./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS --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 3a0c1cbac9fab3cc55df5667f1ad3ef4ca09c7b23b4427bb4c33dec8dee7a9b6 --- 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-8393723 [2022-11-19 07:53:22,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:53:22,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:53:22,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:53:22,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:53:22,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:53:22,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:53:22,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:53:22,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:53:22,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:53:22,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:53:22,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:53:22,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:53:22,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:53:22,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:53:22,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:53:22,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:53:22,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:53:22,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:53:22,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:53:22,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:53:22,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:53:22,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:53:22,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:53:22,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:53:22,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:53:22,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:53:22,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:53:22,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:53:22,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:53:22,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:53:22,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:53:22,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:53:22,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:53:22,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:53:22,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:53:22,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:53:22,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:53:22,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:53:22,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:53:22,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:53:22,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-19 07:53:22,488 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:53:22,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:53:22,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:53:22,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:53:22,495 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:53:22,495 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:53:22,496 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:53:22,496 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:53:22,496 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:53:22,496 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:53:22,497 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:53:22,498 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:53:22,498 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:53:22,498 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:53:22,498 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:53:22,499 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:53:22,499 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:53:22,499 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:53:22,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:53:22,500 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:53:22,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:53:22,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:53:22,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:53:22,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:53:22,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:53:22,503 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:53:22,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:53:22,503 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:53:22,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:53:22,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:53:22,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:53:22,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:53:22,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:53:22,505 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:53:22,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:53:22,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:53:22,505 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:53:22,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:53:22,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:53:22,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:53:22,506 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_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a0c1cbac9fab3cc55df5667f1ad3ef4ca09c7b23b4427bb4c33dec8dee7a9b6 [2022-11-19 07:53:22,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:53:22,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:53:22,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:53:22,833 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:53:22,834 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:53:22,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_12_good.i [2022-11-19 07:53:22,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS/data/836c163eb/89a4dc29a19d4163a4727cb58b2cd617/FLAGbfb63fd85 [2022-11-19 07:53:23,534 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:53:23,539 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_12_good.i [2022-11-19 07:53:23,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS/data/836c163eb/89a4dc29a19d4163a4727cb58b2cd617/FLAGbfb63fd85 [2022-11-19 07:53:23,762 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS/data/836c163eb/89a4dc29a19d4163a4727cb58b2cd617 [2022-11-19 07:53:23,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:53:23,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:53:23,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:53:23,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:53:23,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:53:23,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:53:23" (1/1) ... [2022-11-19 07:53:23,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738fc26f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:23, skipping insertion in model container [2022-11-19 07:53:23,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:53:23" (1/1) ... [2022-11-19 07:53:23,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:53:23,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:53:24,269 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 07:53:24,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:53:24,828 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:53:24,862 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 07:53:24,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:53:25,118 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:53:25,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:25 WrapperNode [2022-11-19 07:53:25,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:53:25,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:53:25,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:53:25,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:53:25,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:25" (1/1) ... [2022-11-19 07:53:25,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:25" (1/1) ... [2022-11-19 07:53:25,240 INFO L138 Inliner]: procedures = 501, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 115 [2022-11-19 07:53:25,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:53:25,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:53:25,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:53:25,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:53:25,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:25" (1/1) ... [2022-11-19 07:53:25,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:25" (1/1) ... [2022-11-19 07:53:25,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:25" (1/1) ... [2022-11-19 07:53:25,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:25" (1/1) ... [2022-11-19 07:53:25,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:25" (1/1) ... [2022-11-19 07:53:25,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:25" (1/1) ... [2022-11-19 07:53:25,295 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:25" (1/1) ... [2022-11-19 07:53:25,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:25" (1/1) ... [2022-11-19 07:53:25,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:53:25,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:53:25,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:53:25,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:53:25,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:25" (1/1) ... [2022-11-19 07:53:25,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:53:25,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:53:25,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:53:25,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:53:25,390 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-19 07:53:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-19 07:53:25,391 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-19 07:53:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-19 07:53:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-19 07:53:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-19 07:53:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:53:25,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:53:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:53:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-19 07:53:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:53:25,637 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:53:25,639 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:53:25,883 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:53:26,084 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:53:26,084 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:53:26,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:53:26 BoogieIcfgContainer [2022-11-19 07:53:26,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:53:26,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:53:26,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:53:26,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:53:26,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:53:23" (1/3) ... [2022-11-19 07:53:26,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3112f468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:53:26, skipping insertion in model container [2022-11-19 07:53:26,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:25" (2/3) ... [2022-11-19 07:53:26,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3112f468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:53:26, skipping insertion in model container [2022-11-19 07:53:26,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:53:26" (3/3) ... [2022-11-19 07:53:26,111 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_12_good.i [2022-11-19 07:53:26,137 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:53:26,138 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-19 07:53:26,226 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:53:26,239 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;@494bab7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:53:26,240 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-19 07:53:26,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 24 states have (on average 1.5) internal successors, (36), 36 states have internal predecessors, (36), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 07:53:26,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 07:53:26,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:53:26,256 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:53:26,257 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:53:26,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:53:26,265 INFO L85 PathProgramCache]: Analyzing trace with hash 764542019, now seen corresponding path program 1 times [2022-11-19 07:53:26,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:53:26,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628535545] [2022-11-19 07:53:26,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:53:26,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:53:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:53:26,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:53:26,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:53:26,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628535545] [2022-11-19 07:53:26,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628535545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:53:26,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:53:26,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:53:26,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901164907] [2022-11-19 07:53:26,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:53:26,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:53:26,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:53:26,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:53:26,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:53:26,770 INFO L87 Difference]: Start difference. First operand has 48 states, 24 states have (on average 1.5) internal successors, (36), 36 states have internal predecessors, (36), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-19 07:53:26,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:53:26,850 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2022-11-19 07:53:26,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:53:26,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 16 [2022-11-19 07:53:26,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:53:26,878 INFO L225 Difference]: With dead ends: 68 [2022-11-19 07:53:26,879 INFO L226 Difference]: Without dead ends: 54 [2022-11-19 07:53:26,885 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 [2022-11-19 07:53:26,889 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 21 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:53:26,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 85 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:53:26,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-19 07:53:26,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 40. [2022-11-19 07:53:26,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 30 states have internal predecessors, (30), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-19 07:53:26,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2022-11-19 07:53:26,940 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 16 [2022-11-19 07:53:26,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:53:26,941 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2022-11-19 07:53:26,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-19 07:53:26,942 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2022-11-19 07:53:26,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 07:53:26,944 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:53:26,944 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:53:26,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:53:26,945 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:53:26,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:53:26,946 INFO L85 PathProgramCache]: Analyzing trace with hash -2069001093, now seen corresponding path program 1 times [2022-11-19 07:53:26,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:53:26,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322796537] [2022-11-19 07:53:26,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:53:26,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:53:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:53:27,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:53:27,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:53:27,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322796537] [2022-11-19 07:53:27,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322796537] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:53:27,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:53:27,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:53:27,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164996218] [2022-11-19 07:53:27,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:53:27,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:53:27,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:53:27,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:53:27,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:53:27,387 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 07:53:27,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:53:27,430 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2022-11-19 07:53:27,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:53:27,431 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 17 [2022-11-19 07:53:27,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:53:27,433 INFO L225 Difference]: With dead ends: 40 [2022-11-19 07:53:27,433 INFO L226 Difference]: Without dead ends: 38 [2022-11-19 07:53:27,433 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 [2022-11-19 07:53:27,435 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 18 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:53:27,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 42 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:53:27,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-19 07:53:27,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-19 07:53:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 28 states have internal predecessors, (28), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-19 07:53:27,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2022-11-19 07:53:27,449 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 17 [2022-11-19 07:53:27,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:53:27,450 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2022-11-19 07:53:27,450 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), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 07:53:27,450 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-19 07:53:27,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-19 07:53:27,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:53:27,451 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:53:27,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:53:27,476 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-19 07:53:27,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:53:27,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1222133479, now seen corresponding path program 1 times [2022-11-19 07:53:27,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:53:27,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266759804] [2022-11-19 07:53:27,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:53:27,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:53:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:53:27,689 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-19 07:53:27,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:53:27,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266759804] [2022-11-19 07:53:27,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266759804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:53:27,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:53:27,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:53:27,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972954978] [2022-11-19 07:53:27,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:53:27,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:53:27,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:53:27,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:53:27,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:53:27,693 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 07:53:27,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:53:27,725 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2022-11-19 07:53:27,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:53:27,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 29 [2022-11-19 07:53:27,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:53:27,726 INFO L225 Difference]: With dead ends: 38 [2022-11-19 07:53:27,726 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:53:27,727 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 [2022-11-19 07:53:27,729 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 3 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:53:27,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 63 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:53:27,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:53:27,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:53:27,731 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) [2022-11-19 07:53:27,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:53:27,731 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2022-11-19 07:53:27,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:53:27,732 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:53:27,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 07:53:27,732 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:53:27,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:53:27,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-19 07:53:27,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-19 07:53:27,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-19 07:53:27,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-19 07:53:27,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-19 07:53:27,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-19 07:53:27,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-19 07:53:27,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-19 07:53:27,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:53:27,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:53:27,782 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-19 07:53:27,782 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-19 07:53:27,782 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseEXIT(lines 1518 1521) no Hoare annotation was computed. [2022-11-19 07:53:27,783 INFO L902 garLoopResultBuilder]: At program point globalReturnsTrueOrFalseENTRY(lines 1518 1521) the Hoare annotation is: true [2022-11-19 07:53:27,783 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-19 07:53:27,783 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-19 07:53:27,783 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-11-19 07:53:27,783 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-19 07:53:27,784 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2022-11-19 07:53:27,784 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-19 07:53:27,784 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2022-11-19 07:53:27,784 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2022-11-19 07:53:27,785 INFO L902 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: true [2022-11-19 07:53:27,785 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-11-19 07:53:27,785 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 07:53:27,785 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-11-19 07:53:27,785 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1600) no Hoare annotation was computed. [2022-11-19 07:53:27,786 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-19 07:53:27,786 INFO L899 garLoopResultBuilder]: For program point L1597-1(lines 1597 1610) no Hoare annotation was computed. [2022-11-19 07:53:27,786 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2022-11-19 07:53:27,801 INFO L899 garLoopResultBuilder]: For program point L1560(line 1560) no Hoare annotation was computed. [2022-11-19 07:53:27,801 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 1560 1583) no Hoare annotation was computed. [2022-11-19 07:53:27,801 INFO L902 garLoopResultBuilder]: At program point L1622(line 1622) the Hoare annotation is: true [2022-11-19 07:53:27,802 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-19 07:53:27,802 INFO L902 garLoopResultBuilder]: At program point L1622-1(line 1622) the Hoare annotation is: true [2022-11-19 07:53:27,802 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2022-11-19 07:53:27,802 INFO L895 garLoopResultBuilder]: At program point L1589-4(lines 1589 1596) the Hoare annotation is: (and (= |ULTIMATE.start_goodG2B_~data~1#1| 2) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648))) [2022-11-19 07:53:27,803 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483646)) [2022-11-19 07:53:27,803 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2022-11-19 07:53:27,803 INFO L895 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-19 07:53:27,803 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1559) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-19 07:53:27,804 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 1560 1583) no Hoare annotation was computed. [2022-11-19 07:53:27,804 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483646)) [2022-11-19 07:53:27,804 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2022-11-19 07:53:27,804 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2022-11-19 07:53:27,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:53:27,805 INFO L895 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483646)) [2022-11-19 07:53:27,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1600) no Hoare annotation was computed. [2022-11-19 07:53:27,805 INFO L899 garLoopResultBuilder]: For program point L1607(line 1607) no Hoare annotation was computed. [2022-11-19 07:53:27,806 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1582) no Hoare annotation was computed. [2022-11-19 07:53:27,806 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2022-11-19 07:53:27,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-19 07:53:27,806 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1570) no Hoare annotation was computed. [2022-11-19 07:53:27,806 INFO L902 garLoopResultBuilder]: At program point L1620(line 1620) the Hoare annotation is: true [2022-11-19 07:53:27,807 INFO L899 garLoopResultBuilder]: For program point L1620-1(line 1620) no Hoare annotation was computed. [2022-11-19 07:53:27,807 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2022-11-19 07:53:27,807 INFO L902 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: true [2022-11-19 07:53:27,807 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 1585 1611) no Hoare annotation was computed. [2022-11-19 07:53:27,811 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-19 07:53:27,813 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:53:27,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:53:27 BoogieIcfgContainer [2022-11-19 07:53:27,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:53:27,829 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:53:27,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:53:27,830 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:53:27,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:53:26" (3/4) ... [2022-11-19 07:53:27,833 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:53:27,839 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-19 07:53:27,840 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-11-19 07:53:27,840 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-19 07:53:27,848 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-19 07:53:27,849 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-19 07:53:27,854 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-19 07:53:27,854 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:53:27,913 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:53:27,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:53:27,914 INFO L158 Benchmark]: Toolchain (without parser) took 4147.50ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 82.6MB in the beginning and 96.9MB in the end (delta: -14.3MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2022-11-19 07:53:27,914 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:53:27,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1350.54ms. Allocated memory is still 125.8MB. Free memory was 82.3MB in the beginning and 48.3MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-19 07:53:27,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.82ms. Allocated memory is still 125.8MB. Free memory was 48.3MB in the beginning and 98.5MB in the end (delta: -50.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-11-19 07:53:27,916 INFO L158 Benchmark]: Boogie Preprocessor took 58.69ms. Allocated memory is still 125.8MB. Free memory was 98.5MB in the beginning and 97.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:53:27,916 INFO L158 Benchmark]: RCFGBuilder took 786.63ms. Allocated memory is still 125.8MB. Free memory was 97.1MB in the beginning and 67.0MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-19 07:53:27,916 INFO L158 Benchmark]: TraceAbstraction took 1738.98ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 66.3MB in the beginning and 100.0MB in the end (delta: -33.7MB). Peak memory consumption was 539.6kB. Max. memory is 16.1GB. [2022-11-19 07:53:27,917 INFO L158 Benchmark]: Witness Printer took 84.98ms. Allocated memory is still 161.5MB. Free memory was 100.0MB in the beginning and 96.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:53:27,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1350.54ms. Allocated memory is still 125.8MB. Free memory was 82.3MB in the beginning and 48.3MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.82ms. Allocated memory is still 125.8MB. Free memory was 48.3MB in the beginning and 98.5MB in the end (delta: -50.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.69ms. Allocated memory is still 125.8MB. Free memory was 98.5MB in the beginning and 97.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 786.63ms. Allocated memory is still 125.8MB. Free memory was 97.1MB in the beginning and 67.0MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1738.98ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 66.3MB in the beginning and 100.0MB in the end (delta: -33.7MB). Peak memory consumption was 539.6kB. Max. memory is 16.1GB. * Witness Printer took 84.98ms. Allocated memory is still 161.5MB. Free memory was 100.0MB in the beginning and 96.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 48 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 190 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 115 mSDtfsCounter, 56 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=48occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 28 PreInvPairs, 32 NumberOfFragments, 64 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 93 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 18/18 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: 1622]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-19 07:53:27,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b812b31-caa9-409b-bcdb-e7155a1d1280/bin/utaipan-I9t0OCRTmS/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