./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_54_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_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 79cf8047a30b6c893c6e9437fcfc7f6d5552c6d9d71943c86afd27998d4c4c6f --- 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 17:29:33,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:29:33,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:29:33,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:29:33,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:29:33,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:29:33,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:29:33,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:29:33,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:29:33,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:29:33,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:29:33,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:29:33,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:29:33,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:29:33,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:29:33,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:29:33,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:29:33,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:29:33,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:29:33,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:29:33,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:29:33,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:29:33,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:29:33,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:29:33,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:29:33,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:29:33,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:29:33,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:29:33,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:29:33,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:29:33,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:29:33,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:29:33,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:29:33,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:29:33,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:29:33,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:29:33,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:29:33,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:29:33,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:29:33,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:29:33,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:29:33,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:29:33,171 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:29:33,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:29:33,171 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:29:33,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:29:33,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:29:33,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:29:33,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:29:33,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:29:33,174 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:29:33,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:29:33,174 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:29:33,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:29:33,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:29:33,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:29:33,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:29:33,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:29:33,176 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:29:33,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:29:33,176 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:29:33,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:29:33,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:29:33,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:29:33,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:29:33,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:29:33,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:29:33,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:29:33,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:29:33,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:29:33,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:29:33,179 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:29:33,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:29:33,179 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:29:33,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:29:33,179 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79cf8047a30b6c893c6e9437fcfc7f6d5552c6d9d71943c86afd27998d4c4c6f [2022-11-25 17:29:33,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:29:33,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:29:33,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:29:33,496 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:29:33,497 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:29:33,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_54_bad.i [2022-11-25 17:29:36,688 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:29:37,154 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:29:37,155 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_54_bad.i [2022-11-25 17:29:37,188 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/data/ad0311b2c/ff11b7d2882d476a8bf417b6952ba184/FLAG7dd07b4d8 [2022-11-25 17:29:37,212 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/data/ad0311b2c/ff11b7d2882d476a8bf417b6952ba184 [2022-11-25 17:29:37,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:29:37,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:29:37,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:29:37,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:29:37,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:29:37,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:29:37" (1/1) ... [2022-11-25 17:29:37,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22dd774c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:37, skipping insertion in model container [2022-11-25 17:29:37,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:29:37" (1/1) ... [2022-11-25 17:29:37,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:29:37,291 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:29:37,736 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:29:38,154 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:29:38,159 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:29:38,161 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:29:38,164 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:29:38,165 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:29:38,191 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:29:38,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:29:38,215 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:29:38,236 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:29:38,286 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:29:38,288 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:29:38,289 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:29:38,292 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:29:38,293 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:29:38,298 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:29:38,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:29:38,445 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:29:38,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:38 WrapperNode [2022-11-25 17:29:38,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:29:38,447 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:29:38,447 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:29:38,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:29:38,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:38" (1/1) ... [2022-11-25 17:29:38,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:38" (1/1) ... [2022-11-25 17:29:38,553 INFO L138 Inliner]: procedures = 503, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 63 [2022-11-25 17:29:38,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:29:38,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:29:38,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:29:38,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:29:38,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:38" (1/1) ... [2022-11-25 17:29:38,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:38" (1/1) ... [2022-11-25 17:29:38,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:38" (1/1) ... [2022-11-25 17:29:38,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:38" (1/1) ... [2022-11-25 17:29:38,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:38" (1/1) ... [2022-11-25 17:29:38,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:38" (1/1) ... [2022-11-25 17:29:38,612 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:38" (1/1) ... [2022-11-25 17:29:38,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:38" (1/1) ... [2022-11-25 17:29:38,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:29:38,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:29:38,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:29:38,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:29:38,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:38" (1/1) ... [2022-11-25 17:29:38,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:29:38,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:29:38,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:29:38,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:29:38,718 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:29:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:29:38,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:29:38,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:29:38,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:29:38,719 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:29:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:29:38,921 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:29:38,923 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:29:39,134 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:29:39,141 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:29:39,141 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:29:39,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:29:39 BoogieIcfgContainer [2022-11-25 17:29:39,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:29:39,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:29:39,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:29:39,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:29:39,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:29:37" (1/3) ... [2022-11-25 17:29:39,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bef6c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:29:39, skipping insertion in model container [2022-11-25 17:29:39,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:38" (2/3) ... [2022-11-25 17:29:39,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bef6c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:29:39, skipping insertion in model container [2022-11-25 17:29:39,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:29:39" (3/3) ... [2022-11-25 17:29:39,155 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_54_bad.i [2022-11-25 17:29:39,178 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:29:39,178 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:29:39,233 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:29:39,242 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=PETRI_NET, 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;@11492ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:29:39,242 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:29:39,247 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:29:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 17:29:39,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:29:39,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:29:39,260 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:29:39,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:29:39,267 INFO L85 PathProgramCache]: Analyzing trace with hash -586839655, now seen corresponding path program 1 times [2022-11-25 17:29:39,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:29:39,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39965302] [2022-11-25 17:29:39,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:29:39,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:29:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:29:39,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:29:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:29:39,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:29:39,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:29:39,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39965302] [2022-11-25 17:29:39,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39965302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:29:39,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:29:39,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:29:39,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414412984] [2022-11-25 17:29:39,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:29:39,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:29:39,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:29:39,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:29:39,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:29:39,743 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:29:39,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:29:39,803 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2022-11-25 17:29:39,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:29:39,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 17:29:39,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:29:39,818 INFO L225 Difference]: With dead ends: 36 [2022-11-25 17:29:39,819 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 17:29:39,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:29:39,828 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 12 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:29:39,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 57 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:29:39,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 17:29:39,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-25 17:29:39,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:29:39,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-25 17:29:39,861 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-11-25 17:29:39,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:29:39,861 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-25 17:29:39,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:29:39,862 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-25 17:29:39,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 17:29:39,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:29:39,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:29:39,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:29:39,863 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:29:39,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:29:39,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1012160065, now seen corresponding path program 1 times [2022-11-25 17:29:39,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:29:39,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000809758] [2022-11-25 17:29:39,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:29:39,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:29:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:29:39,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:29:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:29:39,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:29:39,971 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:29:39,972 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:29:39,974 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:29:39,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:29:39,979 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 17:29:39,983 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:29:40,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:29:40 BoogieIcfgContainer [2022-11-25 17:29:40,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:29:40,014 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:29:40,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:29:40,014 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:29:40,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:29:39" (3/4) ... [2022-11-25 17:29:40,018 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:29:40,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:29:40,019 INFO L158 Benchmark]: Toolchain (without parser) took 2800.13ms. Allocated memory is still 157.3MB. Free memory was 111.6MB in the beginning and 99.3MB in the end (delta: 12.3MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-11-25 17:29:40,019 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:29:40,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1225.72ms. Allocated memory is still 157.3MB. Free memory was 111.6MB in the beginning and 71.9MB in the end (delta: 39.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-25 17:29:40,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.89ms. Allocated memory is still 157.3MB. Free memory was 71.9MB in the beginning and 68.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:29:40,021 INFO L158 Benchmark]: Boogie Preprocessor took 60.93ms. Allocated memory is still 157.3MB. Free memory was 68.3MB in the beginning and 67.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:29:40,021 INFO L158 Benchmark]: RCFGBuilder took 527.29ms. Allocated memory is still 157.3MB. Free memory was 66.7MB in the beginning and 53.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:29:40,022 INFO L158 Benchmark]: TraceAbstraction took 866.78ms. Allocated memory is still 157.3MB. Free memory was 52.5MB in the beginning and 99.6MB in the end (delta: -47.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:29:40,025 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 157.3MB. Free memory was 99.6MB in the beginning and 99.3MB in the end (delta: 282.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:29:40,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1225.72ms. Allocated memory is still 157.3MB. Free memory was 111.6MB in the beginning and 71.9MB in the end (delta: 39.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.89ms. Allocated memory is still 157.3MB. Free memory was 71.9MB in the beginning and 68.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.93ms. Allocated memory is still 157.3MB. Free memory was 68.3MB in the beginning and 67.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 527.29ms. Allocated memory is still 157.3MB. Free memory was 66.7MB in the beginning and 53.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 866.78ms. Allocated memory is still 157.3MB. Free memory was 52.5MB in the beginning and 99.6MB in the end (delta: -47.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 157.3MB. Free memory was 99.6MB in the beginning and 99.3MB in the end (delta: 282.4kB). There was no memory consumed. 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 - UnprovableResult [Line: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=2147483651, argc=2147483651, argv={2147483649:2147483652}, argv={2147483649:2147483652}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=65536, rand()=0, rand()=2147483647, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483649] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_multiply_54b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_multiply_54c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_multiply_54d_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_rand_multiply_54e_badSink(data) [L1581] COND TRUE data > 0 VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 35 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 17:29:40,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 79cf8047a30b6c893c6e9437fcfc7f6d5552c6d9d71943c86afd27998d4c4c6f --- 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 17:29:42,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:29:42,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:29:42,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:29:42,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:29:42,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:29:42,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:29:42,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:29:42,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:29:42,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:29:42,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:29:42,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:29:42,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:29:42,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:29:42,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:29:42,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:29:42,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:29:42,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:29:42,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:29:42,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:29:42,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:29:42,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:29:42,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:29:42,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:29:42,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:29:42,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:29:42,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:29:42,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:29:42,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:29:42,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:29:42,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:29:42,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:29:42,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:29:42,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:29:42,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:29:42,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:29:42,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:29:42,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:29:42,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:29:42,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:29:42,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:29:42,847 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 17:29:42,894 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:29:42,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:29:42,896 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:29:42,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:29:42,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:29:42,897 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:29:42,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:29:42,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:29:42,898 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:29:42,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:29:42,899 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:29:42,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:29:42,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:29:42,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:29:42,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:29:42,901 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:29:42,901 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:29:42,901 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:29:42,901 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:29:42,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:29:42,902 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:29:42,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:29:42,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:29:42,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:29:42,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:29:42,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:29:42,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:29:42,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:29:42,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:29:42,904 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:29:42,904 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:29:42,904 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:29:42,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:29:42,905 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:29:42,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:29:42,905 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:29:42,905 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79cf8047a30b6c893c6e9437fcfc7f6d5552c6d9d71943c86afd27998d4c4c6f [2022-11-25 17:29:43,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:29:43,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:29:43,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:29:43,370 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:29:43,370 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:29:43,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_54_bad.i [2022-11-25 17:29:46,511 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:29:47,020 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:29:47,021 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_54_bad.i [2022-11-25 17:29:47,044 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/data/5196d3818/1e24052ad40444ba88f165c524ba54e6/FLAG037e31712 [2022-11-25 17:29:47,072 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/data/5196d3818/1e24052ad40444ba88f165c524ba54e6 [2022-11-25 17:29:47,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:29:47,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:29:47,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:29:47,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:29:47,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:29:47,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:29:47" (1/1) ... [2022-11-25 17:29:47,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429e4924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:47, skipping insertion in model container [2022-11-25 17:29:47,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:29:47" (1/1) ... [2022-11-25 17:29:47,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:29:47,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:29:47,635 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:29:48,201 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:29:48,208 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:29:48,209 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:29:48,212 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:29:48,212 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:29:48,235 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:29:48,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:29:48,266 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:29:48,290 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:29:48,340 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:29:48,342 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:29:48,343 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:29:48,345 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:29:48,351 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:29:48,363 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:29:48,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:29:48,548 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:29:48,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:48 WrapperNode [2022-11-25 17:29:48,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:29:48,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:29:48,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:29:48,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:29:48,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:48" (1/1) ... [2022-11-25 17:29:48,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:48" (1/1) ... [2022-11-25 17:29:48,643 INFO L138 Inliner]: procedures = 508, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 63 [2022-11-25 17:29:48,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:29:48,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:29:48,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:29:48,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:29:48,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:48" (1/1) ... [2022-11-25 17:29:48,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:48" (1/1) ... [2022-11-25 17:29:48,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:48" (1/1) ... [2022-11-25 17:29:48,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:48" (1/1) ... [2022-11-25 17:29:48,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:48" (1/1) ... [2022-11-25 17:29:48,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:48" (1/1) ... [2022-11-25 17:29:48,676 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:48" (1/1) ... [2022-11-25 17:29:48,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:48" (1/1) ... [2022-11-25 17:29:48,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:29:48,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:29:48,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:29:48,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:29:48,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:48" (1/1) ... [2022-11-25 17:29:48,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:29:48,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:29:48,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:29:48,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:29:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:29:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:29:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 17:29:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:29:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:29:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:29:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:29:48,950 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:29:48,953 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:29:49,112 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:29:49,119 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:29:49,119 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:29:49,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:29:49 BoogieIcfgContainer [2022-11-25 17:29:49,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:29:49,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:29:49,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:29:49,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:29:49,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:29:47" (1/3) ... [2022-11-25 17:29:49,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aaee2ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:29:49, skipping insertion in model container [2022-11-25 17:29:49,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:29:48" (2/3) ... [2022-11-25 17:29:49,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aaee2ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:29:49, skipping insertion in model container [2022-11-25 17:29:49,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:29:49" (3/3) ... [2022-11-25 17:29:49,132 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_54_bad.i [2022-11-25 17:29:49,172 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:29:49,172 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:29:49,266 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:29:49,274 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=PETRI_NET, 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;@6248455d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:29:49,274 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:29:49,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:29:49,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 17:29:49,288 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:29:49,289 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:29:49,289 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:29:49,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:29:49,295 INFO L85 PathProgramCache]: Analyzing trace with hash -586839655, now seen corresponding path program 1 times [2022-11-25 17:29:49,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:29:49,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733955988] [2022-11-25 17:29:49,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:29:49,309 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:29:49,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:29:49,315 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:29:49,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 17:29:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:29:49,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:29:49,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:29:49,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:29:49,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:29:49,638 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:29:49,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733955988] [2022-11-25 17:29:49,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1733955988] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:29:49,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:29:49,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:29:49,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632438358] [2022-11-25 17:29:49,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:29:49,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:29:49,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:29:49,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:29:49,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:29:49,719 INFO L87 Difference]: Start difference. First operand has 26 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:29:49,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:29:49,776 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2022-11-25 17:29:49,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:29:49,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 17:29:49,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:29:49,789 INFO L225 Difference]: With dead ends: 36 [2022-11-25 17:29:49,790 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 17:29:49,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:29:49,800 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 12 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:29:49,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 54 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:29:49,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 17:29:49,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-25 17:29:49,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:29:49,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-25 17:29:49,842 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-11-25 17:29:49,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:29:49,843 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-25 17:29:49,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:29:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-25 17:29:49,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 17:29:49,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:29:49,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:29:49,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:29:50,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:29:50,071 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:29:50,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:29:50,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1012160065, now seen corresponding path program 1 times [2022-11-25 17:29:50,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:29:50,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1552442602] [2022-11-25 17:29:50,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:29:50,077 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:29:50,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:29:50,079 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:29:50,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 17:29:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:29:50,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:29:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:29:50,280 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 17:29:50,280 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:29:50,283 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:29:50,287 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:29:50,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:29:50,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:29:50,499 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 17:29:50,505 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:29:50,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:29:50 BoogieIcfgContainer [2022-11-25 17:29:50,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:29:50,539 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:29:50,539 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:29:50,539 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:29:50,540 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:29:49" (3/4) ... [2022-11-25 17:29:50,542 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 17:29:50,588 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:29:50,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:29:50,589 INFO L158 Benchmark]: Toolchain (without parser) took 3512.34ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 56.5MB in the beginning and 51.6MB in the end (delta: 4.9MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-11-25 17:29:50,590 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 60.8MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:29:50,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1470.02ms. Allocated memory is still 81.8MB. Free memory was 56.3MB in the beginning and 33.8MB in the end (delta: 22.5MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2022-11-25 17:29:50,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.37ms. Allocated memory is still 81.8MB. Free memory was 33.4MB in the beginning and 53.8MB in the end (delta: -20.4MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-11-25 17:29:50,591 INFO L158 Benchmark]: Boogie Preprocessor took 37.30ms. Allocated memory is still 81.8MB. Free memory was 53.8MB in the beginning and 51.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:29:50,592 INFO L158 Benchmark]: RCFGBuilder took 439.33ms. Allocated memory is still 81.8MB. Free memory was 51.9MB in the beginning and 38.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:29:50,592 INFO L158 Benchmark]: TraceAbstraction took 1413.78ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 38.0MB in the beginning and 54.2MB in the end (delta: -16.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-11-25 17:29:50,593 INFO L158 Benchmark]: Witness Printer took 49.67ms. Allocated memory is still 104.9MB. Free memory was 53.7MB in the beginning and 51.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:29:50,596 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 60.8MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1470.02ms. Allocated memory is still 81.8MB. Free memory was 56.3MB in the beginning and 33.8MB in the end (delta: 22.5MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.37ms. Allocated memory is still 81.8MB. Free memory was 33.4MB in the beginning and 53.8MB in the end (delta: -20.4MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.30ms. Allocated memory is still 81.8MB. Free memory was 53.8MB in the beginning and 51.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 439.33ms. Allocated memory is still 81.8MB. Free memory was 51.9MB in the beginning and 38.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1413.78ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 38.0MB in the beginning and 54.2MB in the end (delta: -16.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Witness Printer took 49.67ms. Allocated memory is still 104.9MB. Free memory was 53.7MB in the beginning and 51.6MB 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 - CounterExampleResult [Line: 1583]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=0, rand()=2, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_multiply_54b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_multiply_54c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_multiply_54d_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_rand_multiply_54e_badSink(data) [L1581] COND TRUE data > 0 VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 32 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be incorrect! [2022-11-25 17:29:50,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56e31db-f1ca-4893-9fd0-6241f2fbc833/bin/uautomizer-ZsLfNo2U6R/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)