./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2209ebfbaa9d1e33237a41426aa8e5d6338df3d46402e81c7654662c2bfe9c63 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 00:16:32,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:16:32,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:16:32,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:16:32,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:16:32,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:16:32,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:16:32,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:16:32,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:16:32,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:16:32,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:16:32,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:16:32,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:16:32,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:16:32,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:16:32,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:16:32,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:16:32,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:16:32,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:16:32,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:16:32,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:16:32,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:16:32,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:16:32,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:16:32,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:16:32,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:16:32,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:16:32,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:16:32,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:16:32,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:16:32,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:16:32,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:16:32,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:16:32,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:16:32,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:16:32,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:16:32,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:16:32,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:16:32,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:16:32,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:16:32,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:16:32,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 00:16:32,768 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:16:32,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:16:32,769 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:16:32,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:16:32,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:16:32,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:16:32,771 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:16:32,772 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:16:32,772 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:16:32,772 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:16:32,773 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:16:32,774 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:16:32,774 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:16:32,774 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:16:32,775 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:16:32,775 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:16:32,775 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:16:32,775 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:16:32,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:16:32,777 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:16:32,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:16:32,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:16:32,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:16:32,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:16:32,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:16:32,778 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:16:32,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:16:32,779 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:16:32,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:16:32,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:16:32,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:16:32,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:16:32,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:16:32,781 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:16:32,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:16:32,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:16:32,782 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:16:32,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:16:32,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:16:32,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:16:32,783 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_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2209ebfbaa9d1e33237a41426aa8e5d6338df3d46402e81c7654662c2bfe9c63 [2022-11-22 00:16:33,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:16:33,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:16:33,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:16:33,233 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:16:33,235 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:16:33,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_12_good.i [2022-11-22 00:16:36,898 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:16:37,382 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:16:37,384 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_12_good.i [2022-11-22 00:16:37,414 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba/data/aafc442f5/30a26746745947afae254f199263d781/FLAG5f53c58bf [2022-11-22 00:16:37,433 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba/data/aafc442f5/30a26746745947afae254f199263d781 [2022-11-22 00:16:37,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:16:37,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:16:37,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:16:37,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:16:37,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:16:37,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:16:37" (1/1) ... [2022-11-22 00:16:37,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508a6753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:16:37, skipping insertion in model container [2022-11-22 00:16:37,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:16:37" (1/1) ... [2022-11-22 00:16:37,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:16:37,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:16:38,151 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 00:16:39,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:16:39,135 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:16:39,172 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 00:16:39,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:16:39,428 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:16:39,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:16:39 WrapperNode [2022-11-22 00:16:39,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:16:39,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:16:39,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:16:39,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:16:39,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:16:39" (1/1) ... [2022-11-22 00:16:39,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:16:39" (1/1) ... [2022-11-22 00:16:39,509 INFO L138 Inliner]: procedures = 501, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 119 [2022-11-22 00:16:39,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:16:39,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:16:39,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:16:39,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:16:39,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:16:39" (1/1) ... [2022-11-22 00:16:39,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:16:39" (1/1) ... [2022-11-22 00:16:39,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:16:39" (1/1) ... [2022-11-22 00:16:39,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:16:39" (1/1) ... [2022-11-22 00:16:39,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:16:39" (1/1) ... [2022-11-22 00:16:39,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:16:39" (1/1) ... [2022-11-22 00:16:39,575 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:16:39" (1/1) ... [2022-11-22 00:16:39,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:16:39" (1/1) ... [2022-11-22 00:16:39,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:16:39,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:16:39,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:16:39,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:16:39,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:16:39" (1/1) ... [2022-11-22 00:16:39,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:16:39,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:16:39,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:16:39,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:16:39,683 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-22 00:16:39,683 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-22 00:16:39,684 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-22 00:16:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-22 00:16:39,684 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-22 00:16:39,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-22 00:16:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:16:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:16:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:16:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-22 00:16:39,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:16:39,883 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:16:39,886 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:16:40,326 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:16:40,642 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:16:40,643 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 00:16:40,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:16:40 BoogieIcfgContainer [2022-11-22 00:16:40,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:16:40,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:16:40,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:16:40,658 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:16:40,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:16:37" (1/3) ... [2022-11-22 00:16:40,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b82485e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:16:40, skipping insertion in model container [2022-11-22 00:16:40,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:16:39" (2/3) ... [2022-11-22 00:16:40,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b82485e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:16:40, skipping insertion in model container [2022-11-22 00:16:40,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:16:40" (3/3) ... [2022-11-22 00:16:40,661 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_12_good.i [2022-11-22 00:16:40,688 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:16:40,688 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-22 00:16:40,767 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:16:40,776 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;@1590fe6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:16:40,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-22 00:16:40,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 42 states have internal predecessors, (44), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-22 00:16:40,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 00:16:40,791 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:16:40,792 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:16:40,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 00:16:40,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:16:40,803 INFO L85 PathProgramCache]: Analyzing trace with hash -116170172, now seen corresponding path program 1 times [2022-11-22 00:16:40,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:16:40,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926448676] [2022-11-22 00:16:40,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:16:40,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:16:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:16:41,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:16:41,379 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:16:41,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926448676] [2022-11-22 00:16:41,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926448676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:16:41,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:16:41,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:16:41,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463885468] [2022-11-22 00:16:41,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:16:41,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:16:41,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:16:41,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:16:41,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:16:41,442 INFO L87 Difference]: Start difference. First operand has 52 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 42 states have internal predecessors, (44), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 00:16:41,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:16:41,546 INFO L93 Difference]: Finished difference Result 74 states and 97 transitions. [2022-11-22 00:16:41,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:16:41,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 17 [2022-11-22 00:16:41,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:16:41,560 INFO L225 Difference]: With dead ends: 74 [2022-11-22 00:16:41,561 INFO L226 Difference]: Without dead ends: 60 [2022-11-22 00:16:41,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:16:41,571 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 25 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:16:41,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 97 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:16:41,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-22 00:16:41,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 44. [2022-11-22 00:16:41,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 35 states have internal predecessors, (36), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-22 00:16:41,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2022-11-22 00:16:41,627 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 54 transitions. Word has length 17 [2022-11-22 00:16:41,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:16:41,628 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 54 transitions. [2022-11-22 00:16:41,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 00:16:41,629 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2022-11-22 00:16:41,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-22 00:16:41,631 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:16:41,631 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:16:41,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:16:41,632 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 00:16:41,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:16:41,633 INFO L85 PathProgramCache]: Analyzing trace with hash 693692047, now seen corresponding path program 1 times [2022-11-22 00:16:41,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:16:41,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861310206] [2022-11-22 00:16:41,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:16:41,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:16:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:16:41,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:16:41,868 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:16:41,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861310206] [2022-11-22 00:16:41,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861310206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:16:41,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:16:41,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:16:41,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455855879] [2022-11-22 00:16:41,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:16:41,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:16:41,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:16:41,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:16:41,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:16:41,875 INFO L87 Difference]: Start difference. First operand 44 states and 54 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 00:16:41,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:16:41,973 INFO L93 Difference]: Finished difference Result 60 states and 71 transitions. [2022-11-22 00:16:41,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:16:41,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18 [2022-11-22 00:16:41,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:16:41,981 INFO L225 Difference]: With dead ends: 60 [2022-11-22 00:16:41,982 INFO L226 Difference]: Without dead ends: 58 [2022-11-22 00:16:41,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:16:41,990 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 19 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:16:41,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 85 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:16:41,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-22 00:16:42,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 42. [2022-11-22 00:16:42,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 33 states have internal predecessors, (34), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-22 00:16:42,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2022-11-22 00:16:42,011 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 52 transitions. Word has length 18 [2022-11-22 00:16:42,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:16:42,013 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 52 transitions. [2022-11-22 00:16:42,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-22 00:16:42,018 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-11-22 00:16:42,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-22 00:16:42,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:16:42,020 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:16:42,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:16:42,021 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 00:16:42,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:16:42,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1086396185, now seen corresponding path program 1 times [2022-11-22 00:16:42,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:16:42,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659073946] [2022-11-22 00:16:42,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:16:42,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:16:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:16:42,205 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-22 00:16:42,206 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:16:42,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659073946] [2022-11-22 00:16:42,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659073946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:16:42,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:16:42,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:16:42,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557420593] [2022-11-22 00:16:42,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:16:42,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:16:42,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:16:42,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:16:42,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:16:42,210 INFO L87 Difference]: Start difference. First operand 42 states and 52 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-22 00:16:42,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:16:42,252 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2022-11-22 00:16:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:16:42,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 27 [2022-11-22 00:16:42,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:16:42,254 INFO L225 Difference]: With dead ends: 42 [2022-11-22 00:16:42,254 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 00:16:42,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:16:42,257 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 4 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:16:42,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 71 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:16:42,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 00:16:42,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 00:16:42,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:16:42,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 00:16:42,260 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2022-11-22 00:16:42,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:16:42,261 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 00:16:42,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-22 00:16:42,261 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 00:16:42,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 00:16:42,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-22 00:16:42,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-22 00:16:42,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-22 00:16:42,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-22 00:16:42,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-22 00:16:42,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-22 00:16:42,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-22 00:16:42,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-22 00:16:42,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 00:16:42,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 00:16:42,316 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-22 00:16:42,316 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-22 00:16:42,317 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseEXIT(lines 1518 1521) no Hoare annotation was computed. [2022-11-22 00:16:42,317 INFO L902 garLoopResultBuilder]: At program point globalReturnsTrueOrFalseENTRY(lines 1518 1521) the Hoare annotation is: true [2022-11-22 00:16:42,317 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-22 00:16:42,317 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-22 00:16:42,318 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1581) no Hoare annotation was computed. [2022-11-22 00:16:42,321 INFO L899 garLoopResultBuilder]: For program point L1613(lines 1613 1617) no Hoare annotation was computed. [2022-11-22 00:16:42,321 INFO L899 garLoopResultBuilder]: For program point L1613-1(lines 1603 1618) no Hoare annotation was computed. [2022-11-22 00:16:42,321 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1615) no Hoare annotation was computed. [2022-11-22 00:16:42,322 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1609) no Hoare annotation was computed. [2022-11-22 00:16:42,322 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-11-22 00:16:42,322 INFO L902 garLoopResultBuilder]: At program point L1630(line 1630) the Hoare annotation is: true [2022-11-22 00:16:42,322 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 00:16:42,323 INFO L902 garLoopResultBuilder]: At program point L1630-1(line 1630) the Hoare annotation is: true [2022-11-22 00:16:42,324 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2022-11-22 00:16:42,324 INFO L899 garLoopResultBuilder]: For program point L1581(line 1581) no Hoare annotation was computed. [2022-11-22 00:16:42,325 INFO L899 garLoopResultBuilder]: For program point L1581-1(line 1581) no Hoare annotation was computed. [2022-11-22 00:16:42,327 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-11-22 00:16:42,327 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-11-22 00:16:42,328 INFO L895 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~data~0#1|) (<= |ULTIMATE.start_goodB2G_~data~0#1| 1073741822)) [2022-11-22 00:16:42,328 INFO L899 garLoopResultBuilder]: For program point L1615-1(line 1615) no Hoare annotation was computed. [2022-11-22 00:16:42,328 INFO L899 garLoopResultBuilder]: For program point L1607(line 1607) no Hoare annotation was computed. [2022-11-22 00:16:42,329 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2022-11-22 00:16:42,329 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-11-22 00:16:42,329 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2022-11-22 00:16:42,329 INFO L902 garLoopResultBuilder]: At program point L1616(line 1616) the Hoare annotation is: true [2022-11-22 00:16:42,334 INFO L902 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: true [2022-11-22 00:16:42,335 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~data~0#1|) (<= |ULTIMATE.start_goodB2G_~data~0#1| 1073741822)) [2022-11-22 00:16:42,335 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2022-11-22 00:16:42,339 INFO L899 garLoopResultBuilder]: For program point L1560(line 1560) no Hoare annotation was computed. [2022-11-22 00:16:42,340 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 1560 1589) no Hoare annotation was computed. [2022-11-22 00:16:42,340 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G_~data~0#1| 1073741822) [2022-11-22 00:16:42,341 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2022-11-22 00:16:42,341 INFO L902 garLoopResultBuilder]: At program point L1552-4(lines 1552 1559) the Hoare annotation is: true [2022-11-22 00:16:42,341 INFO L899 garLoopResultBuilder]: For program point L1577(lines 1577 1588) no Hoare annotation was computed. [2022-11-22 00:16:42,341 INFO L899 garLoopResultBuilder]: For program point L1577-1(lines 1560 1589) no Hoare annotation was computed. [2022-11-22 00:16:42,342 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 00:16:42,342 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2022-11-22 00:16:42,342 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (<= 1 |ULTIMATE.start_goodB2G_~data~0#1|) [2022-11-22 00:16:42,343 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-11-22 00:16:42,343 INFO L899 garLoopResultBuilder]: For program point L1603-1(lines 1603 1618) no Hoare annotation was computed. [2022-11-22 00:16:42,343 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1581) no Hoare annotation was computed. [2022-11-22 00:16:42,344 INFO L902 garLoopResultBuilder]: At program point L1628(line 1628) the Hoare annotation is: true [2022-11-22 00:16:42,344 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2022-11-22 00:16:42,344 INFO L902 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: true [2022-11-22 00:16:42,344 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1573) no Hoare annotation was computed. [2022-11-22 00:16:42,345 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2022-11-22 00:16:42,345 INFO L895 garLoopResultBuilder]: At program point L1595-4(lines 1595 1602) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~1#1| 2) [2022-11-22 00:16:42,345 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1587) no Hoare annotation was computed. [2022-11-22 00:16:42,346 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1615) no Hoare annotation was computed. [2022-11-22 00:16:42,347 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (<= 1 |ULTIMATE.start_goodB2G_~data~0#1|) [2022-11-22 00:16:42,351 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-22 00:16:42,354 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 00:16:42,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:16:42 BoogieIcfgContainer [2022-11-22 00:16:42,365 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:16:42,366 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:16:42,366 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:16:42,366 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:16:42,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:16:40" (3/4) ... [2022-11-22 00:16:42,370 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 00:16:42,376 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-22 00:16:42,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-11-22 00:16:42,379 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-22 00:16:42,386 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-22 00:16:42,386 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-22 00:16:42,387 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 00:16:42,387 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:16:42,444 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 00:16:42,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:16:42,445 INFO L158 Benchmark]: Toolchain (without parser) took 5007.54ms. Allocated memory was 153.1MB in the beginning and 237.0MB in the end (delta: 83.9MB). Free memory was 107.6MB in the beginning and 162.2MB in the end (delta: -54.6MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2022-11-22 00:16:42,446 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 107.0MB. Free memory was 54.9MB in the beginning and 54.8MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:16:42,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1990.26ms. Allocated memory is still 153.1MB. Free memory was 107.2MB in the beginning and 83.5MB in the end (delta: 23.7MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2022-11-22 00:16:42,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.23ms. Allocated memory is still 153.1MB. Free memory was 83.5MB in the beginning and 80.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 00:16:42,447 INFO L158 Benchmark]: Boogie Preprocessor took 69.90ms. Allocated memory is still 153.1MB. Free memory was 80.1MB in the beginning and 78.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:16:42,447 INFO L158 Benchmark]: RCFGBuilder took 1069.76ms. Allocated memory is still 153.1MB. Free memory was 78.0MB in the beginning and 108.7MB in the end (delta: -30.7MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-11-22 00:16:42,448 INFO L158 Benchmark]: TraceAbstraction took 1711.53ms. Allocated memory was 153.1MB in the beginning and 237.0MB in the end (delta: 83.9MB). Free memory was 107.6MB in the beginning and 166.4MB in the end (delta: -58.8MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-11-22 00:16:42,448 INFO L158 Benchmark]: Witness Printer took 78.76ms. Allocated memory is still 237.0MB. Free memory was 166.4MB in the beginning and 162.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 00:16:42,451 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 107.0MB. Free memory was 54.9MB in the beginning and 54.8MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1990.26ms. Allocated memory is still 153.1MB. Free memory was 107.2MB in the beginning and 83.5MB in the end (delta: 23.7MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.23ms. Allocated memory is still 153.1MB. Free memory was 83.5MB in the beginning and 80.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.90ms. Allocated memory is still 153.1MB. Free memory was 80.1MB in the beginning and 78.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1069.76ms. Allocated memory is still 153.1MB. Free memory was 78.0MB in the beginning and 108.7MB in the end (delta: -30.7MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1711.53ms. Allocated memory was 153.1MB in the beginning and 237.0MB in the end (delta: 83.9MB). Free memory was 107.6MB in the beginning and 166.4MB in the end (delta: -58.8MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Witness Printer took 78.76ms. Allocated memory is still 237.0MB. Free memory was 166.4MB in the beginning and 162.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1615]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1615]: 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, 52 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 253 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 104 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 149 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 32 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 28 PreInvPairs, 32 NumberOfFragments, 36 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 77 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 16/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1630]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-22 00:16:42,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6d80dd9-cabf-46e5-ac85-e0be32963a53/bin/utaipan-g80aRyZoba/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