./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba --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 7573bf9ec81d23326424c85326ee27e8898b26b8dfd07dec631c068f4acff949 --- 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-b5237d8 [2022-11-22 01:15:21,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:15:21,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:15:21,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:15:21,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:15:21,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:15:21,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:15:21,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:15:21,311 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:15:21,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:15:21,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:15:21,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:15:21,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:15:21,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:15:21,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:15:21,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:15:21,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:15:21,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:15:21,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:15:21,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:15:21,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:15:21,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:15:21,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:15:21,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:15:21,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:15:21,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:15:21,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:15:21,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:15:21,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:15:21,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:15:21,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:15:21,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:15:21,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:15:21,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:15:21,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:15:21,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:15:21,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:15:21,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:15:21,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:15:21,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:15:21,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:15:21,389 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 01:15:21,435 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:15:21,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:15:21,436 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:15:21,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:15:21,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:15:21,438 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:15:21,438 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:15:21,439 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:15:21,439 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:15:21,439 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:15:21,440 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:15:21,441 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:15:21,441 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:15:21,441 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:15:21,442 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:15:21,442 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:15:21,442 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:15:21,442 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:15:21,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:15:21,444 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:15:21,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:15:21,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:15:21,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:15:21,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:15:21,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:15:21,445 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:15:21,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:15:21,446 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:15:21,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:15:21,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:15:21,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:15:21,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:15:21,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:15:21,447 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:15:21,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:15:21,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:15:21,448 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:15:21,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:15:21,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:15:21,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:15:21,449 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_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7573bf9ec81d23326424c85326ee27e8898b26b8dfd07dec631c068f4acff949 [2022-11-22 01:15:21,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:15:21,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:15:21,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:15:21,815 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:15:21,816 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:15:21,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_12_good.i [2022-11-22 01:15:25,485 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:15:25,939 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:15:25,940 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_12_good.i [2022-11-22 01:15:25,979 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba/data/f9e0e561e/475264ac8c89417abd3bb68a692d884d/FLAG4afbff14f [2022-11-22 01:15:26,086 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba/data/f9e0e561e/475264ac8c89417abd3bb68a692d884d [2022-11-22 01:15:26,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:15:26,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:15:26,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:15:26,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:15:26,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:15:26,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:15:26" (1/1) ... [2022-11-22 01:15:26,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e28e552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:26, skipping insertion in model container [2022-11-22 01:15:26,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:15:26" (1/1) ... [2022-11-22 01:15:26,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:15:26,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:15:26,709 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 01:15:27,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:15:27,362 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:15:27,388 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 01:15:27,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:15:27,733 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:15:27,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:27 WrapperNode [2022-11-22 01:15:27,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:15:27,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:15:27,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:15:27,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:15:27,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:27" (1/1) ... [2022-11-22 01:15:27,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:27" (1/1) ... [2022-11-22 01:15:27,826 INFO L138 Inliner]: procedures = 501, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 127 [2022-11-22 01:15:27,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:15:27,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:15:27,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:15:27,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:15:27,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:27" (1/1) ... [2022-11-22 01:15:27,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:27" (1/1) ... [2022-11-22 01:15:27,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:27" (1/1) ... [2022-11-22 01:15:27,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:27" (1/1) ... [2022-11-22 01:15:27,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:27" (1/1) ... [2022-11-22 01:15:27,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:27" (1/1) ... [2022-11-22 01:15:27,884 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:27" (1/1) ... [2022-11-22 01:15:27,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:27" (1/1) ... [2022-11-22 01:15:27,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:15:27,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:15:27,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:15:27,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:15:27,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:27" (1/1) ... [2022-11-22 01:15:27,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:15:27,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:15:27,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:15:27,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:15:28,033 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-22 01:15:28,034 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-22 01:15:28,034 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-22 01:15:28,034 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-22 01:15:28,034 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-22 01:15:28,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-22 01:15:28,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:15:28,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:15:28,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:15:28,035 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-22 01:15:28,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:15:28,270 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:15:28,289 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:15:28,654 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:15:28,813 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:15:28,814 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:15:28,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:15:28 BoogieIcfgContainer [2022-11-22 01:15:28,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:15:28,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:15:28,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:15:28,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:15:28,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:15:26" (1/3) ... [2022-11-22 01:15:28,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49456bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:15:28, skipping insertion in model container [2022-11-22 01:15:28,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:15:27" (2/3) ... [2022-11-22 01:15:28,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49456bb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:15:28, skipping insertion in model container [2022-11-22 01:15:28,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:15:28" (3/3) ... [2022-11-22 01:15:28,829 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_12_good.i [2022-11-22 01:15:28,853 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:15:28,853 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-22 01:15:28,917 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:15:28,933 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;@23c1d18b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:15:28,934 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-22 01:15:28,939 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 24 states have (on average 1.5) internal successors, (36), 36 states have internal predecessors, (36), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-22 01:15:28,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 01:15:28,952 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:28,956 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:28,957 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:15:28,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:28,966 INFO L85 PathProgramCache]: Analyzing trace with hash -414459585, now seen corresponding path program 1 times [2022-11-22 01:15:28,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:15:28,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092655064] [2022-11-22 01:15:28,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:28,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:15:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:29,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:15:29,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:15:29,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092655064] [2022-11-22 01:15:29,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092655064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:29,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:29,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:15:29,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496104190] [2022-11-22 01:15:29,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:29,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:15:29,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:15:29,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:15:29,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:15:29,675 INFO L87 Difference]: Start difference. First operand has 48 states, 24 states have (on average 1.5) internal successors, (36), 36 states have internal predecessors, (36), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 01:15:29,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:29,783 INFO L93 Difference]: Finished difference Result 48 states and 60 transitions. [2022-11-22 01:15:29,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:15:29,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2022-11-22 01:15:29,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:29,801 INFO L225 Difference]: With dead ends: 48 [2022-11-22 01:15:29,801 INFO L226 Difference]: Without dead ends: 41 [2022-11-22 01:15:29,805 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 [2022-11-22 01:15:29,810 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 2 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:29,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 94 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:15:29,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-22 01:15:29,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-22 01:15:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 31 states have internal predecessors, (31), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-22 01:15:29,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2022-11-22 01:15:29,869 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 16 [2022-11-22 01:15:29,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:29,871 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2022-11-22 01:15:29,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 01:15:29,874 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2022-11-22 01:15:29,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 01:15:29,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:29,880 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:29,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:15:29,881 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)] === [2022-11-22 01:15:29,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:29,884 INFO L85 PathProgramCache]: Analyzing trace with hash -414473487, now seen corresponding path program 1 times [2022-11-22 01:15:29,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:15:29,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688667199] [2022-11-22 01:15:29,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:29,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:15:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:15:30,185 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:15:30,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688667199] [2022-11-22 01:15:30,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688667199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:30,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:30,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:15:30,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675086152] [2022-11-22 01:15:30,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:30,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:15:30,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:15:30,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:15:30,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:15:30,190 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 01:15:30,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:30,249 INFO L93 Difference]: Finished difference Result 41 states and 49 transitions. [2022-11-22 01:15:30,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:15:30,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2022-11-22 01:15:30,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:30,253 INFO L225 Difference]: With dead ends: 41 [2022-11-22 01:15:30,254 INFO L226 Difference]: Without dead ends: 40 [2022-11-22 01:15:30,262 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 [2022-11-22 01:15:30,264 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 2 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:30,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 76 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:15:30,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-22 01:15:30,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-22 01:15:30,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 30 states have internal predecessors, (30), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-22 01:15:30,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2022-11-22 01:15:30,280 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 16 [2022-11-22 01:15:30,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:30,280 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2022-11-22 01:15:30,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 01:15:30,281 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2022-11-22 01:15:30,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 01:15:30,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:30,282 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:30,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:15:30,285 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:15:30,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:30,286 INFO L85 PathProgramCache]: Analyzing trace with hash 36654847, now seen corresponding path program 1 times [2022-11-22 01:15:30,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:15:30,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418870350] [2022-11-22 01:15:30,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:30,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:15:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:30,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:15:30,868 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:15:30,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418870350] [2022-11-22 01:15:30,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418870350] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:30,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:30,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:15:30,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342864151] [2022-11-22 01:15:30,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:30,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:15:30,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:15:30,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:15:30,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:15:30,872 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-22 01:15:30,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:30,936 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2022-11-22 01:15:30,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:15:30,937 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 17 [2022-11-22 01:15:30,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:30,938 INFO L225 Difference]: With dead ends: 40 [2022-11-22 01:15:30,939 INFO L226 Difference]: Without dead ends: 39 [2022-11-22 01:15:30,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:15:30,941 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 19 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:30,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 79 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:15:30,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-22 01:15:30,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-22 01:15:30,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 29 states have internal predecessors, (29), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-22 01:15:30,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2022-11-22 01:15:30,951 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 17 [2022-11-22 01:15:30,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:30,952 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2022-11-22 01:15:30,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-22 01:15:30,952 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2022-11-22 01:15:30,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 01:15:30,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:30,953 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:30,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:15:30,954 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:15:30,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:30,955 INFO L85 PathProgramCache]: Analyzing trace with hash 36223871, now seen corresponding path program 1 times [2022-11-22 01:15:30,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:15:30,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567945183] [2022-11-22 01:15:30,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:30,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:15:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:31,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:15:31,343 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:15:31,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567945183] [2022-11-22 01:15:31,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567945183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:31,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:31,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:15:31,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370297933] [2022-11-22 01:15:31,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:31,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:15:31,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:15:31,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:15:31,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:15:31,350 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-22 01:15:31,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:31,456 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2022-11-22 01:15:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:15:31,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 17 [2022-11-22 01:15:31,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:31,458 INFO L225 Difference]: With dead ends: 39 [2022-11-22 01:15:31,458 INFO L226 Difference]: Without dead ends: 38 [2022-11-22 01:15:31,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:15:31,460 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 18 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:31,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 77 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:15:31,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-22 01:15:31,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-22 01:15:31,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 28 states have internal predecessors, (28), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-22 01:15:31,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2022-11-22 01:15:31,478 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 17 [2022-11-22 01:15:31,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:31,479 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2022-11-22 01:15:31,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-22 01:15:31,480 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-22 01:15:31,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-22 01:15:31,482 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:31,483 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:31,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:15:31,483 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:15:31,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:31,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1510193876, now seen corresponding path program 1 times [2022-11-22 01:15:31,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:15:31,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998454261] [2022-11-22 01:15:31,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:31,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:15:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-22 01:15:31,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:15:31,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998454261] [2022-11-22 01:15:31,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998454261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:31,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:31,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:15:31,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128835962] [2022-11-22 01:15:31,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:31,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:15:31,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:15:31,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:15:31,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:15:31,683 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-22 01:15:31,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:31,749 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2022-11-22 01:15:31,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:15:31,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 29 [2022-11-22 01:15:31,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:31,758 INFO L225 Difference]: With dead ends: 38 [2022-11-22 01:15:31,758 INFO L226 Difference]: Without dead ends: 34 [2022-11-22 01:15:31,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:15:31,765 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 7 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:31,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 98 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:15:31,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-22 01:15:31,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-11-22 01:15:31,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 20 states have (on average 1.2) internal successors, (24), 24 states have internal predecessors, (24), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-22 01:15:31,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2022-11-22 01:15:31,779 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 29 [2022-11-22 01:15:31,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:31,779 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-11-22 01:15:31,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-22 01:15:31,780 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2022-11-22 01:15:31,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-22 01:15:31,781 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:15:31,781 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:15:31,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:15:31,782 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:15:31,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:15:31,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1510193652, now seen corresponding path program 1 times [2022-11-22 01:15:31,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:15:31,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121282995] [2022-11-22 01:15:31,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:15:31,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:15:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:15:31,927 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-22 01:15:31,928 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:15:31,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121282995] [2022-11-22 01:15:31,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121282995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:15:31,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:15:31,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:15:31,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640375945] [2022-11-22 01:15:31,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:15:31,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:15:31,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:15:31,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:15:31,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:15:31,930 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-22 01:15:31,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:15:31,978 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2022-11-22 01:15:31,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:15:31,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 29 [2022-11-22 01:15:31,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:15:31,979 INFO L225 Difference]: With dead ends: 34 [2022-11-22 01:15:31,979 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:15:31,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:15:31,981 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 3 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:15:31,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 92 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:15:31,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:15:31,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:15:31,983 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) [2022-11-22 01:15:31,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:15:31,984 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2022-11-22 01:15:31,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:15:31,984 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:15:31,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-22 01:15:31,985 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:15:31,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:15:31,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-22 01:15:31,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-22 01:15:31,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-22 01:15:31,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-22 01:15:31,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-22 01:15:31,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-22 01:15:31,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-22 01:15:31,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-22 01:15:31,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:15:31,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 01:15:32,031 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-22 01:15:32,032 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-22 01:15:32,032 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseEXIT(lines 1518 1521) no Hoare annotation was computed. [2022-11-22 01:15:32,032 INFO L902 garLoopResultBuilder]: At program point globalReturnsTrueOrFalseENTRY(lines 1518 1521) the Hoare annotation is: true [2022-11-22 01:15:32,032 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-22 01:15:32,032 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-22 01:15:32,033 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1577) no Hoare annotation was computed. [2022-11-22 01:15:32,033 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2022-11-22 01:15:32,033 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-11-22 01:15:32,033 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 01:15:32,033 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1602) no Hoare annotation was computed. [2022-11-22 01:15:32,034 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-22 01:15:32,034 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2022-11-22 01:15:32,034 INFO L902 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: true [2022-11-22 01:15:32,034 INFO L902 garLoopResultBuilder]: At program point L1626-1(line 1626) the Hoare annotation is: true [2022-11-22 01:15:32,034 INFO L899 garLoopResultBuilder]: For program point L1560(line 1560) no Hoare annotation was computed. [2022-11-22 01:15:32,035 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 1560 1585) no Hoare annotation was computed. [2022-11-22 01:15:32,035 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-22 01:15:32,035 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2022-11-22 01:15:32,035 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1559) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-22 01:15:32,035 INFO L899 garLoopResultBuilder]: For program point L1610(line 1610) no Hoare annotation was computed. [2022-11-22 01:15:32,035 INFO L899 garLoopResultBuilder]: For program point L1577(line 1577) no Hoare annotation was computed. [2022-11-22 01:15:32,036 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2022-11-22 01:15:32,036 INFO L899 garLoopResultBuilder]: For program point L1577-1(line 1577) no Hoare annotation was computed. [2022-11-22 01:15:32,036 INFO L899 garLoopResultBuilder]: For program point L1602(line 1602) no Hoare annotation was computed. [2022-11-22 01:15:32,036 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-11-22 01:15:32,036 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2022-11-22 01:15:32,036 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 01:15:32,037 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1602) no Hoare annotation was computed. [2022-11-22 01:15:32,037 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-22 01:15:32,037 INFO L899 garLoopResultBuilder]: For program point L1599(line 1599) no Hoare annotation was computed. [2022-11-22 01:15:32,037 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-22 01:15:32,037 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1577) no Hoare annotation was computed. [2022-11-22 01:15:32,038 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 1599 1614) no Hoare annotation was computed. [2022-11-22 01:15:32,038 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1571) no Hoare annotation was computed. [2022-11-22 01:15:32,038 INFO L902 garLoopResultBuilder]: At program point L1624(line 1624) the Hoare annotation is: true [2022-11-22 01:15:32,038 INFO L899 garLoopResultBuilder]: For program point L1624-1(line 1624) no Hoare annotation was computed. [2022-11-22 01:15:32,038 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-22 01:15:32,039 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2022-11-22 01:15:32,039 INFO L895 garLoopResultBuilder]: At program point L1591-4(lines 1591 1598) the Hoare annotation is: (and (= |ULTIMATE.start_goodG2B_~data~1#1| 2) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648))) [2022-11-22 01:15:32,039 INFO L895 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-22 01:15:32,039 INFO L899 garLoopResultBuilder]: For program point L1583-1(lines 1560 1585) no Hoare annotation was computed. [2022-11-22 01:15:32,039 INFO L902 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: true [2022-11-22 01:15:32,040 INFO L895 garLoopResultBuilder]: At program point L1579(line 1579) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-22 01:15:32,040 INFO L899 garLoopResultBuilder]: For program point L1612-1(lines 1587 1615) no Hoare annotation was computed. [2022-11-22 01:15:32,040 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2022-11-22 01:15:32,040 INFO L899 garLoopResultBuilder]: For program point L1575(lines 1575 1584) no Hoare annotation was computed. [2022-11-22 01:15:32,040 INFO L902 garLoopResultBuilder]: At program point L1604(line 1604) the Hoare annotation is: true [2022-11-22 01:15:32,044 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-22 01:15:32,047 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:15:32,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:15:32 BoogieIcfgContainer [2022-11-22 01:15:32,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:15:32,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:15:32,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:15:32,059 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:15:32,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:15:28" (3/4) ... [2022-11-22 01:15:32,063 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:15:32,072 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-22 01:15:32,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-11-22 01:15:32,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-22 01:15:32,082 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-22 01:15:32,083 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-22 01:15:32,083 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 01:15:32,084 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:15:32,165 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:15:32,166 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:15:32,166 INFO L158 Benchmark]: Toolchain (without parser) took 6072.89ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 104.8MB in the beginning and 56.9MB in the end (delta: 47.9MB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. [2022-11-22 01:15:32,173 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 153.1MB. Free memory was 99.8MB in the beginning and 99.6MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:15:32,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1635.45ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 104.8MB in the beginning and 162.5MB in the end (delta: -57.8MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. [2022-11-22 01:15:32,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.60ms. Allocated memory is still 211.8MB. Free memory was 162.5MB in the beginning and 158.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:15:32,174 INFO L158 Benchmark]: Boogie Preprocessor took 76.96ms. Allocated memory is still 211.8MB. Free memory was 158.3MB in the beginning and 157.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:15:32,175 INFO L158 Benchmark]: RCFGBuilder took 912.27ms. Allocated memory is still 211.8MB. Free memory was 156.2MB in the beginning and 126.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-22 01:15:32,176 INFO L158 Benchmark]: TraceAbstraction took 3236.98ms. Allocated memory is still 211.8MB. Free memory was 125.8MB in the beginning and 61.1MB in the end (delta: 64.7MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2022-11-22 01:15:32,176 INFO L158 Benchmark]: Witness Printer took 107.13ms. Allocated memory is still 211.8MB. Free memory was 61.1MB in the beginning and 56.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:15:32,179 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 153.1MB. Free memory was 99.8MB in the beginning and 99.6MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1635.45ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 104.8MB in the beginning and 162.5MB in the end (delta: -57.8MB). Peak memory consumption was 67.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.60ms. Allocated memory is still 211.8MB. Free memory was 162.5MB in the beginning and 158.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.96ms. Allocated memory is still 211.8MB. Free memory was 158.3MB in the beginning and 157.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 912.27ms. Allocated memory is still 211.8MB. Free memory was 156.2MB in the beginning and 126.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3236.98ms. Allocated memory is still 211.8MB. Free memory was 125.8MB in the beginning and 61.1MB in the end (delta: 64.7MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * Witness Printer took 107.13ms. Allocated memory is still 211.8MB. Free memory was 61.1MB in the beginning and 56.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: 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 4 procedures, 48 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 516 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 293 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 223 mSDtfsCounter, 136 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 25 PreInvPairs, 25 NumberOfFragments, 52 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 186 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 36/36 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: 1626]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-22 01:15:32,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8981fc07-0f17-453b-b0e4-a4a7c323a579/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE