./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_16_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_16_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP --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 cdef4dabc2a07c48767c3ef837fdb1d27f9ca699dc0c29dd001c26ae7f11fe84 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:51:21,440 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:51:21,521 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 22:51:21,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:51:21,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:51:21,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:51:21,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:51:21,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:51:21,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:51:21,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:51:21,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:51:21,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:51:21,553 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:51:21,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:51:21,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:51:21,555 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:51:21,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:51:21,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:51:21,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:51:21,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:51:21,558 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:51:21,558 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:51:21,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:51:21,559 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:51:21,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:51:21,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:51:21,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:51:21,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:51:21,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:51:21,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:51:21,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:51:21,563 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:51:21,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:51:21,564 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:51:21,565 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:51:21,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:51:21,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:51:21,566 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:51:21,566 INFO L153 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_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdef4dabc2a07c48767c3ef837fdb1d27f9ca699dc0c29dd001c26ae7f11fe84 [2023-11-06 22:51:21,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:51:21,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:51:21,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:51:21,898 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:51:21,898 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:51:21,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_16_good.i [2023-11-06 22:51:24,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:51:25,444 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:51:25,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_16_good.i [2023-11-06 22:51:25,480 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP/data/d9fa36dd1/2d57c4f7ed694b7c9181965298842e8f/FLAG81d5f4d78 [2023-11-06 22:51:25,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP/data/d9fa36dd1/2d57c4f7ed694b7c9181965298842e8f [2023-11-06 22:51:25,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:51:25,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:51:25,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:51:25,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:51:25,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:51:25,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:51:25" (1/1) ... [2023-11-06 22:51:25,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e7e3a32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:25, skipping insertion in model container [2023-11-06 22:51:25,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:51:25" (1/1) ... [2023-11-06 22:51:25,606 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:51:26,004 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:51:26,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:51:26,650 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:51:26,752 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 22:51:26,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:51:26,995 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:51:26,995 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:51:26,995 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:51:26,995 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:51:26,996 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:51:26,996 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:51:27,003 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:51:27,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:27 WrapperNode [2023-11-06 22:51:27,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:51:27,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:51:27,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:51:27,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:51:27,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:27" (1/1) ... [2023-11-06 22:51:27,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:27" (1/1) ... [2023-11-06 22:51:27,096 INFO L138 Inliner]: procedures = 502, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 83 [2023-11-06 22:51:27,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:51:27,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:51:27,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:51:27,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:51:27,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:27" (1/1) ... [2023-11-06 22:51:27,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:27" (1/1) ... [2023-11-06 22:51:27,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:27" (1/1) ... [2023-11-06 22:51:27,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:27" (1/1) ... [2023-11-06 22:51:27,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:27" (1/1) ... [2023-11-06 22:51:27,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:27" (1/1) ... [2023-11-06 22:51:27,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:27" (1/1) ... [2023-11-06 22:51:27,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:27" (1/1) ... [2023-11-06 22:51:27,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:51:27,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:51:27,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:51:27,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:51:27,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:27" (1/1) ... [2023-11-06 22:51:27,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:51:27,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:51:27,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:51:27,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:51:27,289 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-06 22:51:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-06 22:51:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-06 22:51:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 22:51:27,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 22:51:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:51:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:51:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:51:27,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:51:27,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:51:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:51:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 22:51:27,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:51:27,439 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:51:27,441 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:51:27,587 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:51:27,593 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:51:27,594 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 22:51:27,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:51:27 BoogieIcfgContainer [2023-11-06 22:51:27,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:51:27,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:51:27,599 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:51:27,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:51:27,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:51:25" (1/3) ... [2023-11-06 22:51:27,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@935c8ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:51:27, skipping insertion in model container [2023-11-06 22:51:27,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:51:27" (2/3) ... [2023-11-06 22:51:27,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@935c8ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:51:27, skipping insertion in model container [2023-11-06 22:51:27,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:51:27" (3/3) ... [2023-11-06 22:51:27,605 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_16_good.i [2023-11-06 22:51:27,625 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:51:27,625 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-06 22:51:27,675 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:51:27,681 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;@49e56a5e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:51:27,682 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-06 22:51:27,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 33 states have internal predecessors, (42), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-06 22:51:27,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:51:27,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:27,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:51:27,694 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)] === [2023-11-06 22:51:27,699 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:27,700 INFO L85 PathProgramCache]: Analyzing trace with hash 402569436, now seen corresponding path program 1 times [2023-11-06 22:51:27,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:27,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483848168] [2023-11-06 22:51:27,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:27,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:28,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:51:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:28,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:28,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:28,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483848168] [2023-11-06 22:51:28,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483848168] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:28,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:28,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:51:28,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371748109] [2023-11-06 22:51:28,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:28,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:51:28,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:28,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:51:28,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:51:28,118 INFO L87 Difference]: Start difference. First operand has 40 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 33 states have internal predecessors, (42), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-11-06 22:51:28,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:28,148 INFO L93 Difference]: Finished difference Result 72 states and 95 transitions. [2023-11-06 22:51:28,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:51:28,150 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 12 [2023-11-06 22:51:28,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:28,158 INFO L225 Difference]: With dead ends: 72 [2023-11-06 22:51:28,158 INFO L226 Difference]: Without dead ends: 31 [2023-11-06 22:51:28,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:51:28,167 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:28,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:51:28,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-06 22:51:28,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-11-06 22:51:28,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 26 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-06 22:51:28,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2023-11-06 22:51:28,211 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 12 [2023-11-06 22:51:28,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:28,215 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2023-11-06 22:51:28,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-11-06 22:51:28,216 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-06 22:51:28,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 22:51:28,217 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:28,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:51:28,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:51:28,219 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-06 22:51:28,220 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:28,220 INFO L85 PathProgramCache]: Analyzing trace with hash 20684033, now seen corresponding path program 1 times [2023-11-06 22:51:28,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:28,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592797244] [2023-11-06 22:51:28,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:28,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:28,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:51:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:28,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:28,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:28,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592797244] [2023-11-06 22:51:28,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592797244] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:28,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:28,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:51:28,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80937098] [2023-11-06 22:51:28,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:28,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:51:28,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:28,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:51:28,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:51:28,476 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2023-11-06 22:51:28,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:28,519 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2023-11-06 22:51:28,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:51:28,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14 [2023-11-06 22:51:28,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:28,520 INFO L225 Difference]: With dead ends: 31 [2023-11-06 22:51:28,521 INFO L226 Difference]: Without dead ends: 30 [2023-11-06 22:51:28,521 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 [2023-11-06 22:51:28,523 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 7 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:28,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 47 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:51:28,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-11-06 22:51:28,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-11-06 22:51:28,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 25 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-06 22:51:28,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2023-11-06 22:51:28,543 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 14 [2023-11-06 22:51:28,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:28,544 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2023-11-06 22:51:28,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2023-11-06 22:51:28,544 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-11-06 22:51:28,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-06 22:51:28,545 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:28,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:51:28,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:51:28,546 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-06 22:51:28,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:28,547 INFO L85 PathProgramCache]: Analyzing trace with hash 641205102, now seen corresponding path program 1 times [2023-11-06 22:51:28,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:28,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504018943] [2023-11-06 22:51:28,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:28,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:28,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:51:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:28,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:51:28,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:28,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504018943] [2023-11-06 22:51:28,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504018943] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:28,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:28,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:51:28,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431098749] [2023-11-06 22:51:28,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:28,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:51:28,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:28,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:51:28,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:51:28,696 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:51:28,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:28,731 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2023-11-06 22:51:28,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:51:28,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-11-06 22:51:28,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:28,734 INFO L225 Difference]: With dead ends: 46 [2023-11-06 22:51:28,734 INFO L226 Difference]: Without dead ends: 33 [2023-11-06 22:51:28,735 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 [2023-11-06 22:51:28,736 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 6 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:51:28,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 54 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:51:28,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-06 22:51:28,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2023-11-06 22:51:28,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 26 states have internal predecessors, (28), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-06 22:51:28,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2023-11-06 22:51:28,746 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 15 [2023-11-06 22:51:28,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:28,747 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2023-11-06 22:51:28,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:51:28,747 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2023-11-06 22:51:28,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-06 22:51:28,748 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:51:28,748 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:51:28,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:51:28,749 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-06 22:51:28,750 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:51:28,750 INFO L85 PathProgramCache]: Analyzing trace with hash 2023051712, now seen corresponding path program 1 times [2023-11-06 22:51:28,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:51:28,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776051370] [2023-11-06 22:51:28,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:51:28,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:51:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:28,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:51:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:28,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 22:51:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:51:28,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 22:51:28,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:51:28,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776051370] [2023-11-06 22:51:28,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776051370] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:51:28,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:51:28,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:51:28,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808667243] [2023-11-06 22:51:28,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:51:28,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:51:28,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:51:28,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:51:28,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:51:28,904 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-11-06 22:51:28,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:51:28,925 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2023-11-06 22:51:28,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:51:28,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 [2023-11-06 22:51:28,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:51:28,927 INFO L225 Difference]: With dead ends: 32 [2023-11-06 22:51:28,927 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:51:28,932 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 [2023-11-06 22:51:28,939 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 57 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 [2023-11-06 22:51:28,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 57 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:51:28,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:51:28,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:51:28,945 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) [2023-11-06 22:51:28,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:51:28,946 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2023-11-06 22:51:28,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:51:28,947 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:51:28,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-11-06 22:51:28,947 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:51:28,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:51:28,950 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-06 22:51:28,951 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-06 22:51:28,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-06 22:51:28,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-06 22:51:28,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:51:28,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:51:29,011 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-06 22:51:29,012 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 22:51:29,012 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-06 22:51:29,012 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 22:51:29,012 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-06 22:51:29,012 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 22:51:29,013 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 22:51:29,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2023-11-06 22:51:29,013 INFO L902 garLoopResultBuilder]: At program point L1609(line 1609) the Hoare annotation is: true [2023-11-06 22:51:29,013 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1604 1611) the Hoare annotation is: true [2023-11-06 22:51:29,014 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) [2023-11-06 22:51:29,014 INFO L899 garLoopResultBuilder]: For program point L1609-1(line 1609) no Hoare annotation was computed. [2023-11-06 22:51:29,014 INFO L895 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483646)) [2023-11-06 22:51:29,014 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2023-11-06 22:51:29,015 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:51:29,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1571) no Hoare annotation was computed. [2023-11-06 22:51:29,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:51:29,015 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed. [2023-11-06 22:51:29,016 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2023-11-06 22:51:29,016 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2023-11-06 22:51:29,019 INFO L895 garLoopResultBuilder]: At program point $Ultimate##28(lines 1590 1597) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~1#1| 2) [2023-11-06 22:51:29,020 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1598) no Hoare annotation was computed. [2023-11-06 22:51:29,020 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1580) no Hoare annotation was computed. [2023-11-06 22:51:29,020 INFO L902 garLoopResultBuilder]: At program point $Ultimate##22(lines 1585 1589) the Hoare annotation is: true [2023-11-06 22:51:29,021 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1577) no Hoare annotation was computed. [2023-11-06 22:51:29,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1571) no Hoare annotation was computed. [2023-11-06 22:51:29,023 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:51:29,024 INFO L902 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: true [2023-11-06 22:51:29,024 INFO L899 garLoopResultBuilder]: For program point L1594-1(line 1594) no Hoare annotation was computed. [2023-11-06 22:51:29,024 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:51:29,027 INFO L902 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: true [2023-11-06 22:51:29,028 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2023-11-06 22:51:29,028 INFO L895 garLoopResultBuilder]: At program point $Ultimate##14(lines 1567 1579) the Hoare annotation is: (< 0 (+ 2147483649 |ULTIMATE.start_goodB2G_~data~0#1|)) [2023-11-06 22:51:29,029 INFO L895 garLoopResultBuilder]: At program point $Ultimate##5(lines 1552 1566) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483646)) [2023-11-06 22:51:29,029 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1603) no Hoare annotation was computed. [2023-11-06 22:51:29,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2023-11-06 22:51:29,030 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483646)) [2023-11-06 22:51:29,030 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2023-11-06 22:51:29,031 INFO L899 garLoopResultBuilder]: For program point L1571(line 1571) no Hoare annotation was computed. [2023-11-06 22:51:29,031 INFO L899 garLoopResultBuilder]: For program point L1571-1(line 1571) no Hoare annotation was computed. [2023-11-06 22:51:29,034 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:51:29,037 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:51:29,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:51:29 BoogieIcfgContainer [2023-11-06 22:51:29,052 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:51:29,052 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:51:29,053 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:51:29,053 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:51:29,053 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:51:27" (3/4) ... [2023-11-06 22:51:29,056 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:51:29,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-06 22:51:29,063 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-06 22:51:29,069 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-06 22:51:29,070 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-06 22:51:29,070 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:51:29,070 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:51:29,145 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:51:29,146 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:51:29,146 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:51:29,147 INFO L158 Benchmark]: Toolchain (without parser) took 3638.45ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 82.3MB in the beginning and 90.2MB in the end (delta: -8.0MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2023-11-06 22:51:29,147 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 102.8MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:51:29,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1492.75ms. Allocated memory is still 123.7MB. Free memory was 82.3MB in the beginning and 51.1MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-06 22:51:29,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.10ms. Allocated memory is still 123.7MB. Free memory was 51.1MB in the beginning and 47.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:51:29,148 INFO L158 Benchmark]: Boogie Preprocessor took 83.68ms. Allocated memory is still 123.7MB. Free memory was 47.9MB in the beginning and 93.5MB in the end (delta: -45.6MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-06 22:51:29,149 INFO L158 Benchmark]: RCFGBuilder took 414.77ms. Allocated memory is still 123.7MB. Free memory was 93.4MB in the beginning and 83.1MB in the end (delta: 10.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:51:29,149 INFO L158 Benchmark]: TraceAbstraction took 1453.31ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 82.3MB in the beginning and 94.4MB in the end (delta: -12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:51:29,150 INFO L158 Benchmark]: Witness Printer took 93.48ms. Allocated memory is still 153.1MB. Free memory was 94.4MB in the beginning and 90.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:51:29,152 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 102.8MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1492.75ms. Allocated memory is still 123.7MB. Free memory was 82.3MB in the beginning and 51.1MB in the end (delta: 31.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.10ms. Allocated memory is still 123.7MB. Free memory was 51.1MB in the beginning and 47.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.68ms. Allocated memory is still 123.7MB. Free memory was 47.9MB in the beginning and 93.5MB in the end (delta: -45.6MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * RCFGBuilder took 414.77ms. Allocated memory is still 123.7MB. Free memory was 93.4MB in the beginning and 83.1MB in the end (delta: 10.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1453.31ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 82.3MB in the beginning and 94.4MB in the end (delta: -12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 93.48ms. Allocated memory is still 153.1MB. Free memory was 94.4MB in the beginning and 90.2MB in the end (delta: 4.2MB). 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: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: 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, 40 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 204 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 138 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 22 PreInvPairs, 31 NumberOfFragments, 47 HoareAnnotationTreeSize, 22 FomulaSimplifications, 10 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 83 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 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: (data == 2) - InvariantResult [Line: 1604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: ((0 <= (data + 2147483648)) && (data <= 2147483646)) - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: (0 < (2147483649 + data)) - InvariantResult [Line: 1585]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:51:29,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7436573-5370-405b-a6aa-07da1689d8e1/bin/uautomizer-verify-WvqO1wxjHP/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