./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_03_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_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/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_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/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_27820646-72e7-433e-bfac-47b27ac61e69/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 75a831093241da40ba27aaa90120f843977fbfa6d24673ec54cf7d8804c41f65 --- 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 15:04:01,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:04:01,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:04:01,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:04:01,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:04:01,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:04:01,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:04:01,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:04:01,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:04:01,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:04:01,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:04:01,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:04:01,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:04:01,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:04:01,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:04:01,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:04:01,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:04:01,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:04:01,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:04:01,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:04:01,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:04:01,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:04:01,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:04:01,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:04:01,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:04:01,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:04:01,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:04:01,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:04:01,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:04:01,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:04:01,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:04:01,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:04:01,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:04:01,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:04:01,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:04:01,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:04:01,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:04:01,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:04:01,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:04:01,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:04:01,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:04:01,692 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 15:04:01,735 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:04:01,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:04:01,736 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:04:01,736 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:04:01,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:04:01,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:04:01,737 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:04:01,737 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:04:01,737 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:04:01,738 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:04:01,738 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:04:01,738 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:04:01,738 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:04:01,739 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:04:01,739 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:04:01,739 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:04:01,739 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:04:01,740 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:04:01,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:04:01,741 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:04:01,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:04:01,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:04:01,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:04:01,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:04:01,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:04:01,742 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:04:01,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:04:01,743 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:04:01,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:04:01,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:04:01,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:04:01,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:04:01,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:04:01,744 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:04:01,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:04:01,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:04:01,745 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:04:01,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:04:01,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:04:01,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:04:01,746 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_27820646-72e7-433e-bfac-47b27ac61e69/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75a831093241da40ba27aaa90120f843977fbfa6d24673ec54cf7d8804c41f65 [2022-11-23 15:04:02,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:04:02,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:04:02,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:04:02,083 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:04:02,083 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:04:02,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_03_bad.i [2022-11-23 15:04:05,265 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:04:05,694 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:04:05,697 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_03_bad.i [2022-11-23 15:04:05,727 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/data/5d647a694/358f8d8e950c4cf8af2838071535fd07/FLAG53de5b153 [2022-11-23 15:04:05,745 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/data/5d647a694/358f8d8e950c4cf8af2838071535fd07 [2022-11-23 15:04:05,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:04:05,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:04:05,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:04:05,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:04:05,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:04:05,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:05" (1/1) ... [2022-11-23 15:04:05,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a35c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:05, skipping insertion in model container [2022-11-23 15:04:05,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:05" (1/1) ... [2022-11-23 15:04:05,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:04:05,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:04:06,301 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:04:06,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:04:06,799 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:04:06,836 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:04:06,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:04:07,036 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:04:07,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:07 WrapperNode [2022-11-23 15:04:07,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:04:07,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:04:07,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:04:07,039 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:04:07,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:07" (1/1) ... [2022-11-23 15:04:07,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:07" (1/1) ... [2022-11-23 15:04:07,126 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-11-23 15:04:07,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:04:07,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:04:07,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:04:07,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:04:07,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:07" (1/1) ... [2022-11-23 15:04:07,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:07" (1/1) ... [2022-11-23 15:04:07,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:07" (1/1) ... [2022-11-23 15:04:07,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:07" (1/1) ... [2022-11-23 15:04:07,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:07" (1/1) ... [2022-11-23 15:04:07,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:07" (1/1) ... [2022-11-23 15:04:07,176 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:07" (1/1) ... [2022-11-23 15:04:07,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:07" (1/1) ... [2022-11-23 15:04:07,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:04:07,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:04:07,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:04:07,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:04:07,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:07" (1/1) ... [2022-11-23 15:04:07,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:04:07,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:04:07,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:04:07,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:04:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 15:04:07,285 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 15:04:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:04:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:04:07,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:04:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 15:04:07,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:04:07,426 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:04:07,428 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:04:07,589 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:04:07,802 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:04:07,803 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 15:04:07,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:07 BoogieIcfgContainer [2022-11-23 15:04:07,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:04:07,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:04:07,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:04:07,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:04:07,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:04:05" (1/3) ... [2022-11-23 15:04:07,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27205961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:04:07, skipping insertion in model container [2022-11-23 15:04:07,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:07" (2/3) ... [2022-11-23 15:04:07,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27205961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:04:07, skipping insertion in model container [2022-11-23 15:04:07,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:07" (3/3) ... [2022-11-23 15:04:07,815 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_03_bad.i [2022-11-23 15:04:07,837 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:04:07,837 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:04:07,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:04:07,896 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;@533b072b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:04:07,896 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:04:07,900 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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 15:04:07,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 15:04:07,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:07,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:04:07,910 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:04:07,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:07,944 INFO L85 PathProgramCache]: Analyzing trace with hash 184305098, now seen corresponding path program 1 times [2022-11-23 15:04:07,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:07,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864354281] [2022-11-23 15:04:07,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:07,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:08,461 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 15:04:08,462 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:04:08,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864354281] [2022-11-23 15:04:08,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864354281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:04:08,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:04:08,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:04:08,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453407345] [2022-11-23 15:04:08,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:04:08,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:04:08,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:04:08,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:04:08,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:04:08,523 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 15:04:08,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:08,613 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-11-23 15:04:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:04:08,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) Word has length 7 [2022-11-23 15:04:08,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:08,623 INFO L225 Difference]: With dead ends: 20 [2022-11-23 15:04:08,623 INFO L226 Difference]: Without dead ends: 9 [2022-11-23 15:04:08,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:04:08,630 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:04:08,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 13 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:04:08,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-23 15:04:08,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-23 15:04:08,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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 15:04:08,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-11-23 15:04:08,670 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-11-23 15:04:08,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:08,671 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-11-23 15:04:08,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 15:04:08,672 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-11-23 15:04:08,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 15:04:08,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:08,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:04:08,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:04:08,674 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:04:08,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:08,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1418490804, now seen corresponding path program 1 times [2022-11-23 15:04:08,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:04:08,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880337442] [2022-11-23 15:04:08,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:08,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:04:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:04:08,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:04:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:04:08,850 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 15:04:08,850 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:04:08,852 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 15:04:08,854 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 15:04:08,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:04:08,859 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 15:04:08,864 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:04:08,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:04:08 BoogieIcfgContainer [2022-11-23 15:04:08,908 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:04:08,909 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:04:08,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:04:08,909 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:04:08,910 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:07" (3/4) ... [2022-11-23 15:04:08,914 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 15:04:08,914 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:04:08,915 INFO L158 Benchmark]: Toolchain (without parser) took 3162.68ms. Allocated memory is still 163.6MB. Free memory was 115.6MB in the beginning and 81.6MB in the end (delta: 34.0MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2022-11-23 15:04:08,915 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:04:08,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1282.25ms. Allocated memory is still 163.6MB. Free memory was 115.1MB in the beginning and 92.7MB in the end (delta: 22.5MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2022-11-23 15:04:08,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.06ms. Allocated memory is still 163.6MB. Free memory was 92.7MB in the beginning and 89.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:04:08,921 INFO L158 Benchmark]: Boogie Preprocessor took 56.10ms. Allocated memory is still 163.6MB. Free memory was 89.8MB in the beginning and 88.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:04:08,924 INFO L158 Benchmark]: RCFGBuilder took 619.04ms. Allocated memory is still 163.6MB. Free memory was 88.5MB in the beginning and 68.4MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 15:04:08,925 INFO L158 Benchmark]: TraceAbstraction took 1100.35ms. Allocated memory is still 163.6MB. Free memory was 67.5MB in the beginning and 82.7MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:04:08,926 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 163.6MB. Free memory was 82.7MB in the beginning and 81.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:04:08,933 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 125.8MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1282.25ms. Allocated memory is still 163.6MB. Free memory was 115.1MB in the beginning and 92.7MB in the end (delta: 22.5MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.06ms. Allocated memory is still 163.6MB. Free memory was 92.7MB in the beginning and 89.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.10ms. Allocated memory is still 163.6MB. Free memory was 89.8MB in the beginning and 88.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 619.04ms. Allocated memory is still 163.6MB. Free memory was 88.5MB in the beginning and 68.4MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1100.35ms. Allocated memory is still 163.6MB. Free memory was 67.5MB in the beginning and 82.7MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 163.6MB. Free memory was 82.7MB in the beginning and 81.6MB in the end (delta: 1.0MB). 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE190_Integer_Overflow__int_rand_postinc_03_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++ VAL [data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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 15:04:08,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/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_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/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_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/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_27820646-72e7-433e-bfac-47b27ac61e69/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 75a831093241da40ba27aaa90120f843977fbfa6d24673ec54cf7d8804c41f65 --- 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 15:04:11,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:04:11,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:04:11,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:04:11,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:04:11,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:04:11,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:04:11,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:04:11,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:04:11,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:04:11,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:04:11,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:04:11,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:04:11,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:04:11,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:04:11,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:04:11,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:04:11,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:04:11,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:04:11,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:04:11,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:04:11,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:04:11,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:04:11,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:04:11,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:04:11,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:04:11,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:04:11,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:04:11,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:04:11,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:04:11,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:04:11,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:04:11,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:04:11,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:04:11,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:04:11,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:04:11,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:04:11,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:04:11,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:04:11,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:04:11,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:04:11,691 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 15:04:11,715 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:04:11,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:04:11,715 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:04:11,716 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:04:11,717 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:04:11,717 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:04:11,717 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:04:11,717 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:04:11,718 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:04:11,718 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:04:11,718 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:04:11,718 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:04:11,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:04:11,720 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:04:11,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:04:11,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:04:11,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:04:11,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:04:11,721 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:04:11,721 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:04:11,721 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:04:11,721 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:04:11,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:04:11,722 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:04:11,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:04:11,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:04:11,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:04:11,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:04:11,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:04:11,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:04:11,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:04:11,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:04:11,724 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:04:11,724 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:04:11,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:04:11,725 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:04:11,725 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:04:11,725 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_27820646-72e7-433e-bfac-47b27ac61e69/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75a831093241da40ba27aaa90120f843977fbfa6d24673ec54cf7d8804c41f65 [2022-11-23 15:04:12,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:04:12,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:04:12,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:04:12,167 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:04:12,168 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:04:12,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_03_bad.i [2022-11-23 15:04:15,209 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:04:15,648 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:04:15,654 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_03_bad.i [2022-11-23 15:04:15,686 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/data/bb5b22313/213627009a7646a2b1e32d24479fcac1/FLAGd12ad88af [2022-11-23 15:04:15,710 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/data/bb5b22313/213627009a7646a2b1e32d24479fcac1 [2022-11-23 15:04:15,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:04:15,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:04:15,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:04:15,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:04:15,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:04:15,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:15" (1/1) ... [2022-11-23 15:04:15,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78072de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:15, skipping insertion in model container [2022-11-23 15:04:15,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:15" (1/1) ... [2022-11-23 15:04:15,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:04:15,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:04:16,227 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:04:16,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:04:16,757 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:04:16,779 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:04:16,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:04:17,050 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:04:17,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:17 WrapperNode [2022-11-23 15:04:17,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:04:17,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:04:17,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:04:17,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:04:17,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:17" (1/1) ... [2022-11-23 15:04:17,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:17" (1/1) ... [2022-11-23 15:04:17,118 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-11-23 15:04:17,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:04:17,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:04:17,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:04:17,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:04:17,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:17" (1/1) ... [2022-11-23 15:04:17,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:17" (1/1) ... [2022-11-23 15:04:17,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:17" (1/1) ... [2022-11-23 15:04:17,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:17" (1/1) ... [2022-11-23 15:04:17,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:17" (1/1) ... [2022-11-23 15:04:17,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:17" (1/1) ... [2022-11-23 15:04:17,147 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:17" (1/1) ... [2022-11-23 15:04:17,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:17" (1/1) ... [2022-11-23 15:04:17,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:04:17,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:04:17,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:04:17,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:04:17,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:17" (1/1) ... [2022-11-23 15:04:17,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:04:17,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:04:17,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:04:17,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:04:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 15:04:17,238 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 15:04:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 15:04:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:04:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:04:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:04:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 15:04:17,430 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:04:17,433 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:04:17,653 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:04:17,668 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:04:17,669 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 15:04:17,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:17 BoogieIcfgContainer [2022-11-23 15:04:17,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:04:17,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:04:17,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:04:17,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:04:17,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:04:15" (1/3) ... [2022-11-23 15:04:17,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd1c10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:04:17, skipping insertion in model container [2022-11-23 15:04:17,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:17" (2/3) ... [2022-11-23 15:04:17,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd1c10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:04:17, skipping insertion in model container [2022-11-23 15:04:17,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:17" (3/3) ... [2022-11-23 15:04:17,685 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_03_bad.i [2022-11-23 15:04:17,708 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:04:17,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:04:17,784 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:04:17,792 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;@3ed88623, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:04:17,793 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:04:17,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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 15:04:17,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 15:04:17,810 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:17,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:04:17,812 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:04:17,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:17,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-11-23 15:04:17,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:04:17,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947919587] [2022-11-23 15:04:17,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:17,840 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 15:04:17,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:04:17,847 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/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 15:04:17,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/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 15:04:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:04:17,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 15:04:17,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:04:18,010 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 15:04:18,010 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:04:18,011 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:04:18,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947919587] [2022-11-23 15:04:18,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947919587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:04:18,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:04:18,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-23 15:04:18,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097119424] [2022-11-23 15:04:18,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:04:18,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:04:18,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:04:18,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:04:18,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:04:18,076 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 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, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 15:04:18,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:04:18,102 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2022-11-23 15:04:18,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:04:18,104 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 11 [2022-11-23 15:04:18,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:04:18,112 INFO L225 Difference]: With dead ends: 38 [2022-11-23 15:04:18,112 INFO L226 Difference]: Without dead ends: 15 [2022-11-23 15:04:18,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 15:04:18,121 INFO L413 NwaCegarLoop]: 24 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, 24 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 15:04:18,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:04:18,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-23 15:04:18,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-23 15:04:18,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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 15:04:18,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-11-23 15:04:18,172 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 11 [2022-11-23 15:04:18,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:04:18,174 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-23 15:04:18,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 15:04:18,175 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-11-23 15:04:18,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 15:04:18,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:04:18,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:04:18,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/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 15:04:18,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/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 15:04:18,390 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:04:18,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:04:18,391 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2022-11-23 15:04:18,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:04:18,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420096027] [2022-11-23 15:04:18,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:04:18,392 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 15:04:18,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:04:18,408 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/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 15:04:18,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/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 15:04:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:04:18,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:04:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:04:18,621 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-23 15:04:18,624 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:04:18,626 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 15:04:18,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 15:04:18,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/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 15:04:18,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/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 15:04:18,850 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 15:04:18,854 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:04:18,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:04:18 BoogieIcfgContainer [2022-11-23 15:04:18,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:04:18,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:04:18,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:04:18,885 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:04:18,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:04:17" (3/4) ... [2022-11-23 15:04:18,888 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-23 15:04:18,928 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:04:18,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:04:18,929 INFO L158 Benchmark]: Toolchain (without parser) took 3214.42ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 56.2MB in the beginning and 61.5MB in the end (delta: -5.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-11-23 15:04:18,930 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 37.3MB in the beginning and 37.3MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:04:18,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1332.82ms. Allocated memory is still 77.6MB. Free memory was 56.0MB in the beginning and 46.0MB in the end (delta: 10.0MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2022-11-23 15:04:18,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.56ms. Allocated memory is still 77.6MB. Free memory was 46.0MB in the beginning and 42.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:04:18,931 INFO L158 Benchmark]: Boogie Preprocessor took 32.76ms. Allocated memory is still 77.6MB. Free memory was 42.8MB in the beginning and 40.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:04:18,932 INFO L158 Benchmark]: RCFGBuilder took 520.29ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 40.9MB in the beginning and 65.9MB in the end (delta: -25.0MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-11-23 15:04:18,932 INFO L158 Benchmark]: TraceAbstraction took 1208.93ms. Allocated memory is still 96.5MB. Free memory was 65.4MB in the beginning and 64.2MB in the end (delta: 1.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-23 15:04:18,933 INFO L158 Benchmark]: Witness Printer took 43.94ms. Allocated memory is still 96.5MB. Free memory was 64.2MB in the beginning and 61.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:04:18,936 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 37.3MB in the beginning and 37.3MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1332.82ms. Allocated memory is still 77.6MB. Free memory was 56.0MB in the beginning and 46.0MB in the end (delta: 10.0MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.56ms. Allocated memory is still 77.6MB. Free memory was 46.0MB in the beginning and 42.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.76ms. Allocated memory is still 77.6MB. Free memory was 42.8MB in the beginning and 40.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.29ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 40.9MB in the beginning and 65.9MB in the end (delta: -25.0MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1208.93ms. Allocated memory is still 96.5MB. Free memory was 65.4MB in the beginning and 64.2MB in the end (delta: 1.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 43.94ms. Allocated memory is still 96.5MB. Free memory was 64.2MB in the beginning and 61.5MB 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] [L1568] 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) [L1568] 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] [L1569] CALL CWE190_Integer_Overflow__int_rand_postinc_03_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()=65535, rand()=32767, rand()=1, 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++ VAL [data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 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, 23 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, 24 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, 24 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 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 15:04:18,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27820646-72e7-433e-bfac-47b27ac61e69/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)