./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_good.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_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS --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 898d3470f93f66248a2f3d8f47d4c38118bb75f0a37204805ed822b8fd762e35 --- 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 02:19:03,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:19:03,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:19:03,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:19:03,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:19:03,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:19:03,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:19:03,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:19:03,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:19:03,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:19:03,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:19:03,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:19:03,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:19:03,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:19:03,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:19:03,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:19:03,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:19:03,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:19:03,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:19:03,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:19:03,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:19:03,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:19:03,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:19:03,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:19:03,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:19:03,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:19:03,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:19:03,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:19:03,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:19:03,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:19:03,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:19:03,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:19:03,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:19:03,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:19:03,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:19:03,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:19:03,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:19:03,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:19:03,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:19:03,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:19:03,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:19:03,550 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-23 02:19:03,601 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:19:03,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:19:03,620 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:19:03,621 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:19:03,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:19:03,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:19:03,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:19:03,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:19:03,625 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:19:03,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:19:03,626 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:19:03,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:19:03,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:19:03,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:19:03,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:19:03,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:19:03,628 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 02:19:03,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:19:03,629 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:19:03,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:19:03,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:19:03,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:19:03,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:19:03,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:19:03,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:19:03,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:19:03,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:19:03,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:19:03,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:19:03,633 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:19:03,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:19:03,633 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:19:03,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:19:03,634 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 898d3470f93f66248a2f3d8f47d4c38118bb75f0a37204805ed822b8fd762e35 [2022-11-23 02:19:04,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:19:04,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:19:04,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:19:04,050 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:19:04,051 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:19:04,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_good.i [2022-11-23 02:19:07,297 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:19:07,739 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:19:07,740 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_44_good.i [2022-11-23 02:19:07,760 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS/data/787636427/202bbffc5fa34e31ae06e76db3eeebbe/FLAGa5cbd65e6 [2022-11-23 02:19:07,780 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS/data/787636427/202bbffc5fa34e31ae06e76db3eeebbe [2022-11-23 02:19:07,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:19:07,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:19:07,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:19:07,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:19:07,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:19:07,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:19:07" (1/1) ... [2022-11-23 02:19:07,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f305552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:07, skipping insertion in model container [2022-11-23 02:19:07,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:19:07" (1/1) ... [2022-11-23 02:19:07,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:19:07,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:19:08,280 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 02:19:08,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:19:08,939 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:19:08,978 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 02:19:09,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:19:09,307 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:19:09,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:09 WrapperNode [2022-11-23 02:19:09,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:19:09,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:19:09,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:19:09,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:19:09,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:09" (1/1) ... [2022-11-23 02:19:09,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:09" (1/1) ... [2022-11-23 02:19:09,417 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 81 [2022-11-23 02:19:09,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:19:09,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:19:09,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:19:09,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:19:09,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:09" (1/1) ... [2022-11-23 02:19:09,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:09" (1/1) ... [2022-11-23 02:19:09,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:09" (1/1) ... [2022-11-23 02:19:09,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:09" (1/1) ... [2022-11-23 02:19:09,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:09" (1/1) ... [2022-11-23 02:19:09,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:09" (1/1) ... [2022-11-23 02:19:09,452 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:09" (1/1) ... [2022-11-23 02:19:09,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:09" (1/1) ... [2022-11-23 02:19:09,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:19:09,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:19:09,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:19:09,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:19:09,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:09" (1/1) ... [2022-11-23 02:19:09,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:19:09,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:19:09,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:19:09,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:19:09,553 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 02:19:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 02:19:09,554 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 02:19:09,554 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 02:19:09,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:19:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-23 02:19:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-23 02:19:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:19:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:19:09,555 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 02:19:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:19:09,746 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:19:09,748 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:19:09,987 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:19:10,008 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:19:10,009 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:19:10,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:10 BoogieIcfgContainer [2022-11-23 02:19:10,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:19:10,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:19:10,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:19:10,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:19:10,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:19:07" (1/3) ... [2022-11-23 02:19:10,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c8a2e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:19:10, skipping insertion in model container [2022-11-23 02:19:10,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:09" (2/3) ... [2022-11-23 02:19:10,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c8a2e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:19:10, skipping insertion in model container [2022-11-23 02:19:10,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:10" (3/3) ... [2022-11-23 02:19:10,038 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_44_good.i [2022-11-23 02:19:10,062 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:19:10,062 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 02:19:10,131 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:19:10,138 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;@1757bb34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:19:10,139 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-23 02:19:10,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 31 states have internal predecessors, (34), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-23 02:19:10,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 02:19:10,152 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:19:10,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:10,153 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 02:19:10,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:10,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1816617017, now seen corresponding path program 1 times [2022-11-23 02:19:10,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:10,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660557400] [2022-11-23 02:19:10,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:10,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:10,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:19:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:10,739 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 02:19:10,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:19:10,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660557400] [2022-11-23 02:19:10,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660557400] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:19:10,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:19:10,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:19:10,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748045387] [2022-11-23 02:19:10,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:19:10,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:19:10,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:19:10,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:19:10,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:19:10,821 INFO L87 Difference]: Start difference. First operand has 41 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 31 states have internal predecessors, (34), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 02:19:10,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:19:10,966 INFO L93 Difference]: Finished difference Result 59 states and 70 transitions. [2022-11-23 02:19:10,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 02:19:10,969 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-23 02:19:10,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:19:10,980 INFO L225 Difference]: With dead ends: 59 [2022-11-23 02:19:10,980 INFO L226 Difference]: Without dead ends: 44 [2022-11-23 02:19:10,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-23 02:19:10,988 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 40 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 02:19:10,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 207 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 02:19:11,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-23 02:19:11,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 41. [2022-11-23 02:19:11,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 32 states have internal predecessors, (38), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 02:19:11,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2022-11-23 02:19:11,041 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 12 [2022-11-23 02:19:11,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:19:11,043 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2022-11-23 02:19:11,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 02:19:11,044 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2022-11-23 02:19:11,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 02:19:11,071 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:19:11,071 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:11,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:19:11,072 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 02:19:11,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:11,074 INFO L85 PathProgramCache]: Analyzing trace with hash 480552766, now seen corresponding path program 1 times [2022-11-23 02:19:11,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:11,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205342584] [2022-11-23 02:19:11,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:11,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:11,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:19:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:11,350 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 02:19:11,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:19:11,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205342584] [2022-11-23 02:19:11,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205342584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:19:11,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:19:11,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 02:19:11,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425218459] [2022-11-23 02:19:11,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:19:11,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 02:19:11,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:19:11,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 02:19:11,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 02:19:11,366 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 02:19:11,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:19:11,484 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2022-11-23 02:19:11,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 02:19:11,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-23 02:19:11,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:19:11,487 INFO L225 Difference]: With dead ends: 44 [2022-11-23 02:19:11,488 INFO L226 Difference]: Without dead ends: 43 [2022-11-23 02:19:11,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-23 02:19:11,490 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 31 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 02:19:11,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 146 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 02:19:11,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-23 02:19:11,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2022-11-23 02:19:11,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 32 states have internal predecessors, (37), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 02:19:11,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2022-11-23 02:19:11,504 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 13 [2022-11-23 02:19:11,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:19:11,504 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2022-11-23 02:19:11,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 02:19:11,505 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2022-11-23 02:19:11,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 02:19:11,506 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:19:11,507 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:11,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 02:19:11,507 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 02:19:11,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:11,509 INFO L85 PathProgramCache]: Analyzing trace with hash 480537903, now seen corresponding path program 1 times [2022-11-23 02:19:11,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:11,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7729005] [2022-11-23 02:19:11,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:11,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:11,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:19:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:11,609 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 02:19:11,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:19:11,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7729005] [2022-11-23 02:19:11,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7729005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:19:11,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:19:11,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:19:11,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655155919] [2022-11-23 02:19:11,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:19:11,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:19:11,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:19:11,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:19:11,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:19:11,617 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 02:19:11,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:19:11,647 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2022-11-23 02:19:11,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:19:11,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-23 02:19:11,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:19:11,652 INFO L225 Difference]: With dead ends: 41 [2022-11-23 02:19:11,653 INFO L226 Difference]: Without dead ends: 40 [2022-11-23 02:19:11,653 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 [2022-11-23 02:19:11,663 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 2 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:19:11,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 70 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:19:11,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-23 02:19:11,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-23 02:19:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 28 states have (on average 1.25) internal successors, (35), 31 states have internal predecessors, (35), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 02:19:11,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2022-11-23 02:19:11,696 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 13 [2022-11-23 02:19:11,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:19:11,697 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2022-11-23 02:19:11,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 02:19:11,698 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2022-11-23 02:19:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 02:19:11,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:19:11,701 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:11,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 02:19:11,702 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 02:19:11,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:11,703 INFO L85 PathProgramCache]: Analyzing trace with hash 2011773180, now seen corresponding path program 1 times [2022-11-23 02:19:11,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:11,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335389700] [2022-11-23 02:19:11,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:11,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:11,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:19:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:11,877 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 02:19:11,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:19:11,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335389700] [2022-11-23 02:19:11,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335389700] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:19:11,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:19:11,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:19:11,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848406268] [2022-11-23 02:19:11,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:19:11,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:19:11,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:19:11,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:19:11,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:19:11,888 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 02:19:11,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:19:11,929 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2022-11-23 02:19:11,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 02:19:11,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-23 02:19:11,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:19:11,934 INFO L225 Difference]: With dead ends: 63 [2022-11-23 02:19:11,935 INFO L226 Difference]: Without dead ends: 34 [2022-11-23 02:19:11,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:19:11,947 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 9 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:19:11,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 73 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:19:11,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-23 02:19:11,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-11-23 02:19:11,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 26 states have internal predecessors, (28), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 02:19:11,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2022-11-23 02:19:11,961 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 14 [2022-11-23 02:19:11,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:19:11,961 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2022-11-23 02:19:11,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 02:19:11,962 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2022-11-23 02:19:11,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-23 02:19:11,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:19:11,964 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:11,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 02:19:11,965 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 02:19:11,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:11,966 INFO L85 PathProgramCache]: Analyzing trace with hash 517782005, now seen corresponding path program 1 times [2022-11-23 02:19:11,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:11,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688869426] [2022-11-23 02:19:11,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:11,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:19:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:12,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:19:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:12,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:19:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:12,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:19:12,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:19:12,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688869426] [2022-11-23 02:19:12,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688869426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:19:12,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:19:12,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:19:12,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501800288] [2022-11-23 02:19:12,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:19:12,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 02:19:12,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:19:12,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 02:19:12,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:19:12,219 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 02:19:12,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:19:12,238 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2022-11-23 02:19:12,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 02:19:12,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2022-11-23 02:19:12,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:19:12,243 INFO L225 Difference]: With dead ends: 34 [2022-11-23 02:19:12,248 INFO L226 Difference]: Without dead ends: 30 [2022-11-23 02:19:12,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 02:19:12,249 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 5 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:19:12,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 76 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:19:12,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-23 02:19:12,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-23 02:19:12,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 02:19:12,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2022-11-23 02:19:12,261 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 27 [2022-11-23 02:19:12,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:19:12,262 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2022-11-23 02:19:12,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 02:19:12,263 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2022-11-23 02:19:12,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-23 02:19:12,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:19:12,264 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:19:12,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 02:19:12,265 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 02:19:12,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:19:12,266 INFO L85 PathProgramCache]: Analyzing trace with hash -628157512, now seen corresponding path program 1 times [2022-11-23 02:19:12,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:19:12,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044586576] [2022-11-23 02:19:12,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:19:12,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:19:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:12,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:19:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:12,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 02:19:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-23 02:19:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:19:12,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:19:12,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:19:12,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044586576] [2022-11-23 02:19:12,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044586576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:19:12,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:19:12,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 02:19:12,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525412054] [2022-11-23 02:19:12,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:19:12,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 02:19:12,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:19:12,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 02:19:12,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 02:19:12,547 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 7 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 02:19:12,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:19:12,624 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2022-11-23 02:19:12,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 02:19:12,625 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2022-11-23 02:19:12,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:19:12,626 INFO L225 Difference]: With dead ends: 30 [2022-11-23 02:19:12,627 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 02:19:12,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-23 02:19:12,629 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 11 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:19:12,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 143 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:19:12,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 02:19:12,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 02:19:12,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:19:12,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 02:19:12,632 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2022-11-23 02:19:12,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:19:12,632 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 02:19:12,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 02:19:12,633 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 02:19:12,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 02:19:12,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-23 02:19:12,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-23 02:19:12,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-23 02:19:12,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-23 02:19:12,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 02:19:12,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 02:19:12,744 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 02:19:12,745 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 02:19:12,745 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-23 02:19:12,745 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 02:19:12,745 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 02:19:12,746 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 02:19:12,746 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 02:19:12,746 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 02:19:12,746 INFO L895 garLoopResultBuilder]: At program point L1596(lines 1590 1597) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) [2022-11-23 02:19:12,747 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-11-23 02:19:12,747 INFO L899 garLoopResultBuilder]: For program point L1582-2(line 1582) no Hoare annotation was computed. [2022-11-23 02:19:12,747 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 02:19:12,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 02:19:12,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 02:19:12,748 INFO L895 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) [2022-11-23 02:19:12,748 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= 0 .cse0) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~goodG2BSink.offset|) (<= .cse0 0))) [2022-11-23 02:19:12,748 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2022-11-23 02:19:12,748 INFO L902 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: true [2022-11-23 02:19:12,749 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2022-11-23 02:19:12,749 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2022-11-23 02:19:12,749 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1589) no Hoare annotation was computed. [2022-11-23 02:19:12,749 INFO L895 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= |ULTIMATE.start_goodB2G_~data~1#1| 2147483647) (<= 0 .cse0) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~goodB2GSink.base|) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~goodB2GSink.offset|) (<= |#funAddr~goodB2GSink.offset| |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset|) (<= |#funAddr~goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~goodG2BSink.offset|) (<= .cse0 0))) [2022-11-23 02:19:12,750 INFO L899 garLoopResultBuilder]: For program point L1583-1(lines 1577 1584) no Hoare annotation was computed. [2022-11-23 02:19:12,750 INFO L895 garLoopResultBuilder]: At program point L1553(line 1553) the Hoare annotation is: (let ((.cse1 (+ 2 |##fun~int~TO~VOID_#in~103#1|))) (or (let ((.cse0 (+ 2 |##fun~int~TO~VOID_#~103#1|))) (and (<= .cse0 0) (<= 0 .cse0))) (not (<= 0 .cse1)) (not (<= .cse1 0)) (not (<= |##fun~int~TO~VOID_#in~#fp#1.offset| |#funAddr~goodG2BSink.offset|)))) [2022-11-23 02:19:12,750 INFO L899 garLoopResultBuilder]: For program point L1553-1(lines 1548 1555) no Hoare annotation was computed. [2022-11-23 02:19:12,750 INFO L899 garLoopResultBuilder]: For program point L1551(line 1551) no Hoare annotation was computed. [2022-11-23 02:19:12,751 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1551) no Hoare annotation was computed. [2022-11-23 02:19:12,752 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1568) no Hoare annotation was computed. [2022-11-23 02:19:12,752 INFO L899 garLoopResultBuilder]: For program point L1551-1(line 1551) no Hoare annotation was computed. [2022-11-23 02:19:12,752 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-23 02:19:12,753 INFO L895 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: (let ((.cse0 (+ 2 |##fun~int~TO~VOID_#in~103#1|))) (or (not (<= 0 .cse0)) (not (<= .cse0 0)) (not (<= |##fun~int~TO~VOID_#in~#fp#1.offset| |#funAddr~goodG2BSink.offset|)))) [2022-11-23 02:19:12,753 INFO L902 garLoopResultBuilder]: At program point ##fun~int~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-23 02:19:12,753 INFO L899 garLoopResultBuilder]: For program point L1574-1(lines 1564 1576) no Hoare annotation was computed. [2022-11-23 02:19:12,753 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (let ((.cse0 (+ 2 |##fun~int~TO~VOID_#in~103#1|))) (or (not (<= 0 .cse0)) (not (<= .cse0 0)) (not (<= |##fun~int~TO~VOID_#in~#fp#1.offset| |#funAddr~goodG2BSink.offset|)))) [2022-11-23 02:19:12,753 INFO L899 garLoopResultBuilder]: For program point L1568(line 1568) no Hoare annotation was computed. [2022-11-23 02:19:12,754 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 02:19:12,754 INFO L899 garLoopResultBuilder]: For program point L1568-1(line 1568) no Hoare annotation was computed. [2022-11-23 02:19:12,755 INFO L899 garLoopResultBuilder]: For program point L1566(lines 1566 1575) no Hoare annotation was computed. [2022-11-23 02:19:12,755 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-23 02:19:12,755 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1551) no Hoare annotation was computed. [2022-11-23 02:19:12,755 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1568) no Hoare annotation was computed. [2022-11-23 02:19:12,759 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-23 02:19:12,763 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:19:12,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:19:12 BoogieIcfgContainer [2022-11-23 02:19:12,778 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:19:12,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:19:12,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:19:12,779 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:19:12,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:10" (3/4) ... [2022-11-23 02:19:12,787 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 02:19:12,795 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 02:19:12,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 02:19:12,796 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-23 02:19:12,805 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-23 02:19:12,805 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-23 02:19:12,805 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 02:19:12,806 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 02:19:12,863 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 02:19:12,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:19:12,865 INFO L158 Benchmark]: Toolchain (without parser) took 5080.41ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 105.7MB in the beginning and 128.6MB in the end (delta: -22.9MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-11-23 02:19:12,865 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 153.1MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:19:12,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1521.86ms. Allocated memory is still 153.1MB. Free memory was 105.2MB in the beginning and 107.6MB in the end (delta: -2.4MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2022-11-23 02:19:12,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.50ms. Allocated memory is still 153.1MB. Free memory was 107.6MB in the beginning and 104.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:19:12,866 INFO L158 Benchmark]: Boogie Preprocessor took 39.16ms. Allocated memory is still 153.1MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:19:12,867 INFO L158 Benchmark]: RCFGBuilder took 554.34ms. Allocated memory is still 153.1MB. Free memory was 102.7MB in the beginning and 88.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 02:19:12,867 INFO L158 Benchmark]: TraceAbstraction took 2751.40ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 87.4MB in the beginning and 131.8MB in the end (delta: -44.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:19:12,868 INFO L158 Benchmark]: Witness Printer took 85.77ms. Allocated memory is still 192.9MB. Free memory was 131.8MB in the beginning and 128.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 02:19:12,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 153.1MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1521.86ms. Allocated memory is still 153.1MB. Free memory was 105.2MB in the beginning and 107.6MB in the end (delta: -2.4MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.50ms. Allocated memory is still 153.1MB. Free memory was 107.6MB in the beginning and 104.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.16ms. Allocated memory is still 153.1MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.34ms. Allocated memory is still 153.1MB. Free memory was 102.7MB in the beginning and 88.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2751.40ms. Allocated memory was 153.1MB in the beginning and 192.9MB in the end (delta: 39.8MB). Free memory was 87.4MB in the beginning and 131.8MB in the end (delta: -44.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 85.77ms. Allocated memory is still 192.9MB. Free memory was 131.8MB in the beginning and 128.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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 - PositiveResult [Line: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1568]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 715 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 514 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 201 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 25 PreInvPairs, 26 NumberOfFragments, 119 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 13 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1590]: Loop Invariant Derived loop invariant: 0 <= data + 2 RESULT: Ultimate proved your program to be correct! [2022-11-23 02:19:12,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fde7a4-3e83-46de-8ecb-ccb8e1ddd1ba/bin/uautomizer-QkZJyEgLgS/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