./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW --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 a1deda5711e3ef3969955e274d1ced7f119539efe0fa985c6b7bc118d4d99189 --- 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-4e7fbc6 [2022-11-23 13:48:31,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:48:31,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:48:31,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:48:31,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:48:31,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:48:31,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:48:31,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:48:31,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:48:31,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:48:31,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:48:31,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:48:31,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:48:31,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:48:31,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:48:31,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:48:31,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:48:31,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:48:31,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:48:31,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:48:31,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:48:31,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:48:31,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:48:31,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:48:31,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:48:31,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:48:31,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:48:31,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:48:31,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:48:31,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:48:31,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:48:31,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:48:31,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:48:31,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:48:31,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:48:31,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:48:31,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:48:31,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:48:31,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:48:31,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:48:31,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:48:31,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 13:48:31,599 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:48:31,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:48:31,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:48:31,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:48:31,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:48:31,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:48:31,601 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:48:31,601 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:48:31,601 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:48:31,601 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:48:31,602 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:48:31,603 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:48:31,603 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:48:31,603 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:48:31,603 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:48:31,604 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:48:31,604 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:48:31,604 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:48:31,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:48:31,605 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 13:48:31,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:48:31,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:48:31,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:48:31,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:48:31,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:48:31,606 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 13:48:31,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:48:31,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:48:31,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:48:31,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:48:31,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:48:31,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:48:31,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:48:31,608 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:48:31,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:48:31,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:48:31,609 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:48:31,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:48:31,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:48:31,610 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:48:31,610 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_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1deda5711e3ef3969955e274d1ced7f119539efe0fa985c6b7bc118d4d99189 [2022-11-23 13:48:31,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:48:31,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:48:31,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:48:31,925 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:48:31,926 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:48:31,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_good.i [2022-11-23 13:48:34,971 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:48:35,419 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:48:35,420 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc555e91-0a0a-424f-ba73-743726172eb3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_good.i [2022-11-23 13:48:35,451 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW/data/b27557087/c0911a8eb082473782b8ad5642357bfd/FLAG761dfb06c [2022-11-23 13:48:35,470 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW/data/b27557087/c0911a8eb082473782b8ad5642357bfd [2022-11-23 13:48:35,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:48:35,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:48:35,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:48:35,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:48:35,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:48:35,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:48:35" (1/1) ... [2022-11-23 13:48:35,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378036a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:35, skipping insertion in model container [2022-11-23 13:48:35,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:48:35" (1/1) ... [2022-11-23 13:48:35,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:48:35,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:48:35,940 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 13:48:36,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:48:36,520 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:48:36,562 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 13:48:36,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:48:36,812 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:48:36,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:36 WrapperNode [2022-11-23 13:48:36,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:48:36,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:48:36,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:48:36,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:48:36,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:36" (1/1) ... [2022-11-23 13:48:36,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:36" (1/1) ... [2022-11-23 13:48:36,892 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 68 [2022-11-23 13:48:36,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:48:36,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:48:36,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:48:36,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:48:36,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:36" (1/1) ... [2022-11-23 13:48:36,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:36" (1/1) ... [2022-11-23 13:48:36,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:36" (1/1) ... [2022-11-23 13:48:36,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:36" (1/1) ... [2022-11-23 13:48:36,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:36" (1/1) ... [2022-11-23 13:48:36,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:36" (1/1) ... [2022-11-23 13:48:36,946 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:36" (1/1) ... [2022-11-23 13:48:36,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:36" (1/1) ... [2022-11-23 13:48:36,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:48:36,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:48:36,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:48:36,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:48:36,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:36" (1/1) ... [2022-11-23 13:48:36,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:48:36,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:48:36,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:48:37,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:48:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 13:48:37,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 13:48:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 13:48:37,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 13:48:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:48:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:48:37,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:48:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 13:48:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:48:37,169 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:48:37,171 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:48:37,445 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:48:37,542 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:48:37,542 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 13:48:37,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:48:37 BoogieIcfgContainer [2022-11-23 13:48:37,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:48:37,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:48:37,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:48:37,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:48:37,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:48:35" (1/3) ... [2022-11-23 13:48:37,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1fa10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:48:37, skipping insertion in model container [2022-11-23 13:48:37,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:36" (2/3) ... [2022-11-23 13:48:37,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1fa10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:48:37, skipping insertion in model container [2022-11-23 13:48:37,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:48:37" (3/3) ... [2022-11-23 13:48:37,560 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_41_good.i [2022-11-23 13:48:37,580 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:48:37,580 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 13:48:37,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:48:37,647 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;@733148aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:48:37,647 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-23 13:48:37,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 17 states have internal predecessors, (17), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 13:48:37,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 13:48:37,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:48:37,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:48:37,659 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 13:48:37,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:48:37,668 INFO L85 PathProgramCache]: Analyzing trace with hash -745928724, now seen corresponding path program 1 times [2022-11-23 13:48:37,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:48:37,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943466572] [2022-11-23 13:48:37,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:48:37,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:48:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:48:38,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:48:38,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:48:38,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943466572] [2022-11-23 13:48:38,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943466572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:48:38,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:48:38,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:48:38,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795399386] [2022-11-23 13:48:38,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:48:38,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:48:38,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:48:38,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:48:38,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:48:38,119 INFO L87 Difference]: Start difference. First operand has 24 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 17 states have internal predecessors, (17), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:48:38,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:48:38,192 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2022-11-23 13:48:38,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:48:38,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-11-23 13:48:38,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:48:38,203 INFO L225 Difference]: With dead ends: 34 [2022-11-23 13:48:38,205 INFO L226 Difference]: Without dead ends: 23 [2022-11-23 13:48:38,208 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 [2022-11-23 13:48:38,213 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:48:38,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 31 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:48:38,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-23 13:48:38,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 18. [2022-11-23 13:48:38,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 10 states have (on average 1.3) internal successors, (13), 13 states have internal predecessors, (13), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:48:38,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-11-23 13:48:38,252 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 7 [2022-11-23 13:48:38,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:48:38,253 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-11-23 13:48:38,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:48:38,254 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-23 13:48:38,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 13:48:38,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:48:38,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:48:38,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:48:38,257 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 13:48:38,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:48:38,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1648953906, now seen corresponding path program 1 times [2022-11-23 13:48:38,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:48:38,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693414865] [2022-11-23 13:48:38,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:48:38,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:48:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:48:38,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:48:38,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:48:38,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693414865] [2022-11-23 13:48:38,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693414865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:48:38,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:48:38,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:48:38,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661935313] [2022-11-23 13:48:38,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:48:38,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:48:38,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:48:38,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:48:38,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:48:38,541 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:48:38,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:48:38,562 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-11-23 13:48:38,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:48:38,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2022-11-23 13:48:38,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:48:38,564 INFO L225 Difference]: With dead ends: 18 [2022-11-23 13:48:38,565 INFO L226 Difference]: Without dead ends: 17 [2022-11-23 13:48:38,570 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 [2022-11-23 13:48:38,572 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 6 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:48:38,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 13 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:48:38,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-23 13:48:38,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-23 13:48:38,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:48:38,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-11-23 13:48:38,580 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 8 [2022-11-23 13:48:38,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:48:38,581 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-11-23 13:48:38,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:48:38,581 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-11-23 13:48:38,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 13:48:38,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:48:38,582 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:48:38,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:48:38,583 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 13:48:38,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:48:38,583 INFO L85 PathProgramCache]: Analyzing trace with hash 2080549626, now seen corresponding path program 1 times [2022-11-23 13:48:38,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:48:38,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548897156] [2022-11-23 13:48:38,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:48:38,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:48:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:48:38,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 13:48:38,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:48:38,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548897156] [2022-11-23 13:48:38,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548897156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:48:38,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:48:38,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:48:38,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655090679] [2022-11-23 13:48:38,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:48:38,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:48:38,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:48:38,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:48:38,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:48:38,702 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:48:38,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:48:38,721 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2022-11-23 13:48:38,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:48:38,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 11 [2022-11-23 13:48:38,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:48:38,722 INFO L225 Difference]: With dead ends: 17 [2022-11-23 13:48:38,722 INFO L226 Difference]: Without dead ends: 16 [2022-11-23 13:48:38,723 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 [2022-11-23 13:48:38,724 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 2 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:48:38,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 20 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:48:38,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-23 13:48:38,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-23 13:48:38,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 10 states have (on average 1.1) internal successors, (11), 11 states have internal predecessors, (11), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:48:38,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-11-23 13:48:38,729 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2022-11-23 13:48:38,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:48:38,729 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-11-23 13:48:38,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:48:38,730 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-11-23 13:48:38,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 13:48:38,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:48:38,731 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:48:38,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 13:48:38,731 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 13:48:38,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:48:38,732 INFO L85 PathProgramCache]: Analyzing trace with hash 72529036, now seen corresponding path program 1 times [2022-11-23 13:48:38,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:48:38,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577791538] [2022-11-23 13:48:38,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:48:38,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:48:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:48:38,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 13:48:38,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:48:38,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577791538] [2022-11-23 13:48:38,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577791538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:48:38,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:48:38,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:48:38,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027086287] [2022-11-23 13:48:38,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:48:38,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:48:38,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:48:38,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:48:38,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:48:38,844 INFO L87 Difference]: Start difference. First operand 16 states and 17 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, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:48:38,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:48:38,866 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2022-11-23 13:48:38,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:48:38,867 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, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 12 [2022-11-23 13:48:38,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:48:38,868 INFO L225 Difference]: With dead ends: 16 [2022-11-23 13:48:38,868 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 13:48:38,869 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 [2022-11-23 13:48:38,879 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:48:38,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:48:38,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 13:48:38,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 13:48:38,882 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) [2022-11-23 13:48:38,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 13:48:38,882 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2022-11-23 13:48:38,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:48:38,883 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 13:48:38,883 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, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:48:38,883 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 13:48:38,883 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 13:48:38,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-23 13:48:38,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-23 13:48:38,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-23 13:48:38,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-23 13:48:38,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 13:48:38,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 13:48:38,914 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 13:48:38,914 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 13:48:38,914 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 13:48:38,914 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 13:48:38,915 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-11-23 13:48:38,915 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 13:48:38,915 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2GSink_~data#1| 2147483647) (not (<= (+ |ULTIMATE.start_goodB2GSink_~data#1| 2147483648) 0))) [2022-11-23 13:48:38,916 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1551) no Hoare annotation was computed. [2022-11-23 13:48:38,916 INFO L899 garLoopResultBuilder]: For program point L1551(line 1551) no Hoare annotation was computed. [2022-11-23 13:48:38,916 INFO L899 garLoopResultBuilder]: For program point L1551-1(line 1551) no Hoare annotation was computed. [2022-11-23 13:48:38,916 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-11-23 13:48:38,916 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-11-23 13:48:38,916 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1551) no Hoare annotation was computed. [2022-11-23 13:48:38,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 13:48:38,917 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2022-11-23 13:48:38,917 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2022-11-23 13:48:38,917 INFO L902 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: true [2022-11-23 13:48:38,917 INFO L902 garLoopResultBuilder]: At program point L1591-1(line 1591) the Hoare annotation is: true [2022-11-23 13:48:38,918 INFO L902 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: true [2022-11-23 13:48:38,918 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2022-11-23 13:48:38,918 INFO L902 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: true [2022-11-23 13:48:38,918 INFO L899 garLoopResultBuilder]: For program point L1552-1(lines 1548 1554) no Hoare annotation was computed. [2022-11-23 13:48:38,919 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (<= |ULTIMATE.start_goodB2GSink_~data#1| 2147483647) [2022-11-23 13:48:38,923 INFO L899 garLoopResultBuilder]: For program point L1571-1(lines 1562 1573) no Hoare annotation was computed. [2022-11-23 13:48:38,926 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-23 13:48:38,928 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 13:48:38,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:48:38 BoogieIcfgContainer [2022-11-23 13:48:38,936 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 13:48:38,936 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 13:48:38,936 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 13:48:38,937 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 13:48:38,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:48:37" (3/4) ... [2022-11-23 13:48:38,941 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 13:48:38,951 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 13:48:38,952 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 13:48:38,958 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-23 13:48:38,958 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-23 13:48:38,959 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 13:48:38,959 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 13:48:39,005 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 13:48:39,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 13:48:39,006 INFO L158 Benchmark]: Toolchain (without parser) took 3529.70ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 114.4MB in the beginning and 101.5MB in the end (delta: 12.9MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. [2022-11-23 13:48:39,007 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:48:39,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1332.37ms. Allocated memory is still 151.0MB. Free memory was 114.4MB in the beginning and 109.7MB in the end (delta: 4.7MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2022-11-23 13:48:39,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.71ms. Allocated memory is still 151.0MB. Free memory was 109.7MB in the beginning and 106.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 13:48:39,007 INFO L158 Benchmark]: Boogie Preprocessor took 56.95ms. Allocated memory is still 151.0MB. Free memory was 106.2MB in the beginning and 104.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:48:39,008 INFO L158 Benchmark]: RCFGBuilder took 594.16ms. Allocated memory is still 151.0MB. Free memory was 104.9MB in the beginning and 85.2MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 13:48:39,008 INFO L158 Benchmark]: TraceAbstraction took 1389.32ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 84.6MB in the beginning and 104.6MB in the end (delta: -20.0MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2022-11-23 13:48:39,008 INFO L158 Benchmark]: Witness Printer took 69.63ms. Allocated memory is still 197.1MB. Free memory was 104.6MB in the beginning and 101.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 13:48:39,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1332.37ms. Allocated memory is still 151.0MB. Free memory was 114.4MB in the beginning and 109.7MB in the end (delta: 4.7MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.71ms. Allocated memory is still 151.0MB. Free memory was 109.7MB in the beginning and 106.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.95ms. Allocated memory is still 151.0MB. Free memory was 106.2MB in the beginning and 104.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 594.16ms. Allocated memory is still 151.0MB. Free memory was 104.9MB in the beginning and 85.2MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1389.32ms. Allocated memory was 151.0MB in the beginning and 197.1MB in the end (delta: 46.1MB). Free memory was 84.6MB in the beginning and 104.6MB in the end (delta: -20.0MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Witness Printer took 69.63ms. Allocated memory is still 197.1MB. Free memory was 104.6MB in the beginning and 101.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 47 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 13 PreInvPairs, 16 NumberOfFragments, 19 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 57 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1591]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 13:48:39,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc555e91-0a0a-424f-ba73-743726172eb3/bin/utaipan-Q6hlc19bkW/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