2022-12-14 04:50:28,463 INFO L902 garLoopResultBuilder]: At program point L1648-1(line 1648) the Hoare annotation is: true [2022-12-14 04:50:28,463 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 04:50:28,463 INFO L902 garLoopResultBuilder]: At program point L1632(line 1632) the Hoare annotation is: true [2022-12-14 04:50:28,463 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-12-14 04:50:28,463 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1588) no Hoare annotation was computed. [2022-12-14 04:50:28,464 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2022-12-14 04:50:28,464 INFO L899 garLoopResultBuilder]: For program point L1554-2(lines 1551 1575) no Hoare annotation was computed. [2022-12-14 04:50:28,464 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1630) no Hoare annotation was computed. [2022-12-14 04:50:28,464 INFO L895 garLoopResultBuilder]: At program point L1604(line 1604) the Hoare annotation is: false [2022-12-14 04:50:28,466 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 04:50:28,468 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 04:50:28,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:50:28 BoogieIcfgContainer [2022-12-14 04:50:28,474 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 04:50:28,474 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 04:50:28,474 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 04:50:28,474 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 04:50:28,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:50:27" (3/4) ... [2022-12-14 04:50:28,477 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 04:50:28,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 04:50:28,481 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 04:50:28,485 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-14 04:50:28,485 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 04:50:28,485 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 04:50:28,485 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 04:50:28,511 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baa2663c-d53c-418a-acbf-05ea93b879a9/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 04:50:28,511 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 04:50:28,512 INFO L158 Benchmark]: Toolchain (without parser) took 2507.00ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 84.8MB in the beginning and 91.2MB in the end (delta: -6.4MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2022-12-14 04:50:28,512 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 123.7MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:50:28,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 926.11ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 84.5MB in the beginning and 101.9MB in the end (delta: -17.5MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-12-14 04:50:28,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.64ms. Allocated memory is still 172.0MB. Free memory was 101.9MB in the beginning and 98.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 04:50:28,512 INFO L158 Benchmark]: Boogie Preprocessor took 25.30ms. Allocated memory is still 172.0MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 04:50:28,513 INFO L158 Benchmark]: RCFGBuilder took 337.45ms. Allocated memory is still 172.0MB. Free memory was 96.7MB in the beginning and 80.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 04:50:28,513 INFO L158 Benchmark]: TraceAbstraction took 1124.95ms. Allocated memory is still 172.0MB. Free memory was 78.9MB in the beginning and 94.3MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 04:50:28,513 INFO L158 Benchmark]: Witness Printer took 37.20ms. Allocated memory is still 172.0MB. Free memory was 94.3MB in the beginning and 91.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 04:50:28,514 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 123.7MB. Free memory is still 66.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 926.11ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 84.5MB in the beginning and 101.9MB in the end (delta: -17.5MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.64ms. Allocated memory is still 172.0MB. Free memory was 101.9MB in the beginning and 98.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.30ms. Allocated memory is still 172.0MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 337.45ms. Allocated memory is still 172.0MB. Free memory was 96.7MB in the beginning and 80.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1124.95ms. Allocated memory is still 172.0MB. Free memory was 78.9MB in the beginning and 94.3MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.20ms. Allocated memory is still 172.0MB. Free memory was 94.3MB in the beginning and 91.2MB 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: 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, 45 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 366 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 150 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 147 IncrementalHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 216 mSDtfsCounter, 147 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 29 PreInvPairs, 31 NumberOfFragments, 67 HoareAnnotationTreeSize, 29 FomulaSimplifications, 32 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 280 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 30/30 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: 1648]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-14 04:50:28,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baa2663c-d53c-418a-acbf-05ea93b879a9/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