./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0d2a5b81ae1e36d2509be28e0377a91f23408f92f2bcc20167ca32c16fd094b2 --- 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-b5237d8 [2022-11-21 16:36:12,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:36:12,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:36:12,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:36:12,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:36:12,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:36:12,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:36:12,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:36:12,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:36:12,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:36:12,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:36:12,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:36:12,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:36:12,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:36:12,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:36:12,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:36:12,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:36:12,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:36:12,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:36:12,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:36:12,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:36:12,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:36:12,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:36:12,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:36:12,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:36:12,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:36:12,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:36:12,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:36:12,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:36:12,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:36:12,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:36:12,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:36:12,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:36:12,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:36:12,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:36:12,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:36:12,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:36:12,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:36:12,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:36:12,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:36:12,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:36:12,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-21 16:36:12,510 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:36:12,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:36:12,511 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:36:12,512 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:36:12,512 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:36:12,513 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:36:12,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:36:12,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:36:12,514 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:36:12,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:36:12,515 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:36:12,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:36:12,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:36:12,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:36:12,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:36:12,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:36:12,516 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 16:36:12,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:36:12,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:36:12,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:36:12,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:36:12,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:36:12,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:36:12,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:36:12,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:36:12,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:36:12,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:36:12,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:36:12,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:36:12,520 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:36:12,521 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:36:12,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:36:12,521 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_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d2a5b81ae1e36d2509be28e0377a91f23408f92f2bcc20167ca32c16fd094b2 [2022-11-21 16:36:12,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:36:12,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:36:12,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:36:12,804 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:36:12,804 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:36:12,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i [2022-11-21 16:36:15,987 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:36:16,394 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:36:16,395 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i [2022-11-21 16:36:16,416 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/data/47d04ce5a/7de13a95c28542e58d5bab2c0ffcfbda/FLAGb52b7997c [2022-11-21 16:36:16,432 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/data/47d04ce5a/7de13a95c28542e58d5bab2c0ffcfbda [2022-11-21 16:36:16,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:36:16,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:36:16,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:36:16,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:36:16,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:36:16,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:36:16" (1/1) ... [2022-11-21 16:36:16,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a73a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:16, skipping insertion in model container [2022-11-21 16:36:16,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:36:16" (1/1) ... [2022-11-21 16:36:16,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:36:16,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:36:16,879 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:36:17,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:36:17,440 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:36:17,487 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:36:17,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:36:17,665 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:36:17,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:17 WrapperNode [2022-11-21 16:36:17,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:36:17,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:36:17,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:36:17,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:36:17,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:17" (1/1) ... [2022-11-21 16:36:17,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:17" (1/1) ... [2022-11-21 16:36:17,732 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-11-21 16:36:17,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:36:17,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:36:17,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:36:17,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:36:17,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:17" (1/1) ... [2022-11-21 16:36:17,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:17" (1/1) ... [2022-11-21 16:36:17,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:17" (1/1) ... [2022-11-21 16:36:17,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:17" (1/1) ... [2022-11-21 16:36:17,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:17" (1/1) ... [2022-11-21 16:36:17,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:17" (1/1) ... [2022-11-21 16:36:17,763 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:17" (1/1) ... [2022-11-21 16:36:17,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:17" (1/1) ... [2022-11-21 16:36:17,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:36:17,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:36:17,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:36:17,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:36:17,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:17" (1/1) ... [2022-11-21 16:36:17,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:36:17,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:36:17,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:36:17,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:36:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 16:36:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 16:36:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:36:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:36:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:36:17,875 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 16:36:17,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:36:18,066 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:36:18,068 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:36:18,313 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:36:18,319 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:36:18,320 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:36:18,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:36:18 BoogieIcfgContainer [2022-11-21 16:36:18,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:36:18,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:36:18,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:36:18,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:36:18,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:36:16" (1/3) ... [2022-11-21 16:36:18,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45710fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:36:18, skipping insertion in model container [2022-11-21 16:36:18,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:17" (2/3) ... [2022-11-21 16:36:18,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45710fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:36:18, skipping insertion in model container [2022-11-21 16:36:18,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:36:18" (3/3) ... [2022-11-21 16:36:18,331 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_14_bad.i [2022-11-21 16:36:18,351 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:36:18,351 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-21 16:36:18,409 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:36:18,416 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@602b4aaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:36:18,416 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-21 16:36:18,421 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) [2022-11-21 16:36:18,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 16:36:18,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:36:18,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:36:18,430 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 16:36:18,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:18,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-11-21 16:36:18,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:18,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881241904] [2022-11-21 16:36:18,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:18,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:18,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:36:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:18,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:18,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:18,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881241904] [2022-11-21 16:36:18,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881241904] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:36:18,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:36:18,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:36:18,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068540278] [2022-11-21 16:36:18,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:36:18,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:36:18,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:18,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:36:18,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:36:18,900 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 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2022-11-21 16:36:18,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:36:18,941 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-11-21 16:36:18,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:36:18,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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 [2022-11-21 16:36:18,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:36:18,952 INFO L225 Difference]: With dead ends: 39 [2022-11-21 16:36:18,952 INFO L226 Difference]: Without dead ends: 16 [2022-11-21 16:36:18,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:36:18,961 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 21 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:36:18,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 23 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:36:18,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-21 16:36:18,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-21 16:36:18,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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) [2022-11-21 16:36:18,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-11-21 16:36:19,001 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2022-11-21 16:36:19,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:36:19,002 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-11-21 16:36:19,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 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) [2022-11-21 16:36:19,004 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-11-21 16:36:19,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 16:36:19,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:36:19,005 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:36:19,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:36:19,007 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 16:36:19,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:19,008 INFO L85 PathProgramCache]: Analyzing trace with hash 804858586, now seen corresponding path program 1 times [2022-11-21 16:36:19,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:19,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915832583] [2022-11-21 16:36:19,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:19,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:19,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:36:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:36:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:36:19,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:36:19,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915832583] [2022-11-21 16:36:19,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915832583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:36:19,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:36:19,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:36:19,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097989157] [2022-11-21 16:36:19,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:36:19,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:36:19,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:36:19,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:36:19,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:36:19,256 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-21 16:36:19,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:36:19,263 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2022-11-21 16:36:19,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:36:19,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2022-11-21 16:36:19,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:36:19,264 INFO L225 Difference]: With dead ends: 16 [2022-11-21 16:36:19,265 INFO L226 Difference]: Without dead ends: 15 [2022-11-21 16:36:19,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:36:19,266 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 5 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:36:19,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 22 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:36:19,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-21 16:36:19,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-21 16:36:19,270 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) [2022-11-21 16:36:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-11-21 16:36:19,271 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2022-11-21 16:36:19,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:36:19,272 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-21 16:36:19,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-21 16:36:19,272 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-11-21 16:36:19,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 16:36:19,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:36:19,273 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:36:19,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:36:19,274 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 16:36:19,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:36:19,275 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2022-11-21 16:36:19,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:36:19,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291533480] [2022-11-21 16:36:19,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:36:19,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:36:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:36:19,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:36:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:36:19,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:36:19,348 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:36:19,350 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-21 16:36:19,352 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-21 16:36:19,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:36:19,356 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-21 16:36:19,359 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:36:19,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:36:19 BoogieIcfgContainer [2022-11-21 16:36:19,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:36:19,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:36:19,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:36:19,392 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:36:19,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:36:18" (3/4) ... [2022-11-21 16:36:19,395 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:36:19,395 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:36:19,396 INFO L158 Benchmark]: Toolchain (without parser) took 2959.89ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 73.4MB in the beginning and 79.3MB in the end (delta: -5.8MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2022-11-21 16:36:19,397 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:36:19,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1228.44ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 73.2MB in the beginning and 89.8MB in the end (delta: -16.5MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2022-11-21 16:36:19,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.43ms. Allocated memory is still 157.3MB. Free memory was 89.8MB in the beginning and 86.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:36:19,399 INFO L158 Benchmark]: Boogie Preprocessor took 45.90ms. Allocated memory is still 157.3MB. Free memory was 86.9MB in the beginning and 85.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:36:19,399 INFO L158 Benchmark]: RCFGBuilder took 538.39ms. Allocated memory is still 157.3MB. Free memory was 84.8MB in the beginning and 71.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:36:19,400 INFO L158 Benchmark]: TraceAbstraction took 1066.53ms. Allocated memory is still 157.3MB. Free memory was 70.9MB in the beginning and 79.3MB in the end (delta: -8.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:36:19,400 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 157.3MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:36:19,403 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 119.5MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1228.44ms. Allocated memory was 119.5MB in the beginning and 157.3MB in the end (delta: 37.7MB). Free memory was 73.2MB in the beginning and 89.8MB in the end (delta: -16.5MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.43ms. Allocated memory is still 157.3MB. Free memory was 89.8MB in the beginning and 86.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.90ms. Allocated memory is still 157.3MB. Free memory was 86.9MB in the beginning and 85.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 538.39ms. Allocated memory is still 157.3MB. Free memory was 84.8MB in the beginning and 71.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1066.53ms. Allocated memory is still 157.3MB. Free memory was 70.9MB in the beginning and 79.3MB in the end (delta: -8.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 157.3MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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); 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 [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=2147516418, argc=2147516418, argv={2147516417:2147516419}, argv={2147516417:2147516419}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_14_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] [L1552] COND TRUE globalFive==5 [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()=65537, rand()=2, rand()=2147483647, rand()=4, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483648] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE globalFive==5 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [data=-2147483648, 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: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 37 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2022-11-21 16:36:19,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0d2a5b81ae1e36d2509be28e0377a91f23408f92f2bcc20167ca32c16fd094b2 --- 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-b5237d8 [2022-11-21 16:36:22,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:36:22,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:36:22,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:36:22,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:36:22,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:36:22,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:36:22,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:36:22,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:36:22,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:36:22,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:36:22,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:36:22,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:36:22,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:36:22,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:36:22,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:36:22,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:36:22,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:36:22,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:36:22,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:36:22,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:36:22,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:36:22,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:36:22,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:36:22,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:36:22,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:36:22,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:36:22,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:36:22,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:36:22,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:36:22,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:36:22,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:36:22,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:36:22,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:36:22,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:36:22,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:36:22,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:36:22,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:36:22,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:36:22,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:36:22,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:36:22,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-21 16:36:22,199 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:36:22,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:36:22,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:36:22,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:36:22,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:36:22,203 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:36:22,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:36:22,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:36:22,204 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:36:22,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:36:22,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:36:22,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:36:22,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:36:22,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:36:22,206 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 16:36:22,207 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 16:36:22,207 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 16:36:22,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:36:22,207 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:36:22,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:36:22,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:36:22,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:36:22,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:36:22,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:36:22,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:36:22,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:36:22,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:36:22,210 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 16:36:22,210 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 16:36:22,210 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:36:22,210 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:36:22,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:36:22,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 16:36:22,211 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_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d2a5b81ae1e36d2509be28e0377a91f23408f92f2bcc20167ca32c16fd094b2 [2022-11-21 16:36:22,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:36:22,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:36:22,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:36:22,635 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:36:22,641 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:36:22,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i [2022-11-21 16:36:25,681 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:36:26,046 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:36:26,053 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i [2022-11-21 16:36:26,086 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/data/d04a0c2ac/68ac012aa32145fdae6e27a681376639/FLAG97fce1aff [2022-11-21 16:36:26,100 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/data/d04a0c2ac/68ac012aa32145fdae6e27a681376639 [2022-11-21 16:36:26,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:36:26,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:36:26,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:36:26,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:36:26,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:36:26,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:36:26" (1/1) ... [2022-11-21 16:36:26,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680dd40e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:26, skipping insertion in model container [2022-11-21 16:36:26,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:36:26" (1/1) ... [2022-11-21 16:36:26,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:36:26,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:36:26,655 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:36:27,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:36:27,481 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:36:27,500 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:36:27,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:36:27,687 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:36:27,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:27 WrapperNode [2022-11-21 16:36:27,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:36:27,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:36:27,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:36:27,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:36:27,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:27" (1/1) ... [2022-11-21 16:36:27,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:27" (1/1) ... [2022-11-21 16:36:27,746 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-11-21 16:36:27,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:36:27,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:36:27,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:36:27,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:36:27,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:27" (1/1) ... [2022-11-21 16:36:27,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:27" (1/1) ... [2022-11-21 16:36:27,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:27" (1/1) ... [2022-11-21 16:36:27,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:27" (1/1) ... [2022-11-21 16:36:27,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:27" (1/1) ... [2022-11-21 16:36:27,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:27" (1/1) ... [2022-11-21 16:36:27,771 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:27" (1/1) ... [2022-11-21 16:36:27,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:27" (1/1) ... [2022-11-21 16:36:27,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:36:27,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:36:27,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:36:27,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:36:27,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:27" (1/1) ... [2022-11-21 16:36:27,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:36:27,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:36:27,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:36:27,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:36:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 16:36:27,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 16:36:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 16:36:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:36:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:36:27,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:36:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 16:36:28,025 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:36:28,027 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:36:28,167 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:36:28,173 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:36:28,173 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:36:28,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:36:28 BoogieIcfgContainer [2022-11-21 16:36:28,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:36:28,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:36:28,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:36:28,181 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:36:28,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:36:26" (1/3) ... [2022-11-21 16:36:28,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4704f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:36:28, skipping insertion in model container [2022-11-21 16:36:28,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:36:27" (2/3) ... [2022-11-21 16:36:28,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4704f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:36:28, skipping insertion in model container [2022-11-21 16:36:28,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:36:28" (3/3) ... [2022-11-21 16:36:28,184 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_14_bad.i [2022-11-21 16:36:28,203 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:36:28,203 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-21 16:36:28,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4704f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:36:28, skipping insertion in model container [2022-11-21 16:36:28,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:36:28,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:36:28,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:36:28,206 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:36:28,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:36:28" (3/3) ... [2022-11-21 16:36:28,210 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:36:28,217 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 16:36:28,234 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-21 16:36:28,235 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 16:36:28,235 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 16:36:28,235 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:36:28,298 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:36:28,298 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:36:28,300 INFO L158 Benchmark]: Toolchain (without parser) took 2193.48ms. Allocated memory is still 86.0MB. Free memory was 62.4MB in the beginning and 42.8MB in the end (delta: 19.5MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-11-21 16:36:28,300 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 35.9MB in the beginning and 35.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:36:28,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1580.58ms. Allocated memory is still 86.0MB. Free memory was 62.1MB in the beginning and 41.4MB in the end (delta: 20.7MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2022-11-21 16:36:28,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.62ms. Allocated memory is still 86.0MB. Free memory was 41.4MB in the beginning and 38.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:36:28,301 INFO L158 Benchmark]: Boogie Preprocessor took 29.75ms. Allocated memory is still 86.0MB. Free memory was 38.2MB in the beginning and 36.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:36:28,302 INFO L158 Benchmark]: RCFGBuilder took 398.42ms. Allocated memory is still 86.0MB. Free memory was 36.5MB in the beginning and 48.2MB in the end (delta: -11.7MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-11-21 16:36:28,302 INFO L158 Benchmark]: TraceAbstraction took 27.90ms. Allocated memory is still 86.0MB. Free memory was 47.9MB in the beginning and 45.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:36:28,308 INFO L158 Benchmark]: Witness Printer took 92.30ms. Allocated memory is still 86.0MB. Free memory was 45.8MB in the beginning and 42.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:36:28,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 35.9MB in the beginning and 35.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1580.58ms. Allocated memory is still 86.0MB. Free memory was 62.1MB in the beginning and 41.4MB in the end (delta: 20.7MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.62ms. Allocated memory is still 86.0MB. Free memory was 41.4MB in the beginning and 38.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.75ms. Allocated memory is still 86.0MB. Free memory was 38.2MB in the beginning and 36.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.42ms. Allocated memory is still 86.0MB. Free memory was 36.5MB in the beginning and 48.2MB in the end (delta: -11.7MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * TraceAbstraction took 27.90ms. Allocated memory is still 86.0MB. Free memory was 47.9MB in the beginning and 45.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 92.30ms. Allocated memory is still 86.0MB. Free memory was 45.8MB in the beginning and 42.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-21 16:36:28,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8af4be30-2e15-4ba3-8109-88a1407297fb/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE