./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_44_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_44_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh --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 7694fa5ed195586a6720ce74137e3c07308b1d3e5dd143fa33b1560151793f50 --- 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-2329fc7 [2022-12-14 07:57:25,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:57:25,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:57:25,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:57:25,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:57:25,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:57:25,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:57:25,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:57:25,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:57:25,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:57:25,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:57:25,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:57:25,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:57:25,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:57:25,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:57:25,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:57:25,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:57:25,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:57:25,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:57:25,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:57:25,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:57:25,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:57:25,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:57:25,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:57:25,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:57:25,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:57:25,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:57:25,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:57:25,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:57:25,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:57:25,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:57:25,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:57:25,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:57:25,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:57:25,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:57:25,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:57:25,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:57:25,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:57:25,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:57:25,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:57:25,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:57:25,837 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 07:57:25,859 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:57:25,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:57:25,859 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:57:25,859 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:57:25,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:57:25,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:57:25,860 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:57:25,861 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:57:25,861 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:57:25,861 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:57:25,861 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:57:25,861 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:57:25,861 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:57:25,861 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:57:25,862 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:57:25,862 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:57:25,862 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:57:25,862 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:57:25,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:57:25,863 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:57:25,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:57:25,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:57:25,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:57:25,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:57:25,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:57:25,864 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 07:57:25,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:57:25,864 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:57:25,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:57:25,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:57:25,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:57:25,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:57:25,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:57:25,865 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:57:25,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:57:25,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:57:25,866 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:57:25,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:57:25,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:57:25,866 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:57:25,866 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_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7694fa5ed195586a6720ce74137e3c07308b1d3e5dd143fa33b1560151793f50 [2022-12-14 07:57:26,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:57:26,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:57:26,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:57:26,080 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:57:26,080 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:57:26,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_44_good.i [2022-12-14 07:57:28,745 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:57:29,023 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:57:29,023 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b0a7e3-9240-4066-a2ec-39aecd875ec1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_44_good.i [2022-12-14 07:57:29,040 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh/data/18b9c9749/2b7e92f215b34c05bd35a4925640beb6/FLAG38b6adda7 [2022-12-14 07:57:29,330 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh/data/18b9c9749/2b7e92f215b34c05bd35a4925640beb6 [2022-12-14 07:57:29,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:57:29,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:57:29,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:57:29,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:57:29,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:57:29,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:57:29" (1/1) ... [2022-12-14 07:57:29,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24384544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:29, skipping insertion in model container [2022-12-14 07:57:29,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:57:29" (1/1) ... [2022-12-14 07:57:29,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:57:29,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:57:29,689 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:57:30,119 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:57:30,125 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:57:30,127 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:57:30,129 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:57:30,130 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:57:30,167 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:57:30,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:57:30,177 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:57:30,190 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 07:57:30,219 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 07:57:30,220 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:57:30,221 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 07:57:30,223 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:57:30,223 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 07:57:30,227 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 07:57:30,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:57:30,319 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:57:30,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:30 WrapperNode [2022-12-14 07:57:30,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:57:30,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:57:30,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:57:30,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:57:30,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:30" (1/1) ... [2022-12-14 07:57:30,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:30" (1/1) ... [2022-12-14 07:57:30,359 INFO L138 Inliner]: procedures = 504, calls = 68, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 63 [2022-12-14 07:57:30,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:57:30,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:57:30,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:57:30,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:57:30,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:30" (1/1) ... [2022-12-14 07:57:30,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:30" (1/1) ... [2022-12-14 07:57:30,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:30" (1/1) ... [2022-12-14 07:57:30,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:30" (1/1) ... [2022-12-14 07:57:30,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:30" (1/1) ... [2022-12-14 07:57:30,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:30" (1/1) ... [2022-12-14 07:57:30,376 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:30" (1/1) ... [2022-12-14 07:57:30,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:30" (1/1) ... [2022-12-14 07:57:30,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:57:30,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:57:30,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:57:30,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:57:30,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:30" (1/1) ... [2022-12-14 07:57:30,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:57:30,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:57:30,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:57:30,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:57:30,439 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 07:57:30,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 07:57:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 07:57:30,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 07:57:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:57:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:57:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:57:30,440 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-14 07:57:30,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-14 07:57:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:57:30,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:57:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:57:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 07:57:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:57:30,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:57:30,558 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:57:30,560 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:57:30,683 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:57:30,705 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:57:30,705 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 07:57:30,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:57:30 BoogieIcfgContainer [2022-12-14 07:57:30,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:57:30,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:57:30,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:57:30,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:57:30,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:57:29" (1/3) ... [2022-12-14 07:57:30,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f287288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:57:30, skipping insertion in model container [2022-12-14 07:57:30,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:57:30" (2/3) ... [2022-12-14 07:57:30,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f287288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:57:30, skipping insertion in model container [2022-12-14 07:57:30,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:57:30" (3/3) ... [2022-12-14 07:57:30,714 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_44_good.i [2022-12-14 07:57:30,728 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:57:30,729 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 07:57:30,765 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:57:30,770 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;@502d85ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:57:30,771 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-14 07:57:30,774 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 22 states have internal predecessors, (23), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-12-14 07:57:30,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 07:57:30,780 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:57:30,781 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:57:30,781 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 07:57:30,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:57:30,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1012850391, now seen corresponding path program 1 times [2022-12-14 07:57:30,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:57:30,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105485785] [2022-12-14 07:57:30,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:57:30,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:57:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:57:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:57:31,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:57:31,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105485785] [2022-12-14 07:57:31,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105485785] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:57:31,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:57:31,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:57:31,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351803826] [2022-12-14 07:57:31,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:57:31,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:57:31,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:57:31,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:57:31,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:57:31,053 INFO L87 Difference]: Start difference. First operand has 32 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 22 states have internal predecessors, (23), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:57:31,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:57:31,143 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2022-12-14 07:57:31,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:57:31,145 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-12-14 07:57:31,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:57:31,153 INFO L225 Difference]: With dead ends: 52 [2022-12-14 07:57:31,153 INFO L226 Difference]: Without dead ends: 39 [2022-12-14 07:57:31,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:57:31,159 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 36 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:57:31,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 133 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:57:31,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-12-14 07:57:31,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35. [2022-12-14 07:57:31,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 26 states have internal predecessors, (29), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-14 07:57:31,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2022-12-14 07:57:31,197 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 9 [2022-12-14 07:57:31,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:57:31,198 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2022-12-14 07:57:31,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:57:31,198 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-12-14 07:57:31,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 07:57:31,199 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:57:31,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:57:31,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:57:31,200 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 07:57:31,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:57:31,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1333576267, now seen corresponding path program 1 times [2022-12-14 07:57:31,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:57:31,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981345549] [2022-12-14 07:57:31,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:57:31,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:57:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:57:31,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:57:31,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:57:31,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981345549] [2022-12-14 07:57:31,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981345549] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:57:31,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:57:31,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:57:31,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704697797] [2022-12-14 07:57:31,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:57:31,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:57:31,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:57:31,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:57:31,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:57:31,317 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:57:31,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:57:31,375 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2022-12-14 07:57:31,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:57:31,376 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-12-14 07:57:31,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:57:31,377 INFO L225 Difference]: With dead ends: 55 [2022-12-14 07:57:31,377 INFO L226 Difference]: Without dead ends: 36 [2022-12-14 07:57:31,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:57:31,379 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 26 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:57:31,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 80 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:57:31,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-12-14 07:57:31,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2022-12-14 07:57:31,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 25 states have internal predecessors, (26), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:57:31,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2022-12-14 07:57:31,385 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 10 [2022-12-14 07:57:31,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:57:31,385 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2022-12-14 07:57:31,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 07:57:31,386 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2022-12-14 07:57:31,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 07:57:31,386 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:57:31,386 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:57:31,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:57:31,387 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 07:57:31,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:57:31,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1442260001, now seen corresponding path program 1 times [2022-12-14 07:57:31,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:57:31,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360276031] [2022-12-14 07:57:31,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:57:31,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:57:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:57:31,602 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:57:31,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:57:31,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360276031] [2022-12-14 07:57:31,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360276031] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:57:31,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:57:31,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:57:31,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68847102] [2022-12-14 07:57:31,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:57:31,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:57:31,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:57:31,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:57:31,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:57:31,605 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 07:57:31,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:57:31,650 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2022-12-14 07:57:31,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:57:31,650 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2022-12-14 07:57:31,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:57:31,651 INFO L225 Difference]: With dead ends: 34 [2022-12-14 07:57:31,651 INFO L226 Difference]: Without dead ends: 33 [2022-12-14 07:57:31,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:57:31,653 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 19 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:57:31,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 109 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:57:31,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-14 07:57:31,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-12-14 07:57:31,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 24 states have internal predecessors, (25), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:57:31,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2022-12-14 07:57:31,659 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 21 [2022-12-14 07:57:31,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:57:31,659 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2022-12-14 07:57:31,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 07:57:31,660 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2022-12-14 07:57:31,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 07:57:31,660 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:57:31,660 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:57:31,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 07:57:31,661 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 07:57:31,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:57:31,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1760372289, now seen corresponding path program 1 times [2022-12-14 07:57:31,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:57:31,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745580144] [2022-12-14 07:57:31,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:57:31,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:57:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:57:31,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:57:31,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:57:31,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745580144] [2022-12-14 07:57:31,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745580144] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:57:31,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:57:31,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:57:31,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051391534] [2022-12-14 07:57:31,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:57:31,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:57:31,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:57:31,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:57:31,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:57:31,798 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 6 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 07:57:31,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:57:31,841 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2022-12-14 07:57:31,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:57:31,841 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2022-12-14 07:57:31,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:57:31,842 INFO L225 Difference]: With dead ends: 33 [2022-12-14 07:57:31,842 INFO L226 Difference]: Without dead ends: 32 [2022-12-14 07:57:31,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:57:31,843 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 17 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:57:31,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 102 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:57:31,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-12-14 07:57:31,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-12-14 07:57:31,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 23 states have internal predecessors, (24), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:57:31,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2022-12-14 07:57:31,849 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 22 [2022-12-14 07:57:31,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:57:31,850 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2022-12-14 07:57:31,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 07:57:31,850 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2022-12-14 07:57:31,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 07:57:31,851 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:57:31,851 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:57:31,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 07:57:31,851 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 07:57:31,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:57:31,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1760387152, now seen corresponding path program 1 times [2022-12-14 07:57:31,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:57:31,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234896019] [2022-12-14 07:57:31,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:57:31,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:57:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:57:31,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 07:57:31,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:57:31,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234896019] [2022-12-14 07:57:31,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234896019] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:57:31,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:57:31,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:57:31,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649815761] [2022-12-14 07:57:31,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:57:31,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:57:31,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:57:31,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:57:31,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:57:31,971 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 07:57:31,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:57:31,998 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2022-12-14 07:57:31,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:57:31,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2022-12-14 07:57:31,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:57:31,999 INFO L225 Difference]: With dead ends: 34 [2022-12-14 07:57:31,999 INFO L226 Difference]: Without dead ends: 31 [2022-12-14 07:57:32,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:57:32,000 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 6 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:57:32,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 56 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:57:32,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-12-14 07:57:32,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2022-12-14 07:57:32,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-14 07:57:32,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2022-12-14 07:57:32,004 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 22 [2022-12-14 07:57:32,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:57:32,004 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2022-12-14 07:57:32,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 07:57:32,005 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2022-12-14 07:57:32,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 07:57:32,005 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:57:32,005 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:57:32,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 07:57:32,006 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-12-14 07:57:32,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:57:32,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1263033820, now seen corresponding path program 1 times [2022-12-14 07:57:32,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:57:32,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277637042] [2022-12-14 07:57:32,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:57:32,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:57:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:57:32,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 07:57:32,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:57:32,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277637042] [2022-12-14 07:57:32,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277637042] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:57:32,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:57:32,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 07:57:32,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192685202] [2022-12-14 07:57:32,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:57:32,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:57:32,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:57:32,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:57:32,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:57:32,047 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 07:57:32,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:57:32,063 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2022-12-14 07:57:32,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:57:32,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2022-12-14 07:57:32,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:57:32,064 INFO L225 Difference]: With dead ends: 31 [2022-12-14 07:57:32,065 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 07:57:32,065 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 [2022-12-14 07:57:32,066 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 3 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:57:32,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 39 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 07:57:32,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 07:57:32,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 07:57:32,067 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) [2022-12-14 07:57:32,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 07:57:32,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-12-14 07:57:32,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:57:32,067 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 07:57:32,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-14 07:57:32,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 07:57:32,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 07:57:32,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-12-14 07:57:32,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-12-14 07:57:32,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-12-14 07:57:32,071 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-12-14 07:57:32,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 07:57:32,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 07:57:32,127 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-14 07:57:32,127 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-14 07:57:32,127 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-14 07:57:32,127 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-14 07:57:32,127 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 07:57:32,127 INFO L895 garLoopResultBuilder]: At program point L1561(line 1561) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-12-14 07:57:32,128 INFO L895 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-12-14 07:57:32,128 INFO L899 garLoopResultBuilder]: For program point L1561-1(lines 1555 1562) no Hoare annotation was computed. [2022-12-14 07:57:32,128 INFO L895 garLoopResultBuilder]: At program point L1593-1(line 1593) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2022-12-14 07:57:32,128 INFO L902 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: true [2022-12-14 07:57:32,128 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2022-12-14 07:57:32,128 INFO L895 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: (and (= |ULTIMATE.start_goodG2B_~data~0#1| 2) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~goodB2GSink.base|) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~goodB2GSink.offset|) (<= |#funAddr~goodB2GSink.offset| |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset|) (<= |#funAddr~goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|) (<= 0 (+ |ULTIMATE.start_goodB2G_#t~mem95#1| 2147483648))) [2022-12-14 07:57:32,128 INFO L899 garLoopResultBuilder]: For program point L1581-1(line 1581) no Hoare annotation was computed. [2022-12-14 07:57:32,128 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 07:57:32,129 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-12-14 07:57:32,129 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2022-12-14 07:57:32,129 INFO L899 garLoopResultBuilder]: For program point L1565(lines 1565 1573) no Hoare annotation was computed. [2022-12-14 07:57:32,129 INFO L899 garLoopResultBuilder]: For program point L1551(line 1551) no Hoare annotation was computed. [2022-12-14 07:57:32,129 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1551) no Hoare annotation was computed. [2022-12-14 07:57:32,129 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1567) no Hoare annotation was computed. [2022-12-14 07:57:32,129 INFO L899 garLoopResultBuilder]: For program point L1551-1(line 1551) no Hoare annotation was computed. [2022-12-14 07:57:32,129 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-12-14 07:57:32,129 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 07:57:32,129 INFO L895 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: (not (= 2 |##fun~int~TO~VOID_#in~94#1|)) [2022-12-14 07:57:32,130 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 1563 1574) no Hoare annotation was computed. [2022-12-14 07:57:32,130 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: (or (not (= 2 |##fun~int~TO~VOID_#in~94#1|)) (and (< |##fun~int~TO~VOID_#in~#fp#1.base| (+ |#funAddr~goodB2GSink.base| 1)) (= 2 |##fun~int~TO~VOID_#~94#1|) (= |##fun~int~TO~VOID_goodB2GSink_~data#1| 2) (<= |#funAddr~goodB2GSink.offset| |##fun~int~TO~VOID_#in~#fp#1.offset|) (<= |#funAddr~goodB2GSink.base| |##fun~int~TO~VOID_#in~#fp#1.base|) (< |##fun~int~TO~VOID_#in~#fp#1.offset| (+ |#funAddr~goodB2GSink.offset| 1)))) [2022-12-14 07:57:32,130 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 07:57:32,130 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-12-14 07:57:32,130 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1551) no Hoare annotation was computed. [2022-12-14 07:57:32,130 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (or (and (= |##fun~int~TO~VOID_goodG2BSink_~data#1| 2) (= 2 |##fun~int~TO~VOID_#~94#1|)) (not (= 2 |##fun~int~TO~VOID_#in~94#1|))) [2022-12-14 07:57:32,130 INFO L899 garLoopResultBuilder]: For program point L1552-1(lines 1548 1554) no Hoare annotation was computed. [2022-12-14 07:57:32,131 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1567) no Hoare annotation was computed. [2022-12-14 07:57:32,133 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-14 07:57:32,135 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:57:32,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:57:32 BoogieIcfgContainer [2022-12-14 07:57:32,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 07:57:32,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 07:57:32,143 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 07:57:32,144 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 07:57:32,144 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:57:30" (3/4) ... [2022-12-14 07:57:32,146 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 07:57:32,150 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 07:57:32,150 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 07:57:32,150 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-12-14 07:57:32,153 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-14 07:57:32,153 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-14 07:57:32,153 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 07:57:32,154 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 07:57:32,176 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 07:57:32,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 07:57:32,177 INFO L158 Benchmark]: Toolchain (without parser) took 2837.94ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 107.9MB in the beginning and 134.7MB in the end (delta: -26.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 07:57:32,177 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 144.7MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:57:32,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 977.12ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 107.9MB in the beginning and 144.0MB in the end (delta: -36.1MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2022-12-14 07:57:32,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.68ms. Allocated memory is still 180.4MB. Free memory was 144.0MB in the beginning and 139.7MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 07:57:32,178 INFO L158 Benchmark]: Boogie Preprocessor took 19.26ms. Allocated memory is still 180.4MB. Free memory was 139.7MB in the beginning and 137.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:57:32,178 INFO L158 Benchmark]: RCFGBuilder took 327.95ms. Allocated memory is still 180.4MB. Free memory was 137.7MB in the beginning and 122.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 07:57:32,178 INFO L158 Benchmark]: TraceAbstraction took 1433.77ms. Allocated memory is still 180.4MB. Free memory was 122.0MB in the beginning and 136.8MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:57:32,179 INFO L158 Benchmark]: Witness Printer took 33.46ms. Allocated memory is still 180.4MB. Free memory was 136.8MB in the beginning and 134.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 07:57:32,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 144.7MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 977.12ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 107.9MB in the beginning and 144.0MB in the end (delta: -36.1MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.68ms. Allocated memory is still 180.4MB. Free memory was 144.0MB in the beginning and 139.7MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.26ms. Allocated memory is still 180.4MB. Free memory was 139.7MB in the beginning and 137.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 327.95ms. Allocated memory is still 180.4MB. Free memory was 137.7MB in the beginning and 122.0MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1433.77ms. Allocated memory is still 180.4MB. Free memory was 122.0MB in the beginning and 136.8MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 33.46ms. Allocated memory is still 180.4MB. Free memory was 136.8MB in the beginning and 134.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 519 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 373 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 212 IncrementalHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 146 mSDtfsCounter, 212 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=1, InterpolantAutomatonStates: 31, 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, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 25 PreInvPairs, 26 NumberOfFragments, 78 HoareAnnotationTreeSize, 25 FomulaSimplifications, 3 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 203 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 11/11 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1593]: Loop Invariant Derived loop invariant: data == 2 RESULT: Ultimate proved your program to be correct! [2022-12-14 07:57:32,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b0a7e3-9240-4066-a2ec-39aecd875ec1/bin/utaipan-gh47qXpMRh/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