./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur --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 c09d8db401c76bc45399a42e4f3d779f4b1d32f8b1e8b2f4060c317b19c9f2ef --- 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-38b53e6 [2022-11-25 22:39:01,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:39:01,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:39:01,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:39:01,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:39:01,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:39:01,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:39:01,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:39:01,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:39:01,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:39:01,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:39:01,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:39:01,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:39:01,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:39:01,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:39:01,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:39:01,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:39:01,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:39:01,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:39:01,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:39:01,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:39:01,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:39:01,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:39:01,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:39:01,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:39:01,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:39:01,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:39:01,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:39:01,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:39:01,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:39:01,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:39:01,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:39:01,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:39:01,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:39:01,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:39:01,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:39:01,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:39:01,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:39:01,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:39:01,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:39:01,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:39:01,136 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 22:39:01,158 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:39:01,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:39:01,158 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:39:01,159 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:39:01,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:39:01,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:39:01,160 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:39:01,160 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:39:01,160 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:39:01,161 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:39:01,161 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:39:01,161 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:39:01,162 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:39:01,162 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:39:01,162 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:39:01,162 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:39:01,163 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:39:01,163 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:39:01,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:39:01,164 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:39:01,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:39:01,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:39:01,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:39:01,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:39:01,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:39:01,166 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:39:01,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:39:01,166 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:39:01,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:39:01,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:39:01,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:39:01,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:39:01,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:39:01,167 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:39:01,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:39:01,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:39:01,168 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:39:01,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:39:01,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:39:01,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:39:01,169 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_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c09d8db401c76bc45399a42e4f3d779f4b1d32f8b1e8b2f4060c317b19c9f2ef [2022-11-25 22:39:01,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:39:01,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:39:01,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:39:01,490 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:39:01,490 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:39:01,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_15_good.i [2022-11-25 22:39:04,482 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:39:04,894 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:39:04,895 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_15_good.i [2022-11-25 22:39:04,913 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur/data/e53178513/7c084ebeb11740dd95197ec044787bdc/FLAGa76be6e92 [2022-11-25 22:39:04,932 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur/data/e53178513/7c084ebeb11740dd95197ec044787bdc [2022-11-25 22:39:04,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:39:04,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:39:04,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:39:04,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:39:04,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:39:04,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:39:04" (1/1) ... [2022-11-25 22:39:04,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f08fb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:39:04, skipping insertion in model container [2022-11-25 22:39:04,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:39:04" (1/1) ... [2022-11-25 22:39:04,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:39:05,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:39:05,378 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:39:05,885 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:39:05,898 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:39:05,905 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:39:05,915 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:39:05,916 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:39:05,953 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 22:39:05,974 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 22:39:05,988 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:39:05,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:39:06,000 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:39:06,032 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:39:06,104 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:39:06,106 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:39:06,107 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:39:06,111 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:39:06,113 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:39:06,123 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 22:39:06,128 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 22:39:06,136 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:39:06,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:39:06,250 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:39:06,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:39:06 WrapperNode [2022-11-25 22:39:06,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:39:06,252 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:39:06,252 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:39:06,252 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:39:06,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:39:06" (1/1) ... [2022-11-25 22:39:06,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:39:06" (1/1) ... [2022-11-25 22:39:06,314 INFO L138 Inliner]: procedures = 504, calls = 97, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 179 [2022-11-25 22:39:06,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:39:06,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:39:06,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:39:06,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:39:06,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:39:06" (1/1) ... [2022-11-25 22:39:06,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:39:06" (1/1) ... [2022-11-25 22:39:06,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:39:06" (1/1) ... [2022-11-25 22:39:06,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:39:06" (1/1) ... [2022-11-25 22:39:06,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:39:06" (1/1) ... [2022-11-25 22:39:06,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:39:06" (1/1) ... [2022-11-25 22:39:06,365 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:39:06" (1/1) ... [2022-11-25 22:39:06,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:39:06" (1/1) ... [2022-11-25 22:39:06,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:39:06,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:39:06,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:39:06,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:39:06,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:39:06" (1/1) ... [2022-11-25 22:39:06,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:39:06,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:39:06,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:39:06,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:39:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 22:39:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 22:39:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-25 22:39:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:39:06,460 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:39:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:39:06,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 22:39:06,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:39:06,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:39:06,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:39:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:39:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:39:06,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:39:06,644 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:39:06,646 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:39:06,935 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:39:07,021 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:39:07,030 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:39:07,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:39:07 BoogieIcfgContainer [2022-11-25 22:39:07,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:39:07,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:39:07,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:39:07,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:39:07,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:39:04" (1/3) ... [2022-11-25 22:39:07,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487bdf7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:39:07, skipping insertion in model container [2022-11-25 22:39:07,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:39:06" (2/3) ... [2022-11-25 22:39:07,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487bdf7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:39:07, skipping insertion in model container [2022-11-25 22:39:07,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:39:07" (3/3) ... [2022-11-25 22:39:07,045 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_15_good.i [2022-11-25 22:39:07,065 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:39:07,065 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-25 22:39:07,117 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:39:07,124 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;@72985683, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:39:07,124 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-25 22:39:07,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 46 states have (on average 1.673913043478261) internal successors, (77), 70 states have internal predecessors, (77), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 12 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-25 22:39:07,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 22:39:07,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:07,138 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:07,138 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)] === [2022-11-25 22:39:07,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:07,144 INFO L85 PathProgramCache]: Analyzing trace with hash 401659959, now seen corresponding path program 1 times [2022-11-25 22:39:07,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:07,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332346874] [2022-11-25 22:39:07,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:07,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:07,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:39:07,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:07,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332346874] [2022-11-25 22:39:07,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332346874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:07,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:07,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:39:07,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914918883] [2022-11-25 22:39:07,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:07,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:07,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:07,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:07,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:07,437 INFO L87 Difference]: Start difference. First operand has 75 states, 46 states have (on average 1.673913043478261) internal successors, (77), 70 states have internal predecessors, (77), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 12 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:39:07,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:07,509 INFO L93 Difference]: Finished difference Result 141 states and 211 transitions. [2022-11-25 22:39:07,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:07,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-25 22:39:07,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:07,521 INFO L225 Difference]: With dead ends: 141 [2022-11-25 22:39:07,522 INFO L226 Difference]: Without dead ends: 66 [2022-11-25 22:39:07,525 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 [2022-11-25 22:39:07,528 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 4 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:07,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 190 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:39:07,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-11-25 22:39:07,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-11-25 22:39:07,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 62 states have internal predecessors, (67), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 22:39:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 95 transitions. [2022-11-25 22:39:07,577 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 95 transitions. Word has length 13 [2022-11-25 22:39:07,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:07,578 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 95 transitions. [2022-11-25 22:39:07,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:39:07,578 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 95 transitions. [2022-11-25 22:39:07,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 22:39:07,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:07,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:07,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:39:07,581 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:39:07,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:07,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1180205511, now seen corresponding path program 1 times [2022-11-25 22:39:07,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:07,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937253623] [2022-11-25 22:39:07,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:07,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:07,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:39:07,716 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:07,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937253623] [2022-11-25 22:39:07,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937253623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:07,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:07,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:39:07,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473036654] [2022-11-25 22:39:07,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:07,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:07,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:07,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:07,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:07,720 INFO L87 Difference]: Start difference. First operand 66 states and 95 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:39:07,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:07,793 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2022-11-25 22:39:07,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:07,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-25 22:39:07,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:07,810 INFO L225 Difference]: With dead ends: 109 [2022-11-25 22:39:07,810 INFO L226 Difference]: Without dead ends: 108 [2022-11-25 22:39:07,810 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 [2022-11-25 22:39:07,812 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 50 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:07,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 227 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:39:07,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-11-25 22:39:07,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 65. [2022-11-25 22:39:07,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 42 states have (on average 1.5714285714285714) internal successors, (66), 61 states have internal predecessors, (66), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 22:39:07,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 94 transitions. [2022-11-25 22:39:07,834 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 94 transitions. Word has length 14 [2022-11-25 22:39:07,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:07,834 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 94 transitions. [2022-11-25 22:39:07,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:39:07,835 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 94 transitions. [2022-11-25 22:39:07,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 22:39:07,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:07,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:07,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:39:07,836 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:39:07,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:07,837 INFO L85 PathProgramCache]: Analyzing trace with hash 2068334907, now seen corresponding path program 1 times [2022-11-25 22:39:07,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:07,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300761189] [2022-11-25 22:39:07,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:07,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:39:08,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:08,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300761189] [2022-11-25 22:39:08,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300761189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:08,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:08,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:39:08,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021466110] [2022-11-25 22:39:08,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:08,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:08,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:08,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:08,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:08,022 INFO L87 Difference]: Start difference. First operand 65 states and 94 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, (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) [2022-11-25 22:39:08,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:08,137 INFO L93 Difference]: Finished difference Result 163 states and 238 transitions. [2022-11-25 22:39:08,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:08,144 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-25 22:39:08,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:08,146 INFO L225 Difference]: With dead ends: 163 [2022-11-25 22:39:08,146 INFO L226 Difference]: Without dead ends: 114 [2022-11-25 22:39:08,147 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 [2022-11-25 22:39:08,148 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 56 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:08,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 236 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:39:08,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-11-25 22:39:08,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 70. [2022-11-25 22:39:08,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 65 states have internal predecessors, (74), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 22:39:08,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 102 transitions. [2022-11-25 22:39:08,172 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 102 transitions. Word has length 15 [2022-11-25 22:39:08,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:08,172 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 102 transitions. [2022-11-25 22:39:08,172 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, (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) [2022-11-25 22:39:08,173 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2022-11-25 22:39:08,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 22:39:08,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:08,174 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:08,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:39:08,174 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)] === [2022-11-25 22:39:08,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:08,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1705042708, now seen corresponding path program 1 times [2022-11-25 22:39:08,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:08,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705886980] [2022-11-25 22:39:08,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:08,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:08,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:39:08,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:08,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705886980] [2022-11-25 22:39:08,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705886980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:08,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:08,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:39:08,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782980587] [2022-11-25 22:39:08,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:08,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:08,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:08,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:08,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:08,283 INFO L87 Difference]: Start difference. First operand 70 states and 102 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:39:08,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:08,315 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2022-11-25 22:39:08,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:08,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-11-25 22:39:08,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:08,317 INFO L225 Difference]: With dead ends: 117 [2022-11-25 22:39:08,317 INFO L226 Difference]: Without dead ends: 70 [2022-11-25 22:39:08,318 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 [2022-11-25 22:39:08,319 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 7 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 155 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 [2022-11-25 22:39:08,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 155 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:39:08,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-25 22:39:08,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-25 22:39:08,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 48 states have (on average 1.5) internal successors, (72), 65 states have internal predecessors, (72), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 22:39:08,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 100 transitions. [2022-11-25 22:39:08,330 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 100 transitions. Word has length 19 [2022-11-25 22:39:08,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:08,330 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 100 transitions. [2022-11-25 22:39:08,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:39:08,331 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2022-11-25 22:39:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 22:39:08,332 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:08,332 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:08,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:39:08,333 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:39:08,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:08,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1782917861, now seen corresponding path program 1 times [2022-11-25 22:39:08,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:08,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220490502] [2022-11-25 22:39:08,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:08,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:08,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 22:39:08,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:08,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220490502] [2022-11-25 22:39:08,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220490502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:08,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:08,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:39:08,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871630919] [2022-11-25 22:39:08,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:08,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:08,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:08,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:08,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:08,422 INFO L87 Difference]: Start difference. First operand 70 states and 100 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-25 22:39:08,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:08,462 INFO L93 Difference]: Finished difference Result 117 states and 166 transitions. [2022-11-25 22:39:08,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:08,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 21 [2022-11-25 22:39:08,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:08,464 INFO L225 Difference]: With dead ends: 117 [2022-11-25 22:39:08,467 INFO L226 Difference]: Without dead ends: 69 [2022-11-25 22:39:08,468 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 [2022-11-25 22:39:08,470 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:08,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:39:08,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-25 22:39:08,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-11-25 22:39:08,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 64 states have internal predecessors, (70), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 22:39:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2022-11-25 22:39:08,494 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 21 [2022-11-25 22:39:08,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:08,495 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2022-11-25 22:39:08,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2022-11-25 22:39:08,495 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2022-11-25 22:39:08,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 22:39:08,496 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:08,497 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:08,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:39:08,497 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:39:08,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:08,498 INFO L85 PathProgramCache]: Analyzing trace with hash 695900871, now seen corresponding path program 1 times [2022-11-25 22:39:08,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:08,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002315912] [2022-11-25 22:39:08,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:08,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:08,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:39:08,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:08,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002315912] [2022-11-25 22:39:08,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002315912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:08,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:08,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:39:08,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113232506] [2022-11-25 22:39:08,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:08,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:08,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:08,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:08,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:08,623 INFO L87 Difference]: Start difference. First operand 69 states and 96 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-11-25 22:39:08,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:08,655 INFO L93 Difference]: Finished difference Result 109 states and 150 transitions. [2022-11-25 22:39:08,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:08,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 20 [2022-11-25 22:39:08,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:08,660 INFO L225 Difference]: With dead ends: 109 [2022-11-25 22:39:08,660 INFO L226 Difference]: Without dead ends: 67 [2022-11-25 22:39:08,660 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 [2022-11-25 22:39:08,668 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 4 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:08,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 147 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:39:08,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-25 22:39:08,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-25 22:39:08,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 47 states have (on average 1.425531914893617) internal successors, (67), 62 states have internal predecessors, (67), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 22:39:08,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 91 transitions. [2022-11-25 22:39:08,715 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 91 transitions. Word has length 20 [2022-11-25 22:39:08,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:08,717 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 91 transitions. [2022-11-25 22:39:08,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-11-25 22:39:08,718 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2022-11-25 22:39:08,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 22:39:08,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:08,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:08,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:39:08,721 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:39:08,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:08,722 INFO L85 PathProgramCache]: Analyzing trace with hash 908056129, now seen corresponding path program 1 times [2022-11-25 22:39:08,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:08,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020269505] [2022-11-25 22:39:08,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:08,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:08,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:39:08,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:08,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020269505] [2022-11-25 22:39:08,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020269505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:08,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:08,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:39:08,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525809247] [2022-11-25 22:39:08,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:08,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:08,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:08,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:08,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:08,805 INFO L87 Difference]: Start difference. First operand 67 states and 91 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-25 22:39:08,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:08,841 INFO L93 Difference]: Finished difference Result 91 states and 124 transitions. [2022-11-25 22:39:08,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:08,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 21 [2022-11-25 22:39:08,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:08,844 INFO L225 Difference]: With dead ends: 91 [2022-11-25 22:39:08,845 INFO L226 Difference]: Without dead ends: 90 [2022-11-25 22:39:08,845 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 [2022-11-25 22:39:08,849 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 29 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:08,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 171 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:39:08,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-25 22:39:08,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 66. [2022-11-25 22:39:08,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 61 states have internal predecessors, (66), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 22:39:08,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 90 transitions. [2022-11-25 22:39:08,876 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 90 transitions. Word has length 21 [2022-11-25 22:39:08,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:08,879 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 90 transitions. [2022-11-25 22:39:08,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-25 22:39:08,880 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2022-11-25 22:39:08,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 22:39:08,881 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:08,881 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:08,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 22:39:08,882 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:39:08,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:08,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1915030941, now seen corresponding path program 1 times [2022-11-25 22:39:08,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:08,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293110782] [2022-11-25 22:39:08,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:08,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:08,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:39:08,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:08,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293110782] [2022-11-25 22:39:08,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293110782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:08,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:08,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:39:08,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232198629] [2022-11-25 22:39:08,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:08,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:08,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:08,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:08,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:08,963 INFO L87 Difference]: Start difference. First operand 66 states and 90 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-25 22:39:09,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:09,007 INFO L93 Difference]: Finished difference Result 126 states and 172 transitions. [2022-11-25 22:39:09,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:09,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 22 [2022-11-25 22:39:09,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:09,010 INFO L225 Difference]: With dead ends: 126 [2022-11-25 22:39:09,010 INFO L226 Difference]: Without dead ends: 96 [2022-11-25 22:39:09,012 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 [2022-11-25 22:39:09,014 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 35 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:09,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 180 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:39:09,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-25 22:39:09,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 70. [2022-11-25 22:39:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 64 states have internal predecessors, (72), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 22:39:09,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2022-11-25 22:39:09,034 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 22 [2022-11-25 22:39:09,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:09,036 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2022-11-25 22:39:09,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-25 22:39:09,036 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2022-11-25 22:39:09,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 22:39:09,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:09,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:09,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 22:39:09,039 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:39:09,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:09,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1030547284, now seen corresponding path program 1 times [2022-11-25 22:39:09,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:09,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671955011] [2022-11-25 22:39:09,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:09,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:09,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:39:09,102 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:09,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671955011] [2022-11-25 22:39:09,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671955011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:09,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:09,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:39:09,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154693434] [2022-11-25 22:39:09,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:09,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:09,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:09,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:09,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:09,105 INFO L87 Difference]: Start difference. First operand 70 states and 96 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-11-25 22:39:09,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:09,128 INFO L93 Difference]: Finished difference Result 98 states and 131 transitions. [2022-11-25 22:39:09,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:09,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 25 [2022-11-25 22:39:09,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:09,129 INFO L225 Difference]: With dead ends: 98 [2022-11-25 22:39:09,129 INFO L226 Difference]: Without dead ends: 68 [2022-11-25 22:39:09,130 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 [2022-11-25 22:39:09,133 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 7 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:09,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 129 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:39:09,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-25 22:39:09,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-25 22:39:09,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 62 states have internal predecessors, (68), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-25 22:39:09,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 90 transitions. [2022-11-25 22:39:09,145 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 90 transitions. Word has length 25 [2022-11-25 22:39:09,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:09,146 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 90 transitions. [2022-11-25 22:39:09,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-11-25 22:39:09,146 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 90 transitions. [2022-11-25 22:39:09,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 22:39:09,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:09,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:09,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 22:39:09,151 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:39:09,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:09,152 INFO L85 PathProgramCache]: Analyzing trace with hash -924614153, now seen corresponding path program 1 times [2022-11-25 22:39:09,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:09,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066003454] [2022-11-25 22:39:09,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:09,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:09,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:39:09,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:09,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066003454] [2022-11-25 22:39:09,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066003454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:09,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:09,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:39:09,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487194028] [2022-11-25 22:39:09,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:09,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:09,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:09,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:09,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:09,225 INFO L87 Difference]: Start difference. First operand 68 states and 90 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-11-25 22:39:09,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:09,255 INFO L93 Difference]: Finished difference Result 97 states and 126 transitions. [2022-11-25 22:39:09,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:09,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 25 [2022-11-25 22:39:09,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:09,258 INFO L225 Difference]: With dead ends: 97 [2022-11-25 22:39:09,259 INFO L226 Difference]: Without dead ends: 83 [2022-11-25 22:39:09,260 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 [2022-11-25 22:39:09,261 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 19 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:09,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 130 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:39:09,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-25 22:39:09,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 70. [2022-11-25 22:39:09,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 63 states have internal predecessors, (71), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-25 22:39:09,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 93 transitions. [2022-11-25 22:39:09,269 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 93 transitions. Word has length 25 [2022-11-25 22:39:09,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:09,269 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 93 transitions. [2022-11-25 22:39:09,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2022-11-25 22:39:09,270 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2022-11-25 22:39:09,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 22:39:09,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:09,273 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:09,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 22:39:09,276 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:39:09,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:09,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1401732504, now seen corresponding path program 1 times [2022-11-25 22:39:09,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:09,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516162951] [2022-11-25 22:39:09,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:09,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:09,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:39:09,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:09,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516162951] [2022-11-25 22:39:09,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516162951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:09,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:09,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:39:09,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039858563] [2022-11-25 22:39:09,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:09,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:09,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:09,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:09,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:09,374 INFO L87 Difference]: Start difference. First operand 70 states and 93 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-25 22:39:09,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:09,402 INFO L93 Difference]: Finished difference Result 87 states and 115 transitions. [2022-11-25 22:39:09,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:09,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 26 [2022-11-25 22:39:09,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:09,403 INFO L225 Difference]: With dead ends: 87 [2022-11-25 22:39:09,404 INFO L226 Difference]: Without dead ends: 86 [2022-11-25 22:39:09,404 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 [2022-11-25 22:39:09,405 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 15 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 133 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 [2022-11-25 22:39:09,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 133 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:39:09,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-25 22:39:09,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 72. [2022-11-25 22:39:09,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 65 states have internal predecessors, (73), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-25 22:39:09,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 95 transitions. [2022-11-25 22:39:09,412 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 95 transitions. Word has length 26 [2022-11-25 22:39:09,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:09,415 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 95 transitions. [2022-11-25 22:39:09,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-25 22:39:09,415 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 95 transitions. [2022-11-25 22:39:09,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-25 22:39:09,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:09,416 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:09,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 22:39:09,417 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:39:09,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:09,417 INFO L85 PathProgramCache]: Analyzing trace with hash -849390927, now seen corresponding path program 1 times [2022-11-25 22:39:09,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:09,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900806988] [2022-11-25 22:39:09,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:09,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:09,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 22:39:09,468 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:09,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900806988] [2022-11-25 22:39:09,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900806988] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:09,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:09,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:39:09,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872172860] [2022-11-25 22:39:09,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:09,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:09,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:09,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:09,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:09,470 INFO L87 Difference]: Start difference. First operand 72 states and 95 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-25 22:39:09,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:09,491 INFO L93 Difference]: Finished difference Result 90 states and 116 transitions. [2022-11-25 22:39:09,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:09,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 29 [2022-11-25 22:39:09,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:09,493 INFO L225 Difference]: With dead ends: 90 [2022-11-25 22:39:09,493 INFO L226 Difference]: Without dead ends: 65 [2022-11-25 22:39:09,493 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 [2022-11-25 22:39:09,494 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:09,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:39:09,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-25 22:39:09,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-11-25 22:39:09,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 51 states have (on average 1.2549019607843137) internal successors, (64), 59 states have internal predecessors, (64), 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) [2022-11-25 22:39:09,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2022-11-25 22:39:09,502 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 29 [2022-11-25 22:39:09,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:09,502 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2022-11-25 22:39:09,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-25 22:39:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2022-11-25 22:39:09,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 22:39:09,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:09,505 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:09,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 22:39:09,505 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:39:09,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:09,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1608270158, now seen corresponding path program 1 times [2022-11-25 22:39:09,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:09,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047375810] [2022-11-25 22:39:09,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:09,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:09,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:39:09,562 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:09,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047375810] [2022-11-25 22:39:09,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047375810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:09,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:09,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:39:09,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419886573] [2022-11-25 22:39:09,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:09,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:09,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:09,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:09,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:09,566 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-25 22:39:09,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:09,589 INFO L93 Difference]: Finished difference Result 78 states and 98 transitions. [2022-11-25 22:39:09,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:09,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 30 [2022-11-25 22:39:09,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:09,590 INFO L225 Difference]: With dead ends: 78 [2022-11-25 22:39:09,591 INFO L226 Difference]: Without dead ends: 63 [2022-11-25 22:39:09,591 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 [2022-11-25 22:39:09,592 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 4 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:09,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 111 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:39:09,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-25 22:39:09,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-25 22:39:09,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.22) internal successors, (61), 56 states have internal predecessors, (61), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-25 22:39:09,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2022-11-25 22:39:09,597 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 30 [2022-11-25 22:39:09,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:09,597 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-11-25 22:39:09,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-25 22:39:09,597 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-11-25 22:39:09,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-25 22:39:09,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:09,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:09,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 22:39:09,599 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:39:09,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:09,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1172028233, now seen corresponding path program 1 times [2022-11-25 22:39:09,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:09,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919757861] [2022-11-25 22:39:09,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:09,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:09,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:39:09,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:09,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919757861] [2022-11-25 22:39:09,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919757861] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:09,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:09,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:39:09,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22969447] [2022-11-25 22:39:09,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:09,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:09,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:09,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:09,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:09,661 INFO L87 Difference]: Start difference. First operand 63 states and 79 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-11-25 22:39:09,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:09,683 INFO L93 Difference]: Finished difference Result 70 states and 85 transitions. [2022-11-25 22:39:09,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:09,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 35 [2022-11-25 22:39:09,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:09,685 INFO L225 Difference]: With dead ends: 70 [2022-11-25 22:39:09,685 INFO L226 Difference]: Without dead ends: 63 [2022-11-25 22:39:09,685 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 [2022-11-25 22:39:09,686 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 1 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:09,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 111 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:39:09,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-25 22:39:09,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-25 22:39:09,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.2) internal successors, (60), 56 states have internal predecessors, (60), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-25 22:39:09,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 78 transitions. [2022-11-25 22:39:09,691 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 78 transitions. Word has length 35 [2022-11-25 22:39:09,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:09,691 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 78 transitions. [2022-11-25 22:39:09,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2022-11-25 22:39:09,691 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2022-11-25 22:39:09,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-25 22:39:09,692 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:39:09,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:09,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 22:39:09,693 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 22:39:09,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:39:09,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1917817701, now seen corresponding path program 1 times [2022-11-25 22:39:09,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:39:09,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113742963] [2022-11-25 22:39:09,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:39:09,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:39:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:39:09,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:39:09,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:39:09,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113742963] [2022-11-25 22:39:09,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113742963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:39:09,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:39:09,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:39:09,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021241885] [2022-11-25 22:39:09,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:39:09,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:39:09,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:39:09,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:39:09,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:39:09,757 INFO L87 Difference]: Start difference. First operand 63 states and 78 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2022-11-25 22:39:09,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:39:09,773 INFO L93 Difference]: Finished difference Result 65 states and 79 transitions. [2022-11-25 22:39:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:39:09,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-11-25 22:39:09,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:39:09,773 INFO L225 Difference]: With dead ends: 65 [2022-11-25 22:39:09,773 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 22:39:09,774 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 [2022-11-25 22:39:09,774 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:39:09,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:39:09,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 22:39:09,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 22:39:09,775 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) [2022-11-25 22:39:09,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 22:39:09,776 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-11-25 22:39:09,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:39:09,776 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 22:39:09,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2022-11-25 22:39:09,776 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 22:39:09,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 22:39:09,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-25 22:39:09,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-25 22:39:09,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-25 22:39:09,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-25 22:39:09,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-25 22:39:09,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-25 22:39:09,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-25 22:39:09,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-25 22:39:09,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 22:39:09,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 22:39:09,878 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 22:39:09,878 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 22:39:09,878 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 22:39:09,878 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 22:39:09,879 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1622) no Hoare annotation was computed. [2022-11-25 22:39:09,879 INFO L895 garLoopResultBuilder]: At program point L1596(lines 1596 1614) the Hoare annotation is: |ULTIMATE.start_goodB2G2_#t~switch96#1| [2022-11-25 22:39:09,879 INFO L895 garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822) |ULTIMATE.start_goodB2G1_#t~switch92#1|) [2022-11-25 22:39:09,879 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 1557 1564) no Hoare annotation was computed. [2022-11-25 22:39:09,879 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-11-25 22:39:09,879 INFO L899 garLoopResultBuilder]: For program point L1654-1(line 1654) no Hoare annotation was computed. [2022-11-25 22:39:09,879 INFO L899 garLoopResultBuilder]: For program point L1679(lines 1679 1683) no Hoare annotation was computed. [2022-11-25 22:39:09,880 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1681) no Hoare annotation was computed. [2022-11-25 22:39:09,880 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1581) no Hoare annotation was computed. [2022-11-25 22:39:09,880 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 22:39:09,880 INFO L895 garLoopResultBuilder]: At program point L1655(line 1655) the Hoare annotation is: (and |ULTIMATE.start_goodG2B1_#t~switch101#1| (<= 1 |ULTIMATE.start_goodG2B1_~data~2#1|)) [2022-11-25 22:39:09,880 INFO L899 garLoopResultBuilder]: For program point L1622(line 1622) no Hoare annotation was computed. [2022-11-25 22:39:09,880 INFO L899 garLoopResultBuilder]: For program point L1622-1(line 1622) no Hoare annotation was computed. [2022-11-25 22:39:09,880 INFO L899 garLoopResultBuilder]: For program point L1581(line 1581) no Hoare annotation was computed. [2022-11-25 22:39:09,881 INFO L899 garLoopResultBuilder]: For program point L1581-1(line 1581) no Hoare annotation was computed. [2022-11-25 22:39:09,881 INFO L899 garLoopResultBuilder]: For program point L1672(line 1672) no Hoare annotation was computed. [2022-11-25 22:39:09,881 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-11-25 22:39:09,881 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1581) no Hoare annotation was computed. [2022-11-25 22:39:09,881 INFO L899 garLoopResultBuilder]: For program point L1631(line 1631) no Hoare annotation was computed. [2022-11-25 22:39:09,881 INFO L899 garLoopResultBuilder]: For program point L1598(line 1598) no Hoare annotation was computed. [2022-11-25 22:39:09,881 INFO L895 garLoopResultBuilder]: At program point L1623(line 1623) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch99#1| (<= 1 |ULTIMATE.start_goodB2G2_~data~1#1|) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 1073741822)) [2022-11-25 22:39:09,882 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1564) no Hoare annotation was computed. [2022-11-25 22:39:09,882 INFO L899 garLoopResultBuilder]: For program point L1681(line 1681) no Hoare annotation was computed. [2022-11-25 22:39:09,882 INFO L899 garLoopResultBuilder]: For program point L1681-1(line 1681) no Hoare annotation was computed. [2022-11-25 22:39:09,882 INFO L895 garLoopResultBuilder]: At program point L1615(lines 1615 1634) the Hoare annotation is: |ULTIMATE.start_goodB2G2_#t~switch99#1| [2022-11-25 22:39:09,882 INFO L895 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 1073741822) |ULTIMATE.start_goodB2G1_#t~switch95#1| (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-11-25 22:39:09,882 INFO L895 garLoopResultBuilder]: At program point L1673(line 1673) the Hoare annotation is: false [2022-11-25 22:39:09,882 INFO L895 garLoopResultBuilder]: At program point L1640(lines 1640 1648) the Hoare annotation is: (= 2 |ULTIMATE.start_goodG2B1_~data~2#1|) [2022-11-25 22:39:09,883 INFO L895 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch96#1| (<= |ULTIMATE.start_goodB2G2_~data~1#1| 1073741822)) [2022-11-25 22:39:09,883 INFO L895 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: false [2022-11-25 22:39:09,883 INFO L899 garLoopResultBuilder]: For program point L1607-1(lines 1601 1608) no Hoare annotation was computed. [2022-11-25 22:39:09,883 INFO L895 garLoopResultBuilder]: At program point L1632(line 1632) the Hoare annotation is: false [2022-11-25 22:39:09,883 INFO L902 garLoopResultBuilder]: At program point L1682(line 1682) the Hoare annotation is: true [2022-11-25 22:39:09,883 INFO L895 garLoopResultBuilder]: At program point L1649(lines 1649 1661) the Hoare annotation is: |ULTIMATE.start_goodG2B1_#t~switch101#1| [2022-11-25 22:39:09,883 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-11-25 22:39:09,883 INFO L899 garLoopResultBuilder]: For program point L1658(line 1658) no Hoare annotation was computed. [2022-11-25 22:39:09,884 INFO L899 garLoopResultBuilder]: For program point L1617(line 1617) no Hoare annotation was computed. [2022-11-25 22:39:09,884 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-11-25 22:39:09,884 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-25 22:39:09,884 INFO L902 garLoopResultBuilder]: At program point L1700(line 1700) the Hoare annotation is: true [2022-11-25 22:39:09,884 INFO L899 garLoopResultBuilder]: For program point L1700-1(line 1700) no Hoare annotation was computed. [2022-11-25 22:39:09,884 INFO L895 garLoopResultBuilder]: At program point L1667(lines 1667 1675) the Hoare annotation is: (= |ULTIMATE.start_goodG2B2_~data~3#1| 2) [2022-11-25 22:39:09,884 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1608) no Hoare annotation was computed. [2022-11-25 22:39:09,884 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2022-11-25 22:39:09,885 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1654) no Hoare annotation was computed. [2022-11-25 22:39:09,885 INFO L895 garLoopResultBuilder]: At program point L1659(line 1659) the Hoare annotation is: false [2022-11-25 22:39:09,885 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-11-25 22:39:09,885 INFO L899 garLoopResultBuilder]: For program point L1618(lines 1618 1629) no Hoare annotation was computed. [2022-11-25 22:39:09,885 INFO L895 garLoopResultBuilder]: At program point L1552(lines 1552 1570) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch92#1| [2022-11-25 22:39:09,885 INFO L902 garLoopResultBuilder]: At program point L1676(lines 1676 1688) the Hoare annotation is: true [2022-11-25 22:39:09,885 INFO L895 garLoopResultBuilder]: At program point L1643(line 1643) the Hoare annotation is: false [2022-11-25 22:39:09,886 INFO L899 garLoopResultBuilder]: For program point L1577(lines 1577 1588) no Hoare annotation was computed. [2022-11-25 22:39:09,886 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 22:39:09,886 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1654) no Hoare annotation was computed. [2022-11-25 22:39:09,886 INFO L895 garLoopResultBuilder]: At program point L1627(line 1627) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch99#1| (<= 1 |ULTIMATE.start_goodB2G2_~data~1#1|)) [2022-11-25 22:39:09,886 INFO L899 garLoopResultBuilder]: For program point L1685(line 1685) no Hoare annotation was computed. [2022-11-25 22:39:09,886 INFO L899 garLoopResultBuilder]: For program point L1652(lines 1652 1656) no Hoare annotation was computed. [2022-11-25 22:39:09,886 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch95#1| (<= 1 |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-11-25 22:39:09,887 INFO L899 garLoopResultBuilder]: For program point L1611(line 1611) no Hoare annotation was computed. [2022-11-25 22:39:09,887 INFO L902 garLoopResultBuilder]: At program point L1702(line 1702) the Hoare annotation is: true [2022-11-25 22:39:09,887 INFO L899 garLoopResultBuilder]: For program point L1669(line 1669) no Hoare annotation was computed. [2022-11-25 22:39:09,887 INFO L902 garLoopResultBuilder]: At program point L1702-1(line 1702) the Hoare annotation is: true [2022-11-25 22:39:09,887 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1622) no Hoare annotation was computed. [2022-11-25 22:39:09,887 INFO L902 garLoopResultBuilder]: At program point L1686(line 1686) the Hoare annotation is: true [2022-11-25 22:39:09,887 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1628) no Hoare annotation was computed. [2022-11-25 22:39:09,887 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2022-11-25 22:39:09,888 INFO L899 garLoopResultBuilder]: For program point L1678(line 1678) no Hoare annotation was computed. [2022-11-25 22:39:09,888 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: false [2022-11-25 22:39:09,888 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1587) no Hoare annotation was computed. [2022-11-25 22:39:09,888 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1681) no Hoare annotation was computed. [2022-11-25 22:39:09,888 INFO L895 garLoopResultBuilder]: At program point L1571(lines 1571 1590) the Hoare annotation is: |ULTIMATE.start_goodB2G1_#t~switch95#1| [2022-11-25 22:39:09,891 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:39:09,894 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:39:09,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:39:09 BoogieIcfgContainer [2022-11-25 22:39:09,908 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:39:09,909 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:39:09,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:39:09,909 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:39:09,910 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:39:07" (3/4) ... [2022-11-25 22:39:09,912 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 22:39:09,918 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 22:39:09,918 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 22:39:09,924 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-11-25 22:39:09,924 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-25 22:39:09,924 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-25 22:39:09,925 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 22:39:09,925 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 22:39:09,971 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:39:09,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:39:09,971 INFO L158 Benchmark]: Toolchain (without parser) took 5033.70ms. Allocated memory was 180.4MB in the beginning and 245.4MB in the end (delta: 65.0MB). Free memory was 143.9MB in the beginning and 191.7MB in the end (delta: -47.8MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2022-11-25 22:39:09,972 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 180.4MB. Free memory was 151.6MB in the beginning and 151.5MB in the end (delta: 90.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:39:09,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1312.00ms. Allocated memory is still 180.4MB. Free memory was 143.9MB in the beginning and 82.1MB in the end (delta: 61.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-25 22:39:09,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.84ms. Allocated memory is still 180.4MB. Free memory was 82.1MB in the beginning and 78.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:39:09,973 INFO L158 Benchmark]: Boogie Preprocessor took 53.66ms. Allocated memory is still 180.4MB. Free memory was 78.7MB in the beginning and 77.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:39:09,973 INFO L158 Benchmark]: RCFGBuilder took 665.09ms. Allocated memory was 180.4MB in the beginning and 245.4MB in the end (delta: 65.0MB). Free memory was 77.0MB in the beginning and 198.0MB in the end (delta: -121.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-11-25 22:39:09,973 INFO L158 Benchmark]: TraceAbstraction took 2871.55ms. Allocated memory is still 245.4MB. Free memory was 198.0MB in the beginning and 197.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:39:09,974 INFO L158 Benchmark]: Witness Printer took 62.13ms. Allocated memory is still 245.4MB. Free memory was 197.0MB in the beginning and 191.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 22:39:09,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 180.4MB. Free memory was 151.6MB in the beginning and 151.5MB in the end (delta: 90.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1312.00ms. Allocated memory is still 180.4MB. Free memory was 143.9MB in the beginning and 82.1MB in the end (delta: 61.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.84ms. Allocated memory is still 180.4MB. Free memory was 82.1MB in the beginning and 78.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.66ms. Allocated memory is still 180.4MB. Free memory was 78.7MB in the beginning and 77.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 665.09ms. Allocated memory was 180.4MB in the beginning and 245.4MB in the end (delta: 65.0MB). Free memory was 77.0MB in the beginning and 198.0MB in the end (delta: -121.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2871.55ms. Allocated memory is still 245.4MB. Free memory was 198.0MB in the beginning and 197.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.13ms. Allocated memory is still 245.4MB. Free memory was 197.0MB in the beginning and 191.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1654]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1654]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1681]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1681]: 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, 75 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 15, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 281 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 231 mSDsluCounter, 2300 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1024 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 286 IncrementalHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 1276 mSDtfsCounter, 286 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 164 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 109 PreInvPairs, 129 NumberOfFragments, 67 HoareAnnotationTreeSize, 109 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 351 NumberOfCodeBlocks, 351 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 374 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 4/4 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: 1596]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1571]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1640]: Loop Invariant Derived loop invariant: 2 == data - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1667]: Loop Invariant Derived loop invariant: data == 2 - InvariantResult [Line: 1702]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1649]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 1676]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1615]: Loop Invariant Derived loop invariant: NULL RESULT: Ultimate proved your program to be correct! [2022-11-25 22:39:09,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998d352a-a4dd-4f89-b1bd-f069e39dc8e4/bin/utaipan-ByfvJB40ur/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