./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_61_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_61_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c959d1ab8d77a6d716bf88801f72ff4136152e5187bcc1d69649c888d808f870 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 15:26:45,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:26:45,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:26:45,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:26:45,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:26:45,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:26:45,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:26:45,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:26:45,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:26:45,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:26:45,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:26:45,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:26:45,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:26:45,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:26:45,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:26:45,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:26:45,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:26:45,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:26:45,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:26:45,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:26:45,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:26:45,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:26:45,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:26:45,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:26:45,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:26:45,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:26:45,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:26:45,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:26:45,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:26:45,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:26:45,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:26:45,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:26:45,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:26:45,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:26:45,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:26:45,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:26:45,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:26:45,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:26:45,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:26:45,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:26:45,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:26:45,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 15:26:45,634 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:26:45,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:26:45,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:26:45,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:26:45,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:26:45,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:26:45,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:26:45,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:26:45,637 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:26:45,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:26:45,638 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:26:45,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:26:45,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:26:45,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:26:45,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:26:45,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:26:45,639 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:26:45,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:26:45,640 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:26:45,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:26:45,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:26:45,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:26:45,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:26:45,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:26:45,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:26:45,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:26:45,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:26:45,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:26:45,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:26:45,642 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:26:45,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:26:45,643 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:26:45,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:26:45,643 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_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c959d1ab8d77a6d716bf88801f72ff4136152e5187bcc1d69649c888d808f870 [2022-11-25 15:26:45,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:26:45,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:26:45,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:26:45,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:26:45,935 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:26:45,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_61_good.i [2022-11-25 15:26:48,965 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:26:49,379 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:26:49,381 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_61_good.i [2022-11-25 15:26:49,414 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R/data/361196979/8cb8dfcce63b4cf3ba83b41834445c4b/FLAG26bc8afca [2022-11-25 15:26:49,431 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R/data/361196979/8cb8dfcce63b4cf3ba83b41834445c4b [2022-11-25 15:26:49,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:26:49,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:26:49,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:26:49,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:26:49,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:26:49,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:26:49" (1/1) ... [2022-11-25 15:26:49,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a5e6e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:49, skipping insertion in model container [2022-11-25 15:26:49,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:26:49" (1/1) ... [2022-11-25 15:26:49,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:26:49,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:26:49,988 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:26:50,428 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:26:50,433 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:26:50,436 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:26:50,438 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:26:50,439 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:26:50,473 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:26:50,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:26:50,489 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:26:50,512 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:26:50,556 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:26:50,558 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:26:50,566 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:26:50,568 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:26:50,569 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:26:50,574 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:26:50,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:26:50,755 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:26:50,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:50 WrapperNode [2022-11-25 15:26:50,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:26:50,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:26:50,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:26:50,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:26:50,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:50" (1/1) ... [2022-11-25 15:26:50,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:50" (1/1) ... [2022-11-25 15:26:50,856 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 84 [2022-11-25 15:26:50,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:26:50,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:26:50,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:26:50,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:26:50,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:50" (1/1) ... [2022-11-25 15:26:50,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:50" (1/1) ... [2022-11-25 15:26:50,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:50" (1/1) ... [2022-11-25 15:26:50,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:50" (1/1) ... [2022-11-25 15:26:50,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:50" (1/1) ... [2022-11-25 15:26:50,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:50" (1/1) ... [2022-11-25 15:26:50,883 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:50" (1/1) ... [2022-11-25 15:26:50,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:50" (1/1) ... [2022-11-25 15:26:50,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:26:50,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:26:50,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:26:50,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:26:50,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:50" (1/1) ... [2022-11-25 15:26:50,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:26:50,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:26:50,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:26:50,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:26:50,971 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 15:26:50,971 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 15:26:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 15:26:50,972 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 15:26:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:26:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:26:50,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:26:50,972 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 15:26:50,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:26:51,142 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:26:51,144 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:26:51,395 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:26:51,401 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:26:51,402 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:26:51,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:26:51 BoogieIcfgContainer [2022-11-25 15:26:51,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:26:51,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:26:51,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:26:51,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:26:51,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:26:49" (1/3) ... [2022-11-25 15:26:51,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d65975a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:26:51, skipping insertion in model container [2022-11-25 15:26:51,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:26:50" (2/3) ... [2022-11-25 15:26:51,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d65975a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:26:51, skipping insertion in model container [2022-11-25 15:26:51,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:26:51" (3/3) ... [2022-11-25 15:26:51,424 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_61_good.i [2022-11-25 15:26:51,444 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:26:51,444 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 15:26:51,498 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:26:51,503 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;@39eb2f65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:26:51,504 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 15:26:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 28 states have internal predecessors, (30), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 15:26:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 15:26:51,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:26:51,515 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:26:51,515 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 15:26:51,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:26:51,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1708094165, now seen corresponding path program 1 times [2022-11-25 15:26:51,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:26:51,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286109583] [2022-11-25 15:26:51,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:26:51,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:26:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:26:51,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:26:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:26:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:26:51,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:26:51,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286109583] [2022-11-25 15:26:51,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286109583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:26:51,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:26:51,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:26:51,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939044820] [2022-11-25 15:26:51,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:26:51,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:26:51,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:26:51,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:26:51,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:26:51,824 INFO L87 Difference]: Start difference. First operand has 35 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 28 states have internal predecessors, (30), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:26:51,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:26:51,857 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2022-11-25 15:26:51,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:26:51,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-25 15:26:51,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:26:51,869 INFO L225 Difference]: With dead ends: 35 [2022-11-25 15:26:51,869 INFO L226 Difference]: Without dead ends: 25 [2022-11-25 15:26:51,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:26:51,879 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 18 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:26:51,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 50 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:26:51,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-25 15:26:51,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-25 15:26:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 15:26:51,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2022-11-25 15:26:51,950 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 10 [2022-11-25 15:26:51,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:26:51,951 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-11-25 15:26:51,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:26:51,951 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2022-11-25 15:26:51,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 15:26:51,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:26:51,953 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:26:51,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:26:51,954 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 15:26:51,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:26:51,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1411311513, now seen corresponding path program 1 times [2022-11-25 15:26:51,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:26:51,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972537712] [2022-11-25 15:26:51,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:26:51,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:26:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:26:52,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:26:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:26:52,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:26:52,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:26:52,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972537712] [2022-11-25 15:26:52,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972537712] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:26:52,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:26:52,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 15:26:52,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231881343] [2022-11-25 15:26:52,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:26:52,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:26:52,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:26:52,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:26:52,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:26:52,148 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2022-11-25 15:26:52,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:26:52,181 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-11-25 15:26:52,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:26:52,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 [2022-11-25 15:26:52,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:26:52,182 INFO L225 Difference]: With dead ends: 25 [2022-11-25 15:26:52,183 INFO L226 Difference]: Without dead ends: 24 [2022-11-25 15:26:52,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:26:52,184 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 12 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:26:52,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 54 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:26:52,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-25 15:26:52,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-11-25 15:26:52,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 15:26:52,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2022-11-25 15:26:52,190 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 11 [2022-11-25 15:26:52,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:26:52,190 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2022-11-25 15:26:52,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2022-11-25 15:26:52,191 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2022-11-25 15:26:52,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 15:26:52,191 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:26:52,192 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:26:52,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:26:52,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 15:26:52,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:26:52,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1949957934, now seen corresponding path program 1 times [2022-11-25 15:26:52,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:26:52,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455754981] [2022-11-25 15:26:52,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:26:52,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:26:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:26:52,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:26:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:26:52,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 15:26:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:26:52,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:26:52,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:26:52,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455754981] [2022-11-25 15:26:52,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455754981] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:26:52,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:26:52,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:26:52,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375956527] [2022-11-25 15:26:52,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:26:52,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:26:52,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:26:52,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:26:52,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:26:52,285 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 15:26:52,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:26:52,308 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2022-11-25 15:26:52,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:26:52,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-25 15:26:52,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:26:52,309 INFO L225 Difference]: With dead ends: 24 [2022-11-25 15:26:52,310 INFO L226 Difference]: Without dead ends: 23 [2022-11-25 15:26:52,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:26:52,311 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 5 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:26:52,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 37 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:26:52,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-25 15:26:52,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-25 15:26:52,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 15:26:52,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2022-11-25 15:26:52,317 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 21 [2022-11-25 15:26:52,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:26:52,318 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2022-11-25 15:26:52,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 15:26:52,318 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2022-11-25 15:26:52,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 15:26:52,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:26:52,319 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:26:52,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 15:26:52,320 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 15:26:52,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:26:52,321 INFO L85 PathProgramCache]: Analyzing trace with hash 319153879, now seen corresponding path program 1 times [2022-11-25 15:26:52,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:26:52,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013878448] [2022-11-25 15:26:52,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:26:52,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:26:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:26:52,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:26:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:26:52,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-25 15:26:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:26:52,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:26:52,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:26:52,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013878448] [2022-11-25 15:26:52,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013878448] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:26:52,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:26:52,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:26:52,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821642316] [2022-11-25 15:26:52,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:26:52,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:26:52,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:26:52,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:26:52,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:26:52,392 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 15:26:52,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:26:52,400 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2022-11-25 15:26:52,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:26:52,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-25 15:26:52,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:26:52,402 INFO L225 Difference]: With dead ends: 23 [2022-11-25 15:26:52,402 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 15:26:52,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:26:52,404 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 3 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 38 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 [2022-11-25 15:26:52,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 38 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:26:52,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 15:26:52,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 15:26:52,406 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) [2022-11-25 15:26:52,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 15:26:52,406 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2022-11-25 15:26:52,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:26:52,407 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:26:52,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 15:26:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 15:26:52,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 15:26:52,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-25 15:26:52,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-25 15:26:52,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-25 15:26:52,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-25 15:26:52,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 15:26:52,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 15:26:52,451 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 15:26:52,451 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 15:26:52,451 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 15:26:52,451 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 15:26:52,452 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 15:26:52,452 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 15:26:52,452 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 15:26:52,452 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1555) no Hoare annotation was computed. [2022-11-25 15:26:52,453 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 15:26:52,453 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1568) no Hoare annotation was computed. [2022-11-25 15:26:52,453 INFO L895 garLoopResultBuilder]: At program point L1598(lines 1595 1599) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~data~1#1| 2147483646) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) (= 2 |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_preinc_61b_goodG2BSource_#res#1|)) [2022-11-25 15:26:52,454 INFO L895 garLoopResultBuilder]: At program point L1557(line 1557) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2147483648)) (= 2 |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_preinc_61b_goodG2BSource_#res#1|)) [2022-11-25 15:26:52,454 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 1549 1559) no Hoare annotation was computed. [2022-11-25 15:26:52,454 INFO L895 garLoopResultBuilder]: At program point L1588(lines 1582 1589) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2147483648)) [2022-11-25 15:26:52,454 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-11-25 15:26:52,454 INFO L899 garLoopResultBuilder]: For program point L1555-1(line 1555) no Hoare annotation was computed. [2022-11-25 15:26:52,455 INFO L895 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2147483648)) [2022-11-25 15:26:52,455 INFO L899 garLoopResultBuilder]: For program point L1574-1(lines 1561 1576) no Hoare annotation was computed. [2022-11-25 15:26:52,455 INFO L895 garLoopResultBuilder]: At program point L1570(line 1570) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2147483648)) [2022-11-25 15:26:52,455 INFO L899 garLoopResultBuilder]: For program point L1568(line 1568) no Hoare annotation was computed. [2022-11-25 15:26:52,455 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 15:26:52,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1555) no Hoare annotation was computed. [2022-11-25 15:26:52,456 INFO L899 garLoopResultBuilder]: For program point L1568-1(line 1568) no Hoare annotation was computed. [2022-11-25 15:26:52,456 INFO L899 garLoopResultBuilder]: For program point L1566(lines 1566 1575) no Hoare annotation was computed. [2022-11-25 15:26:52,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1568) no Hoare annotation was computed. [2022-11-25 15:26:52,457 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 15:26:52,457 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-11-25 15:26:52,457 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 15:26:52,457 INFO L899 garLoopResultBuilder]: For program point L1597-2(line 1597) no Hoare annotation was computed. [2022-11-25 15:26:52,457 INFO L895 garLoopResultBuilder]: At program point L1593(lines 1590 1594) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2147483648)) (= 2 |ULTIMATE.start_CWE190_Integer_Overflow__int_rand_preinc_61b_goodG2BSource_#res#1|)) [2022-11-25 15:26:52,458 INFO L895 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2147483648)) [2022-11-25 15:26:52,458 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2022-11-25 15:26:52,458 INFO L902 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: true [2022-11-25 15:26:52,458 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2022-11-25 15:26:52,458 INFO L899 garLoopResultBuilder]: For program point L1577(lines 1577 1581) no Hoare annotation was computed. [2022-11-25 15:26:52,462 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-25 15:26:52,464 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:26:52,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:26:52 BoogieIcfgContainer [2022-11-25 15:26:52,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:26:52,478 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:26:52,479 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:26:52,479 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:26:52,479 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:26:51" (3/4) ... [2022-11-25 15:26:52,482 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 15:26:52,489 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 15:26:52,489 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 15:26:52,493 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-25 15:26:52,494 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 15:26:52,494 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 15:26:52,494 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 15:26:52,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 <= data + 2147483648 && 2 == \result [2022-11-25 15:26:52,520 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 <= data + 2147483648 && data <= 2147483646) && 0 <= data + 2147483648) && 2 == \result [2022-11-25 15:26:52,536 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:26:52,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:26:52,537 INFO L158 Benchmark]: Toolchain (without parser) took 3099.78ms. Allocated memory is still 148.9MB. Free memory was 103.8MB in the beginning and 71.3MB in the end (delta: 32.5MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2022-11-25 15:26:52,538 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 148.9MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:26:52,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1315.62ms. Allocated memory is still 148.9MB. Free memory was 103.8MB in the beginning and 102.2MB in the end (delta: 1.6MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2022-11-25 15:26:52,539 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.96ms. Allocated memory is still 148.9MB. Free memory was 101.8MB in the beginning and 98.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 15:26:52,539 INFO L158 Benchmark]: Boogie Preprocessor took 26.48ms. Allocated memory is still 148.9MB. Free memory was 98.5MB in the beginning and 97.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:26:52,540 INFO L158 Benchmark]: RCFGBuilder took 515.87ms. Allocated memory is still 148.9MB. Free memory was 97.0MB in the beginning and 82.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 15:26:52,540 INFO L158 Benchmark]: TraceAbstraction took 1071.58ms. Allocated memory is still 148.9MB. Free memory was 81.8MB in the beginning and 75.5MB in the end (delta: 6.2MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2022-11-25 15:26:52,540 INFO L158 Benchmark]: Witness Printer took 58.42ms. Allocated memory is still 148.9MB. Free memory was 75.2MB in the beginning and 71.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 15:26:52,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 148.9MB. Free memory is still 123.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1315.62ms. Allocated memory is still 148.9MB. Free memory was 103.8MB in the beginning and 102.2MB in the end (delta: 1.6MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.96ms. Allocated memory is still 148.9MB. Free memory was 101.8MB in the beginning and 98.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.48ms. Allocated memory is still 148.9MB. Free memory was 98.5MB in the beginning and 97.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 515.87ms. Allocated memory is still 148.9MB. Free memory was 97.0MB in the beginning and 82.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1071.58ms. Allocated memory is still 148.9MB. Free memory was 81.8MB in the beginning and 75.5MB in the end (delta: 6.2MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Witness Printer took 58.42ms. Allocated memory is still 148.9MB. Free memory was 75.2MB in the beginning and 71.3MB in the end (delta: 3.8MB). 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: 1555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1555]: 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: 1568]: 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 3 procedures, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 179 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 101 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 13 PreInvPairs, 13 NumberOfFragments, 58 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 82 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1595]: Loop Invariant Derived loop invariant: ((0 <= data + 2147483648 && data <= 2147483646) && 0 <= data + 2147483648) && 2 == \result - InvariantResult [Line: 1582]: Loop Invariant Derived loop invariant: 0 <= data + 2147483648 - InvariantResult [Line: 1590]: Loop Invariant Derived loop invariant: 0 <= data + 2147483648 && 2 == \result RESULT: Ultimate proved your program to be correct! [2022-11-25 15:26:52,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74c02c3-4cfc-4454-ada6-89b5b9e452fc/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE