./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a60c73bd15d5b2296ee06660d2c74536709da078ba2de36a9c4e8aeb3015f63 --- 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-4e7fbc6 [2022-11-23 15:10:46,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:10:46,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:10:46,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:10:46,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:10:46,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:10:46,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:10:46,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:10:46,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:10:46,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:10:46,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:10:46,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:10:46,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:10:46,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:10:46,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:10:46,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:10:46,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:10:46,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:10:46,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:10:46,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:10:46,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:10:46,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:10:46,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:10:46,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:10:46,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:10:46,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:10:46,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:10:46,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:10:46,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:10:46,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:10:46,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:10:46,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:10:46,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:10:46,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:10:46,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:10:46,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:10:46,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:10:46,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:10:46,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:10:46,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:10:46,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:10:46,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 15:10:46,646 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:10:46,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:10:46,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:10:46,647 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:10:46,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:10:46,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:10:46,648 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:10:46,648 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:10:46,648 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:10:46,648 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:10:46,648 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:10:46,648 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:10:46,649 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:10:46,649 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:10:46,649 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:10:46,649 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:10:46,649 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:10:46,649 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:10:46,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:10:46,650 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:10:46,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:10:46,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:10:46,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:10:46,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:10:46,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:10:46,651 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:10:46,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:10:46,652 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:10:46,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:10:46,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:10:46,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:10:46,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:10:46,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:10:46,653 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:10:46,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:10:46,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:10:46,653 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:10:46,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:10:46,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:10:46,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:10:46,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a60c73bd15d5b2296ee06660d2c74536709da078ba2de36a9c4e8aeb3015f63 [2022-11-23 15:10:46,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:10:46,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:10:46,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:10:46,971 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:10:46,971 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:10:46,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_bad.i [2022-11-23 15:10:50,019 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:10:50,406 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:10:50,407 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_bad.i [2022-11-23 15:10:50,441 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/data/f5bc0cfa5/b0136e1ccd33487cbf8a68470609b173/FLAG838bdbdb8 [2022-11-23 15:10:50,458 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/data/f5bc0cfa5/b0136e1ccd33487cbf8a68470609b173 [2022-11-23 15:10:50,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:10:50,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:10:50,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:10:50,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:10:50,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:10:50,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:10:50" (1/1) ... [2022-11-23 15:10:50,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d1eec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:50, skipping insertion in model container [2022-11-23 15:10:50,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:10:50" (1/1) ... [2022-11-23 15:10:50,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:10:50,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:10:50,997 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:10:51,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:10:51,659 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:10:51,695 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:10:51,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:10:51,927 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:10:51,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:51 WrapperNode [2022-11-23 15:10:51,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:10:51,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:10:51,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:10:51,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:10:51,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:51" (1/1) ... [2022-11-23 15:10:51,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:51" (1/1) ... [2022-11-23 15:10:52,034 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-11-23 15:10:52,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:10:52,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:10:52,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:10:52,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:10:52,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:51" (1/1) ... [2022-11-23 15:10:52,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:51" (1/1) ... [2022-11-23 15:10:52,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:51" (1/1) ... [2022-11-23 15:10:52,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:51" (1/1) ... [2022-11-23 15:10:52,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:51" (1/1) ... [2022-11-23 15:10:52,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:51" (1/1) ... [2022-11-23 15:10:52,104 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:51" (1/1) ... [2022-11-23 15:10:52,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:51" (1/1) ... [2022-11-23 15:10:52,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:10:52,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:10:52,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:10:52,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:10:52,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:51" (1/1) ... [2022-11-23 15:10:52,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:10:52,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:10:52,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:10:52,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:10:52,219 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 15:10:52,220 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 15:10:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:10:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:10:52,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:10:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 15:10:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:10:52,481 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:10:52,484 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:10:52,643 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:10:52,746 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:10:52,747 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 15:10:52,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:10:52 BoogieIcfgContainer [2022-11-23 15:10:52,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:10:52,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:10:52,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:10:52,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:10:52,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:10:50" (1/3) ... [2022-11-23 15:10:52,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41bdf48f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:10:52, skipping insertion in model container [2022-11-23 15:10:52,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:10:51" (2/3) ... [2022-11-23 15:10:52,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41bdf48f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:10:52, skipping insertion in model container [2022-11-23 15:10:52,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:10:52" (3/3) ... [2022-11-23 15:10:52,759 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_02_bad.i [2022-11-23 15:10:52,776 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:10:52,776 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:10:52,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:10:52,823 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6b694e56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:10:52,823 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:10:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 9 states have internal predecessors, (10), 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) [2022-11-23 15:10:52,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 15:10:52,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:52,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 15:10:52,838 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:10:52,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:52,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1963300780, now seen corresponding path program 1 times [2022-11-23 15:10:52,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:52,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778271412] [2022-11-23 15:10:52,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:52,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:10:53,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:10:53,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:10:53,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778271412] [2022-11-23 15:10:53,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778271412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:10:53,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:10:53,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:10:53,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797901758] [2022-11-23 15:10:53,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:10:53,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:10:53,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:10:53,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:10:53,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:10:53,353 INFO L87 Difference]: Start difference. First operand has 13 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 9 states have internal predecessors, (10), 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 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-23 15:10:53,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:10:53,421 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-23 15:10:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:10:53,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 6 [2022-11-23 15:10:53,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:10:53,432 INFO L225 Difference]: With dead ends: 19 [2022-11-23 15:10:53,432 INFO L226 Difference]: Without dead ends: 8 [2022-11-23 15:10:53,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:10:53,441 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 5 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:10:53,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 8 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:10:53,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-23 15:10:53,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-23 15:10:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 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) [2022-11-23 15:10:53,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-23 15:10:53,478 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-23 15:10:53,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:10:53,479 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-23 15:10:53,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-23 15:10:53,479 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-23 15:10:53,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 15:10:53,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:10:53,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:10:53,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:10:53,482 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:10:53,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:10:53,484 INFO L85 PathProgramCache]: Analyzing trace with hash -732781975, now seen corresponding path program 1 times [2022-11-23 15:10:53,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:10:53,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105370698] [2022-11-23 15:10:53,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:10:53,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:10:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:10:53,575 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:10:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:10:53,660 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 15:10:53,660 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:10:53,663 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 15:10:53,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 15:10:53,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:10:53,670 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 15:10:53,674 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:10:53,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:10:53 BoogieIcfgContainer [2022-11-23 15:10:53,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:10:53,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:10:53,715 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:10:53,715 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:10:53,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:10:52" (3/4) ... [2022-11-23 15:10:53,718 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 15:10:53,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:10:53,720 INFO L158 Benchmark]: Toolchain (without parser) took 3257.96ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 133.6MB in the beginning and 122.8MB in the end (delta: 10.8MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2022-11-23 15:10:53,720 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 184.5MB. Free memory was 154.6MB in the beginning and 154.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:10:53,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1464.98ms. Allocated memory is still 184.5MB. Free memory was 133.6MB in the beginning and 75.6MB in the end (delta: 58.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-23 15:10:53,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.03ms. Allocated memory is still 184.5MB. Free memory was 75.6MB in the beginning and 149.4MB in the end (delta: -73.8MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-11-23 15:10:53,728 INFO L158 Benchmark]: Boogie Preprocessor took 87.15ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 149.4MB in the beginning and 189.9MB in the end (delta: -40.5MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2022-11-23 15:10:53,728 INFO L158 Benchmark]: RCFGBuilder took 626.53ms. Allocated memory is still 222.3MB. Free memory was 188.9MB in the beginning and 169.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 15:10:53,730 INFO L158 Benchmark]: TraceAbstraction took 962.07ms. Allocated memory is still 222.3MB. Free memory was 167.9MB in the beginning and 122.8MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-23 15:10:53,730 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 222.3MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:10:53,738 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 184.5MB. Free memory was 154.6MB in the beginning and 154.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1464.98ms. Allocated memory is still 184.5MB. Free memory was 133.6MB in the beginning and 75.6MB in the end (delta: 58.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.03ms. Allocated memory is still 184.5MB. Free memory was 75.6MB in the beginning and 149.4MB in the end (delta: -73.8MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.15ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 149.4MB in the beginning and 189.9MB in the end (delta: -40.5MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * RCFGBuilder took 626.53ms. Allocated memory is still 222.3MB. Free memory was 188.9MB in the beginning and 169.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 962.07ms. Allocated memory is still 222.3MB. Free memory was 167.9MB in the beginning and 122.8MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 222.3MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. 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); [L1567] CALL printLine("Calling bad()...") VAL [#in~line={2:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [#in~argv={2147483650:2147483649}, argc=2147483648, argv={2147483650:2147483649}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~argc-unknown=2147483648] [L1568] CALL CWE190_Integer_Overflow__int_rand_add_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data + 1 VAL [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: 1559]: 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2022-11-23 15:10:53,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/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_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a60c73bd15d5b2296ee06660d2c74536709da078ba2de36a9c4e8aeb3015f63 --- 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-4e7fbc6 [2022-11-23 15:10:56,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:10:56,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:10:56,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:10:56,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:10:56,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:10:56,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:10:56,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:10:56,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:10:56,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:10:56,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:10:56,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:10:56,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:10:56,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:10:56,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:10:56,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:10:56,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:10:56,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:10:56,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:10:56,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:10:56,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:10:56,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:10:56,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:10:56,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:10:56,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:10:56,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:10:56,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:10:56,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:10:56,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:10:56,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:10:56,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:10:56,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:10:56,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:10:56,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:10:56,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:10:56,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:10:56,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:10:56,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:10:56,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:10:56,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:10:56,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:10:56,297 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 15:10:56,350 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:10:56,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:10:56,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:10:56,352 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:10:56,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:10:56,353 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:10:56,353 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:10:56,353 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:10:56,354 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:10:56,354 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:10:56,355 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:10:56,355 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:10:56,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:10:56,356 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:10:56,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:10:56,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:10:56,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:10:56,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:10:56,357 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:10:56,357 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:10:56,358 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:10:56,358 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:10:56,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:10:56,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:10:56,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:10:56,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:10:56,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:10:56,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:10:56,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:10:56,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:10:56,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:10:56,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:10:56,360 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:10:56,361 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:10:56,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:10:56,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:10:56,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:10:56,362 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a60c73bd15d5b2296ee06660d2c74536709da078ba2de36a9c4e8aeb3015f63 [2022-11-23 15:10:56,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:10:56,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:10:56,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:10:56,726 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:10:56,726 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:10:56,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_bad.i [2022-11-23 15:10:59,729 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:11:00,130 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:11:00,131 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_bad.i [2022-11-23 15:11:00,162 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/data/0bd7905bc/70f1fb436f4e4844b1ddf49ecf3c2c18/FLAGb199c7959 [2022-11-23 15:11:00,181 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/data/0bd7905bc/70f1fb436f4e4844b1ddf49ecf3c2c18 [2022-11-23 15:11:00,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:11:00,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:11:00,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:11:00,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:11:00,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:11:00,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:11:00" (1/1) ... [2022-11-23 15:11:00,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38701f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:00, skipping insertion in model container [2022-11-23 15:11:00,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:11:00" (1/1) ... [2022-11-23 15:11:00,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:11:00,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:11:00,779 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:11:01,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:11:01,357 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:11:01,376 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:11:01,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:11:01,610 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:11:01,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:01 WrapperNode [2022-11-23 15:11:01,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:11:01,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:11:01,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:11:01,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:11:01,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:01" (1/1) ... [2022-11-23 15:11:01,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:01" (1/1) ... [2022-11-23 15:11:01,669 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-11-23 15:11:01,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:11:01,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:11:01,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:11:01,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:11:01,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:01" (1/1) ... [2022-11-23 15:11:01,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:01" (1/1) ... [2022-11-23 15:11:01,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:01" (1/1) ... [2022-11-23 15:11:01,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:01" (1/1) ... [2022-11-23 15:11:01,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:01" (1/1) ... [2022-11-23 15:11:01,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:01" (1/1) ... [2022-11-23 15:11:01,721 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:01" (1/1) ... [2022-11-23 15:11:01,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:01" (1/1) ... [2022-11-23 15:11:01,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:11:01,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:11:01,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:11:01,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:11:01,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:01" (1/1) ... [2022-11-23 15:11:01,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:11:01,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:11:01,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:11:01,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:11:01,843 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 15:11:01,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 15:11:01,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 15:11:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:11:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:11:01,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:11:01,845 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 15:11:02,071 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:11:02,073 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:11:02,303 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:11:02,308 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:11:02,309 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 15:11:02,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:11:02 BoogieIcfgContainer [2022-11-23 15:11:02,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:11:02,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:11:02,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:11:02,327 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:11:02,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:11:00" (1/3) ... [2022-11-23 15:11:02,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4891aedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:11:02, skipping insertion in model container [2022-11-23 15:11:02,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:11:01" (2/3) ... [2022-11-23 15:11:02,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4891aedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:11:02, skipping insertion in model container [2022-11-23 15:11:02,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:11:02" (3/3) ... [2022-11-23 15:11:02,333 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_02_bad.i [2022-11-23 15:11:02,352 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:11:02,352 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:11:02,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:11:02,426 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@37e3aff5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:11:02,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:11:02,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 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) [2022-11-23 15:11:02,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 15:11:02,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:02,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:11:02,444 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:11:02,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:02,452 INFO L85 PathProgramCache]: Analyzing trace with hash 2051308032, now seen corresponding path program 1 times [2022-11-23 15:11:02,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:11:02,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2110153974] [2022-11-23 15:11:02,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:02,473 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 [2022-11-23 15:11:02,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:11:02,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:11:02,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:11:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:11:02,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 15:11:02,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:11:02,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:11:02,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:11:02,684 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:11:02,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2110153974] [2022-11-23 15:11:02,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2110153974] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:11:02,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:11:02,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:11:02,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665176100] [2022-11-23 15:11:02,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:11:02,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:11:02,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:11:02,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:11:02,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:11:02,745 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 18 states have internal predecessors, (22), 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 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-11-23 15:11:02,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:11:02,773 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2022-11-23 15:11:02,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:11:02,775 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 10 [2022-11-23 15:11:02,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:11:02,783 INFO L225 Difference]: With dead ends: 36 [2022-11-23 15:11:02,783 INFO L226 Difference]: Without dead ends: 14 [2022-11-23 15:11:02,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:11:02,791 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:11:02,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:11:02,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-23 15:11:02,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-23 15:11:02,827 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) [2022-11-23 15:11:02,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-23 15:11:02,830 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 10 [2022-11-23 15:11:02,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:11:02,831 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-23 15:11:02,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2022-11-23 15:11:02,834 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-23 15:11:02,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 15:11:02,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:11:02,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:11:02,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:11:03,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:11:03,058 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:11:03,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:11:03,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1714306296, now seen corresponding path program 1 times [2022-11-23 15:11:03,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:11:03,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373011301] [2022-11-23 15:11:03,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:11:03,063 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 [2022-11-23 15:11:03,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:11:03,064 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/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) [2022-11-23 15:11:03,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:11:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:11:03,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:11:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:11:03,265 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-23 15:11:03,283 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:11:03,285 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 15:11:03,286 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 15:11:03,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:11:03,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/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 [2022-11-23 15:11:03,490 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 15:11:03,494 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:11:03,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:11:03 BoogieIcfgContainer [2022-11-23 15:11:03,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:11:03,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:11:03,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:11:03,528 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:11:03,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:11:02" (3/4) ... [2022-11-23 15:11:03,530 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 15:11:03,571 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:11:03,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:11:03,572 INFO L158 Benchmark]: Toolchain (without parser) took 3386.11ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 53.7MB in the beginning and 70.7MB in the end (delta: -17.0MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-11-23 15:11:03,573 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 79.7MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:11:03,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1423.83ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 53.4MB in the beginning and 57.1MB in the end (delta: -3.7MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-11-23 15:11:03,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.43ms. Allocated memory is still 107.0MB. Free memory was 57.1MB in the beginning and 54.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:11:03,574 INFO L158 Benchmark]: Boogie Preprocessor took 55.55ms. Allocated memory is still 107.0MB. Free memory was 54.0MB in the beginning and 52.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:11:03,575 INFO L158 Benchmark]: RCFGBuilder took 593.13ms. Allocated memory is still 107.0MB. Free memory was 52.0MB in the beginning and 69.0MB in the end (delta: -17.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2022-11-23 15:11:03,575 INFO L158 Benchmark]: TraceAbstraction took 1205.39ms. Allocated memory is still 107.0MB. Free memory was 68.7MB in the beginning and 73.4MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:11:03,576 INFO L158 Benchmark]: Witness Printer took 44.17ms. Allocated memory is still 107.0MB. Free memory was 73.4MB in the beginning and 70.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:11:03,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 79.7MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1423.83ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 53.4MB in the beginning and 57.1MB in the end (delta: -3.7MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.43ms. Allocated memory is still 107.0MB. Free memory was 57.1MB in the beginning and 54.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.55ms. Allocated memory is still 107.0MB. Free memory was 54.0MB in the beginning and 52.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 593.13ms. Allocated memory is still 107.0MB. Free memory was 52.0MB in the beginning and 69.0MB in the end (delta: -17.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1205.39ms. Allocated memory is still 107.0MB. Free memory was 68.7MB in the beginning and 73.4MB in the end (delta: -4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 44.17ms. Allocated memory is still 107.0MB. Free memory was 73.4MB in the beginning and 70.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1559]: 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] [L1567] CALL printLine("Calling bad()...") VAL [#in~line={2:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [#in~argv={13:12}, argc=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, unknown-#in~argc-unknown=12] [L1568] CALL CWE190_Integer_Overflow__int_rand_add_02_bad() [L1550] int data; [L1551] data = 0 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] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] 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()=1, rand()=1073741823, rand()=32768, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data + 1 VAL [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: 1559]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 41 ConjunctsInSsa, 1 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! [2022-11-23 15:11:03,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4042704e-7fee-43f0-891d-23ed616e51e7/bin/utaipan-Q6hlc19bkW/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)