./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/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_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/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_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/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 d41496d433204b61d1f41e33fbe14510a936b5462795bb9cc7b362cddc782854 --- 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 [2022-11-26 00:02:53,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:02:53,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:02:53,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:02:53,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:02:53,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:02:53,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:02:53,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:02:53,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:02:53,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:02:53,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:02:53,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:02:53,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:02:53,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:02:53,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:02:53,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:02:53,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:02:53,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:02:53,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:02:53,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:02:53,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:02:53,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:02:53,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:02:53,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:02:53,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:02:53,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:02:53,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:02:53,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:02:53,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:02:53,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:02:53,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:02:53,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:02:53,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:02:53,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:02:53,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:02:53,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:02:53,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:02:53,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:02:53,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:02:53,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:02:53,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:02:53,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:02:53,478 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:02:53,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:02:53,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:02:53,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:02:53,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:02:53,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:02:53,480 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:02:53,480 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:02:53,481 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:02:53,481 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:02:53,481 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:02:53,481 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:02:53,482 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:02:53,482 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:02:53,482 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:02:53,482 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:02:53,483 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:02:53,483 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:02:53,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:02:53,484 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:02:53,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:02:53,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:02:53,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:02:53,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:02:53,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:02:53,486 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:02:53,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:02:53,486 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:02:53,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:02:53,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:02:53,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:02:53,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:02:53,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:02:53,494 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:02:53,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:02:53,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:02:53,496 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:02:53,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:02:53,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:02:53,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:02:53,497 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_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d41496d433204b61d1f41e33fbe14510a936b5462795bb9cc7b362cddc782854 [2022-11-26 00:02:53,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:02:53,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:02:53,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:02:53,913 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:02:53,914 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:02:53,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_good.i [2022-11-26 00:02:57,406 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:02:57,882 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:02:57,883 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_65_good.i [2022-11-26 00:02:57,916 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/bin/utaipan-ByfvJB40ur/data/5f65561df/6706b79a0db4400bb940f9616c060ec8/FLAG14de7bcfd [2022-11-26 00:02:57,943 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/bin/utaipan-ByfvJB40ur/data/5f65561df/6706b79a0db4400bb940f9616c060ec8 [2022-11-26 00:02:57,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:02:57,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:02:57,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:02:57,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:02:57,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:02:57,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:02:57" (1/1) ... [2022-11-26 00:02:57,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15546c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:57, skipping insertion in model container [2022-11-26 00:02:57,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:02:57" (1/1) ... [2022-11-26 00:02:57,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:02:58,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:02:58,486 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:02:59,240 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:02:59,246 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:02:59,249 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:02:59,252 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:02:59,253 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:02:59,290 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:02:59,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:02:59,309 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:02:59,330 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:02:59,376 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:02:59,378 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:02:59,379 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:02:59,382 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:02:59,382 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:02:59,389 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:02:59,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:02:59,542 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:02:59,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:59 WrapperNode [2022-11-26 00:02:59,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:02:59,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:02:59,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:02:59,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:02:59,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:59" (1/1) ... [2022-11-26 00:02:59,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:59" (1/1) ... [2022-11-26 00:02:59,668 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 81 [2022-11-26 00:02:59,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:02:59,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:02:59,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:02:59,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:02:59,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:59" (1/1) ... [2022-11-26 00:02:59,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:59" (1/1) ... [2022-11-26 00:02:59,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:59" (1/1) ... [2022-11-26 00:02:59,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:59" (1/1) ... [2022-11-26 00:02:59,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:59" (1/1) ... [2022-11-26 00:02:59,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:59" (1/1) ... [2022-11-26 00:02:59,733 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:59" (1/1) ... [2022-11-26 00:02:59,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:59" (1/1) ... [2022-11-26 00:02:59,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:02:59,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:02:59,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:02:59,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:02:59,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:59" (1/1) ... [2022-11-26 00:02:59,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:02:59,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:02:59,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:02:59,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:02:59,862 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-26 00:02:59,862 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-26 00:02:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 00:02:59,863 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 00:02:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:02:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-26 00:02:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-26 00:02:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:02:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:02:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 00:02:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:03:00,072 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:03:00,075 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:03:00,367 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:03:00,456 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:03:00,457 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:03:00,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:00 BoogieIcfgContainer [2022-11-26 00:03:00,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:03:00,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:03:00,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:03:00,468 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:03:00,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:02:57" (1/3) ... [2022-11-26 00:03:00,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df69c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:03:00, skipping insertion in model container [2022-11-26 00:03:00,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:59" (2/3) ... [2022-11-26 00:03:00,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df69c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:03:00, skipping insertion in model container [2022-11-26 00:03:00,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:00" (3/3) ... [2022-11-26 00:03:00,472 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_65_good.i [2022-11-26 00:03:00,497 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:03:00,497 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-26 00:03:00,565 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:03:00,573 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;@53d9b669, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:03:00,575 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-26 00:03:00,582 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 22 states have internal predecessors, (23), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-26 00:03:00,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-26 00:03:00,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:00,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:00,595 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:03:00,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:00,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1114494552, now seen corresponding path program 1 times [2022-11-26 00:03:00,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:00,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17610096] [2022-11-26 00:03:00,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:00,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:01,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:01,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17610096] [2022-11-26 00:03:01,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17610096] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:01,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:01,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:03:01,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939012105] [2022-11-26 00:03:01,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:01,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:03:01,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:01,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:03:01,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:03:01,226 INFO L87 Difference]: Start difference. First operand has 32 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 22 states have internal predecessors, (23), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:03:01,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:01,374 INFO L93 Difference]: Finished difference Result 50 states and 59 transitions. [2022-11-26 00:03:01,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:03:01,377 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-11-26 00:03:01,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:01,388 INFO L225 Difference]: With dead ends: 50 [2022-11-26 00:03:01,388 INFO L226 Difference]: Without dead ends: 38 [2022-11-26 00:03:01,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:03:01,396 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 34 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:01,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 128 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:03:01,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-26 00:03:01,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2022-11-26 00:03:01,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 26 states have internal predecessors, (30), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:03:01,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2022-11-26 00:03:01,446 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 9 [2022-11-26 00:03:01,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:01,448 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2022-11-26 00:03:01,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:03:01,449 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-11-26 00:03:01,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-26 00:03:01,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:01,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:01,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:03:01,452 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:03:01,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:01,453 INFO L85 PathProgramCache]: Analyzing trace with hash 189592831, now seen corresponding path program 1 times [2022-11-26 00:03:01,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:01,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218069070] [2022-11-26 00:03:01,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:01,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:01,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:01,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:01,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218069070] [2022-11-26 00:03:01,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218069070] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:01,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:01,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:03:01,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558004439] [2022-11-26 00:03:01,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:01,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:03:01,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:01,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:03:01,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:03:01,609 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:03:01,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:01,737 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2022-11-26 00:03:01,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:03:01,738 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-26 00:03:01,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:01,740 INFO L225 Difference]: With dead ends: 38 [2022-11-26 00:03:01,740 INFO L226 Difference]: Without dead ends: 37 [2022-11-26 00:03:01,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:03:01,743 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 28 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:01,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 90 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:03:01,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-26 00:03:01,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2022-11-26 00:03:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 26 states have internal predecessors, (29), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:03:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2022-11-26 00:03:01,755 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 10 [2022-11-26 00:03:01,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:01,755 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2022-11-26 00:03:01,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:03:01,756 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-11-26 00:03:01,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-26 00:03:01,757 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:01,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:01,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:03:01,758 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:03:01,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:01,759 INFO L85 PathProgramCache]: Analyzing trace with hash 189577968, now seen corresponding path program 1 times [2022-11-26 00:03:01,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:01,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259735963] [2022-11-26 00:03:01,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:01,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:01,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:01,877 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:01,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259735963] [2022-11-26 00:03:01,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259735963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:01,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:01,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:03:01,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602732333] [2022-11-26 00:03:01,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:01,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:03:01,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:01,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:03:01,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:03:01,882 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:03:01,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:01,924 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2022-11-26 00:03:01,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:03:01,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-26 00:03:01,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:01,927 INFO L225 Difference]: With dead ends: 35 [2022-11-26 00:03:01,929 INFO L226 Difference]: Without dead ends: 34 [2022-11-26 00:03:01,930 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 [2022-11-26 00:03:01,931 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 2 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 46 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 [2022-11-26 00:03:01,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 46 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:03:01,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-26 00:03:01,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-11-26 00:03:01,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 25 states have internal predecessors, (27), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:03:01,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2022-11-26 00:03:01,949 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 10 [2022-11-26 00:03:01,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:01,949 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2022-11-26 00:03:01,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:03:01,950 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-11-26 00:03:01,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 00:03:01,950 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:01,951 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:01,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:03:01,951 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:03:01,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:01,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1581949787, now seen corresponding path program 1 times [2022-11-26 00:03:01,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:01,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567661530] [2022-11-26 00:03:01,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:01,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:02,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:02,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:02,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567661530] [2022-11-26 00:03:02,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567661530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:02,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:02,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:03:02,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133424562] [2022-11-26 00:03:02,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:02,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:03:02,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:02,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:03:02,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:03:02,135 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:03:02,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:02,184 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2022-11-26 00:03:02,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:03:02,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-26 00:03:02,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:02,187 INFO L225 Difference]: With dead ends: 52 [2022-11-26 00:03:02,187 INFO L226 Difference]: Without dead ends: 28 [2022-11-26 00:03:02,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:03:02,198 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 6 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:02,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 41 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:03:02,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-26 00:03:02,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-26 00:03:02,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 20 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:03:02,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2022-11-26 00:03:02,213 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 11 [2022-11-26 00:03:02,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:02,214 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2022-11-26 00:03:02,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:03:02,215 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2022-11-26 00:03:02,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-26 00:03:02,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:02,217 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:02,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:03:02,218 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:03:02,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:02,221 INFO L85 PathProgramCache]: Analyzing trace with hash -339234721, now seen corresponding path program 1 times [2022-11-26 00:03:02,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:02,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339820316] [2022-11-26 00:03:02,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:02,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:02,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:02,551 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:02,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339820316] [2022-11-26 00:03:02,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339820316] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:02,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:02,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:03:02,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208392240] [2022-11-26 00:03:02,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:02,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:03:02,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:02,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:03:02,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:03:02,554 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-26 00:03:02,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:02,586 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2022-11-26 00:03:02,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:03:02,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2022-11-26 00:03:02,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:02,588 INFO L225 Difference]: With dead ends: 28 [2022-11-26 00:03:02,588 INFO L226 Difference]: Without dead ends: 24 [2022-11-26 00:03:02,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:03:02,590 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 4 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 45 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 [2022-11-26 00:03:02,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 45 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:03:02,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-26 00:03:02,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-11-26 00:03:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.0) internal successors, (16), 16 states have internal predecessors, (16), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:03:02,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2022-11-26 00:03:02,596 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 21 [2022-11-26 00:03:02,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:02,597 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2022-11-26 00:03:02,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-26 00:03:02,597 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2022-11-26 00:03:02,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-26 00:03:02,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:02,598 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] [2022-11-26 00:03:02,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:03:02,599 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-26 00:03:02,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:02,600 INFO L85 PathProgramCache]: Analyzing trace with hash 412489634, now seen corresponding path program 1 times [2022-11-26 00:03:02,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:02,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116031569] [2022-11-26 00:03:02,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:02,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:02,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:03:02,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:02,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116031569] [2022-11-26 00:03:02,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116031569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:02,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:02,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:03:02,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10622681] [2022-11-26 00:03:02,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:02,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-26 00:03:02,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:02,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-26 00:03:02,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:03:02,815 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand has 7 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-26 00:03:02,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:02,895 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2022-11-26 00:03:02,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-26 00:03:02,896 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-11-26 00:03:02,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:02,896 INFO L225 Difference]: With dead ends: 24 [2022-11-26 00:03:02,896 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:03:02,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:03:02,898 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 9 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:02,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 75 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:03:02,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:03:02,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:03:02,900 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) [2022-11-26 00:03:02,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:03:02,900 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-11-26 00:03:02,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:02,900 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:03:02,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-26 00:03:02,901 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:03:02,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:03:02,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-26 00:03:02,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-26 00:03:02,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-26 00:03:02,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-26 00:03:02,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:03:02,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 00:03:02,991 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-26 00:03:02,991 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-26 00:03:02,991 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-26 00:03:02,991 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-26 00:03:02,992 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:03:02,992 INFO L895 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= 0 .cse0) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~CWE191_Integer_Underflow__int_rand_postdec_65b_goodG2BSink.offset|) (<= .cse0 0))) [2022-11-26 00:03:02,992 INFO L899 garLoopResultBuilder]: For program point L1555-1(lines 1549 1556) no Hoare annotation was computed. [2022-11-26 00:03:02,993 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) [2022-11-26 00:03:02,993 INFO L895 garLoopResultBuilder]: At program point L1576-1(line 1576) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) [2022-11-26 00:03:02,993 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true [2022-11-26 00:03:02,993 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2022-11-26 00:03:02,993 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 00:03:02,994 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= |ULTIMATE.start_goodB2G_~data~1#1| 2147483647) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~CWE191_Integer_Underflow__int_rand_postdec_65b_goodB2GSink.offset|) (<= 0 .cse0) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~CWE191_Integer_Underflow__int_rand_postdec_65b_goodG2BSink.offset|) (<= |#funAddr~CWE191_Integer_Underflow__int_rand_postdec_65b_goodB2GSink.offset| |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset|) (<= |#funAddr~CWE191_Integer_Underflow__int_rand_postdec_65b_goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|) (<= .cse0 0) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~CWE191_Integer_Underflow__int_rand_postdec_65b_goodB2GSink.base|))) [2022-11-26 00:03:02,994 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1558 1565) no Hoare annotation was computed. [2022-11-26 00:03:02,994 INFO L895 garLoopResultBuilder]: At program point L1584(line 1584) the Hoare annotation is: (let ((.cse0 (+ 2 |##fun~int~TO~VOID_#in~101#1|))) (or (not (<= 0 .cse0)) (not (<= |##fun~int~TO~VOID_#in~#fp#1.offset| |#funAddr~CWE191_Integer_Underflow__int_rand_postdec_65b_goodG2BSink.offset|)) (not (<= .cse0 0)) (let ((.cse1 (+ 2 |##fun~int~TO~VOID_#~101#1|))) (and (<= 0 .cse1) (<= .cse1 0))))) [2022-11-26 00:03:02,994 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-11-26 00:03:02,995 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 1579 1586) no Hoare annotation was computed. [2022-11-26 00:03:02,995 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1591) no Hoare annotation was computed. [2022-11-26 00:03:02,995 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-11-26 00:03:02,995 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:03:02,995 INFO L899 garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed. [2022-11-26 00:03:02,996 INFO L902 garLoopResultBuilder]: At program point ##fun~int~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-26 00:03:02,996 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-26 00:03:02,996 INFO L895 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: (let ((.cse0 (+ 2 |##fun~int~TO~VOID_#in~101#1|))) (or (not (<= 0 .cse0)) (not (<= |##fun~int~TO~VOID_#in~#fp#1.offset| |#funAddr~CWE191_Integer_Underflow__int_rand_postdec_65b_goodG2BSink.offset|)) (not (<= .cse0 0)))) [2022-11-26 00:03:02,996 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-26 00:03:02,997 INFO L899 garLoopResultBuilder]: For program point L1597-1(lines 1587 1599) no Hoare annotation was computed. [2022-11-26 00:03:02,997 INFO L895 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: (let ((.cse0 (+ 2 |##fun~int~TO~VOID_#in~101#1|))) (or (not (<= 0 .cse0)) (not (<= |##fun~int~TO~VOID_#in~#fp#1.offset| |#funAddr~CWE191_Integer_Underflow__int_rand_postdec_65b_goodG2BSink.offset|)) (not (<= .cse0 0)))) [2022-11-26 00:03:02,997 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-11-26 00:03:02,997 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2022-11-26 00:03:02,997 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1598) no Hoare annotation was computed. [2022-11-26 00:03:02,998 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-11-26 00:03:02,998 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1591) no Hoare annotation was computed. [2022-11-26 00:03:03,001 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-26 00:03:03,004 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:03:03,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:03:03 BoogieIcfgContainer [2022-11-26 00:03:03,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:03:03,017 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:03:03,017 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:03:03,018 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:03:03,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:00" (3/4) ... [2022-11-26 00:03:03,022 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:03:03,028 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-26 00:03:03,028 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-26 00:03:03,029 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-26 00:03:03,033 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-26 00:03:03,034 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-26 00:03:03,034 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-26 00:03:03,035 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:03:03,075 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:03:03,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:03:03,076 INFO L158 Benchmark]: Toolchain (without parser) took 5124.93ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 128.6MB in the beginning and 92.5MB in the end (delta: 36.0MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2022-11-26 00:03:03,076 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 165.7MB. Free memory was 131.8MB in the beginning and 131.6MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:03:03,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1591.73ms. Allocated memory is still 165.7MB. Free memory was 128.6MB in the beginning and 65.0MB in the end (delta: 63.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-26 00:03:03,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.52ms. Allocated memory is still 165.7MB. Free memory was 65.0MB in the beginning and 61.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:03:03,077 INFO L158 Benchmark]: Boogie Preprocessor took 73.49ms. Allocated memory is still 165.7MB. Free memory was 61.5MB in the beginning and 60.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:03:03,078 INFO L158 Benchmark]: RCFGBuilder took 714.77ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 60.0MB in the beginning and 159.4MB in the end (delta: -99.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2022-11-26 00:03:03,078 INFO L158 Benchmark]: TraceAbstraction took 2553.27ms. Allocated memory is still 199.2MB. Free memory was 158.4MB in the beginning and 95.7MB in the end (delta: 62.7MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2022-11-26 00:03:03,079 INFO L158 Benchmark]: Witness Printer took 58.15ms. Allocated memory is still 199.2MB. Free memory was 95.7MB in the beginning and 92.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:03:03,081 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 165.7MB. Free memory was 131.8MB in the beginning and 131.6MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1591.73ms. Allocated memory is still 165.7MB. Free memory was 128.6MB in the beginning and 65.0MB in the end (delta: 63.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.52ms. Allocated memory is still 165.7MB. Free memory was 65.0MB in the beginning and 61.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.49ms. Allocated memory is still 165.7MB. Free memory was 61.5MB in the beginning and 60.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 714.77ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 60.0MB in the beginning and 159.4MB in the end (delta: -99.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2553.27ms. Allocated memory is still 199.2MB. Free memory was 158.4MB in the beginning and 95.7MB in the end (delta: 62.7MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. * Witness Printer took 58.15ms. Allocated memory is still 199.2MB. Free memory was 95.7MB in the beginning and 92.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 425 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 302 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 199 IncrementalHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 123 mSDtfsCounter, 199 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=1, InterpolantAutomatonStates: 32, 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, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 25 PreInvPairs, 26 NumberOfFragments, 119 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 13 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 78 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 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 4 specifications checked. All of them hold - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: 0 <= data + 2 RESULT: Ultimate proved your program to be correct! [2022-11-26 00:03:03,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3bb5329-4a52-42b4-abf4-0c405ba9dd54/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