./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a36b2a0713cd9036b39fc704100e90e241bd08be315917bcc8beee8d54893403 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:26:38,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:26:38,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:26:38,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:26:38,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:26:38,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:26:38,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:26:38,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:26:38,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:26:38,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:26:38,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:26:38,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:26:38,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:26:38,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:26:38,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:26:38,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:26:38,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:26:38,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:26:38,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:26:38,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:26:38,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:26:38,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:26:38,146 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:26:38,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:26:38,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:26:38,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:26:38,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:26:38,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:26:38,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:26:38,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:26:38,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:26:38,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:26:38,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:26:38,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:26:38,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:26:38,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:26:38,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:26:38,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:26:38,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:26:38,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:26:38,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:26:38,172 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:26:38,214 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:26:38,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:26:38,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:26:38,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:26:38,216 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:26:38,216 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:26:38,217 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:26:38,217 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:26:38,217 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:26:38,217 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:26:38,218 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:26:38,218 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:26:38,219 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:26:38,219 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:26:38,219 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:26:38,219 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:26:38,219 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:26:38,219 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:26:38,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:26:38,221 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:26:38,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:26:38,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:26:38,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:26:38,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:26:38,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:26:38,222 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:26:38,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:26:38,222 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:26:38,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:26:38,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:26:38,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:26:38,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:26:38,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:26:38,224 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:26:38,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:26:38,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:26:38,225 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:26:38,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:26:38,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:26:38,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:26:38,225 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_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a36b2a0713cd9036b39fc704100e90e241bd08be315917bcc8beee8d54893403 [2022-11-25 23:26:38,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:26:38,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:26:38,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:26:38,523 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:26:38,523 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:26:38,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_08_bad.i [2022-11-25 23:26:41,704 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:26:42,124 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:26:42,125 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_08_bad.i [2022-11-25 23:26:42,147 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur/data/6c0769376/e2c56692da2d4dde9a03f77b3b7c2519/FLAG855eb0c7a [2022-11-25 23:26:42,161 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur/data/6c0769376/e2c56692da2d4dde9a03f77b3b7c2519 [2022-11-25 23:26:42,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:26:42,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:26:42,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:26:42,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:26:42,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:26:42,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:26:42" (1/1) ... [2022-11-25 23:26:42,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fcee236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:42, skipping insertion in model container [2022-11-25 23:26:42,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:26:42" (1/1) ... [2022-11-25 23:26:42,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:26:42,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:26:42,611 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:26:43,114 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:26:43,120 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:26:43,122 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:26:43,125 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:26:43,126 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:26:43,160 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:26:43,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:26:43,180 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:26:43,218 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:26:43,311 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:26:43,320 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:26:43,322 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:26:43,331 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:26:43,333 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:26:43,347 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:26:43,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:26:43,563 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:26:43,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:43 WrapperNode [2022-11-25 23:26:43,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:26:43,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:26:43,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:26:43,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:26:43,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:43" (1/1) ... [2022-11-25 23:26:43,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:43" (1/1) ... [2022-11-25 23:26:43,624 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-11-25 23:26:43,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:26:43,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:26:43,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:26:43,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:26:43,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:43" (1/1) ... [2022-11-25 23:26:43,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:43" (1/1) ... [2022-11-25 23:26:43,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:43" (1/1) ... [2022-11-25 23:26:43,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:43" (1/1) ... [2022-11-25 23:26:43,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:43" (1/1) ... [2022-11-25 23:26:43,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:43" (1/1) ... [2022-11-25 23:26:43,649 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:43" (1/1) ... [2022-11-25 23:26:43,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:43" (1/1) ... [2022-11-25 23:26:43,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:26:43,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:26:43,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:26:43,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:26:43,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:43" (1/1) ... [2022-11-25 23:26:43,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:26:43,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:26:43,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:26:43,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:26:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:26:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:26:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:26:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:26:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:26:43,777 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-25 23:26:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-25 23:26:43,777 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:26:43,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:26:44,003 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:26:44,005 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:26:44,256 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:26:44,424 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:26:44,429 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:26:44,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:26:44 BoogieIcfgContainer [2022-11-25 23:26:44,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:26:44,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:26:44,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:26:44,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:26:44,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:26:42" (1/3) ... [2022-11-25 23:26:44,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d4cfa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:26:44, skipping insertion in model container [2022-11-25 23:26:44,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:26:43" (2/3) ... [2022-11-25 23:26:44,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d4cfa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:26:44, skipping insertion in model container [2022-11-25 23:26:44,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:26:44" (3/3) ... [2022-11-25 23:26:44,446 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_08_bad.i [2022-11-25 23:26:44,466 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:26:44,466 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:26:44,527 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:26:44,534 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;@1d14245a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:26:44,534 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:26:44,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 23:26:44,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 23:26:44,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:26:44,550 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:26:44,551 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:26:44,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:26:44,560 INFO L85 PathProgramCache]: Analyzing trace with hash -47595731, now seen corresponding path program 1 times [2022-11-25 23:26:44,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:26:44,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127682293] [2022-11-25 23:26:44,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:44,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:26:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:45,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:26:45,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:45,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127682293] [2022-11-25 23:26:45,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127682293] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 23:26:45,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1127727361] [2022-11-25 23:26:45,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:45,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:26:45,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:26:45,352 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:26:45,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e08c9a5a-1bec-46ad-8d0e-a12429c36f3f/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:26:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:45,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:26:45,486 INFO L286 TraceCheckSpWp]: Computing forward predicates...