./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 a1deda5711e3ef3969955e274d1ced7f119539efe0fa985c6b7bc118d4d99189 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:59:13,253 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:59:13,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 07:59:13,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:59:13,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:59:13,393 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:59:13,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:59:13,395 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:59:13,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:59:13,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:59:13,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:59:13,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:59:13,399 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:59:13,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:59:13,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:59:13,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:59:13,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:59:13,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:59:13,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:59:13,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:59:13,404 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:59:13,405 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:59:13,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:59:13,406 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:59:13,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:59:13,407 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:59:13,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:59:13,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:59:13,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:59:13,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:59:13,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:59:13,415 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:59:13,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:59:13,416 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:59:13,416 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:59:13,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:59:13,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:59:13,418 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:59:13,418 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_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1deda5711e3ef3969955e274d1ced7f119539efe0fa985c6b7bc118d4d99189 [2023-11-19 07:59:13,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:59:13,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:59:13,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:59:13,838 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:59:13,839 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:59:13,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_good.i [2023-11-19 07:59:17,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:59:17,483 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:59:17,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_good.i [2023-11-19 07:59:17,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu/data/2cd2bbf54/4a684abce7c34afa81ec9236321d9c80/FLAGbda8c52f4 [2023-11-19 07:59:17,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu/data/2cd2bbf54/4a684abce7c34afa81ec9236321d9c80 [2023-11-19 07:59:17,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:59:17,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:59:17,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:17,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:59:17,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:59:17,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:17" (1/1) ... [2023-11-19 07:59:17,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78452dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:17, skipping insertion in model container [2023-11-19 07:59:17,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:17" (1/1) ... [2023-11-19 07:59:17,745 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:59:18,182 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:59:18,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:18,793 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:59:18,819 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:59:18,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:19,121 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:19,121 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:19,122 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:19,122 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:19,122 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:59:19,130 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:59:19,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19 WrapperNode [2023-11-19 07:59:19,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:19,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:19,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:59:19,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:59:19,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,227 INFO L138 Inliner]: procedures = 503, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 101 [2023-11-19 07:59:19,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:19,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:59:19,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:59:19,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:59:19,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:59:19,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:59:19,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:59:19,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:59:19,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:59:19,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:19,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:19,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:59:19,386 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 07:59:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 07:59:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 07:59:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 07:59:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:59:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:59:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:59:19,387 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 07:59:19,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:59:19,574 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:59:19,576 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:59:19,856 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:59:19,870 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:59:19,870 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:59:19,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:19 BoogieIcfgContainer [2023-11-19 07:59:19,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:59:19,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:59:19,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:59:19,893 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:59:19,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:59:17" (1/3) ... [2023-11-19 07:59:19,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41df51d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:19, skipping insertion in model container [2023-11-19 07:59:19,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (2/3) ... [2023-11-19 07:59:19,896 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41df51d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:59:19, skipping insertion in model container [2023-11-19 07:59:19,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:19" (3/3) ... [2023-11-19 07:59:19,898 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_41_good.i [2023-11-19 07:59:19,923 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:59:19,923 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-19 07:59:20,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:59:20,028 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=LoopHeads, 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;@34f364db, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:59:20,028 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-19 07:59:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 46 states have internal predecessors, (60), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 07:59:20,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 07:59:20,044 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:20,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:20,046 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)] === [2023-11-19 07:59:20,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:20,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1192009013, now seen corresponding path program 1 times [2023-11-19 07:59:20,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:20,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362697316] [2023-11-19 07:59:20,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:20,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:20,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:59:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:20,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:59:20,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:20,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362697316] [2023-11-19 07:59:20,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362697316] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:20,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:20,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:59:20,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274489590] [2023-11-19 07:59:20,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:20,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:20,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:20,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:20,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:20,623 INFO L87 Difference]: Start difference. First operand has 53 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 46 states have internal predecessors, (60), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:20,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:20,695 INFO L93 Difference]: Finished difference Result 54 states and 71 transitions. [2023-11-19 07:59:20,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:20,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-11-19 07:59:20,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:20,707 INFO L225 Difference]: With dead ends: 54 [2023-11-19 07:59:20,707 INFO L226 Difference]: Without dead ends: 43 [2023-11-19 07:59:20,710 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 [2023-11-19 07:59:20,715 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 4 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:20,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 126 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:59:20,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-19 07:59:20,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2023-11-19 07:59:20,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 34 states have (on average 1.5) internal successors, (51), 37 states have internal predecessors, (51), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:59:20,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2023-11-19 07:59:20,770 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 57 transitions. Word has length 16 [2023-11-19 07:59:20,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:20,772 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 57 transitions. [2023-11-19 07:59:20,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:59:20,773 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2023-11-19 07:59:20,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 07:59:20,775 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:20,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:20,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:59:20,776 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)] === [2023-11-19 07:59:20,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:20,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1702426387, now seen corresponding path program 1 times [2023-11-19 07:59:20,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:20,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118132934] [2023-11-19 07:59:20,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:20,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:21,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:59:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:21,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:59:21,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:21,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118132934] [2023-11-19 07:59:21,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118132934] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:21,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:21,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:59:21,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707478619] [2023-11-19 07:59:21,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:21,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:21,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:21,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:21,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:21,045 INFO L87 Difference]: Start difference. First operand 42 states and 57 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, (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) [2023-11-19 07:59:21,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:21,062 INFO L93 Difference]: Finished difference Result 42 states and 57 transitions. [2023-11-19 07:59:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:21,063 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, (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 17 [2023-11-19 07:59:21,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:21,064 INFO L225 Difference]: With dead ends: 42 [2023-11-19 07:59:21,065 INFO L226 Difference]: Without dead ends: 41 [2023-11-19 07:59:21,065 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 [2023-11-19 07:59:21,067 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 3 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 99 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 [2023-11-19 07:59:21,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 99 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:59:21,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-19 07:59:21,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-19 07:59:21,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 36 states have internal predecessors, (50), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:59:21,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2023-11-19 07:59:21,080 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 17 [2023-11-19 07:59:21,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:21,082 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2023-11-19 07:59:21,083 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, (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) [2023-11-19 07:59:21,083 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-19 07:59:21,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:59:21,086 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:21,087 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:21,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:59:21,087 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)] === [2023-11-19 07:59:21,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:21,089 INFO L85 PathProgramCache]: Analyzing trace with hash -432976345, now seen corresponding path program 1 times [2023-11-19 07:59:21,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:21,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485158096] [2023-11-19 07:59:21,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:21,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:59:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:21,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-19 07:59:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:21,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:59:21,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:21,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485158096] [2023-11-19 07:59:21,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485158096] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:21,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:21,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:59:21,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526803867] [2023-11-19 07:59:21,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:21,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:21,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:21,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:21,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:21,200 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-19 07:59:21,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:21,209 INFO L93 Difference]: Finished difference Result 41 states and 56 transitions. [2023-11-19 07:59:21,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:21,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 23 [2023-11-19 07:59:21,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:21,212 INFO L225 Difference]: With dead ends: 41 [2023-11-19 07:59:21,212 INFO L226 Difference]: Without dead ends: 40 [2023-11-19 07:59:21,212 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 [2023-11-19 07:59:21,214 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 2 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:21,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 105 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:59:21,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-19 07:59:21,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-19 07:59:21,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-19 07:59:21,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 55 transitions. [2023-11-19 07:59:21,223 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 55 transitions. Word has length 23 [2023-11-19 07:59:21,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:21,224 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 55 transitions. [2023-11-19 07:59:21,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-19 07:59:21,225 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-19 07:59:21,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 07:59:21,226 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:59:21,226 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:21,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:59:21,227 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)] === [2023-11-19 07:59:21,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:21,228 INFO L85 PathProgramCache]: Analyzing trace with hash -537364668, now seen corresponding path program 1 times [2023-11-19 07:59:21,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:21,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735161408] [2023-11-19 07:59:21,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:21,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:21,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:59:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:21,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-19 07:59:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:59:21,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:21,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735161408] [2023-11-19 07:59:21,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735161408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:21,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:21,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:59:21,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560644681] [2023-11-19 07:59:21,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:21,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:59:21,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:21,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:59:21,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:59:21,378 INFO L87 Difference]: Start difference. First operand 40 states and 55 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) [2023-11-19 07:59:21,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:21,402 INFO L93 Difference]: Finished difference Result 40 states and 55 transitions. [2023-11-19 07:59:21,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:59:21,404 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 24 [2023-11-19 07:59:21,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:59:21,405 INFO L225 Difference]: With dead ends: 40 [2023-11-19 07:59:21,405 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:59:21,407 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 [2023-11-19 07:59:21,414 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:59:21,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:59:21,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:59:21,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:59:21,423 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) [2023-11-19 07:59:21,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:59:21,424 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2023-11-19 07:59:21,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:59:21,425 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:59:21,425 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) [2023-11-19 07:59:21,425 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:59:21,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:59:21,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-19 07:59:21,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-19 07:59:21,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-19 07:59:21,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-19 07:59:21,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:59:21,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:59:21,463 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 07:59:21,463 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:59:21,463 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-19 07:59:21,464 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:59:21,464 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 07:59:21,465 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:59:21,465 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:59:21,466 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1551) no Hoare annotation was computed. [2023-11-19 07:59:21,467 INFO L899 garLoopResultBuilder]: For program point L1555(lines 1555 1561) no Hoare annotation was computed. [2023-11-19 07:59:21,468 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 1586 1593) no Hoare annotation was computed. [2023-11-19 07:59:21,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-19 07:59:21,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:59:21,470 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2023-11-19 07:59:21,471 INFO L902 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: true [2023-11-19 07:59:21,471 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2023-11-19 07:59:21,471 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1585) no Hoare annotation was computed. [2023-11-19 07:59:21,471 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1554) no Hoare annotation was computed. [2023-11-19 07:59:21,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-19 07:59:21,472 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:59:21,473 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1580) no Hoare annotation was computed. [2023-11-19 07:59:21,473 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2023-11-19 07:59:21,473 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-19 07:59:21,474 INFO L902 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: true [2023-11-19 07:59:21,475 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2023-11-19 07:59:21,476 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2GSink_~data#1| 2147483647) (<= 0 (+ 2147483647 |ULTIMATE.start_goodB2GSink_~data#1|))) [2023-11-19 07:59:21,476 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2023-11-19 07:59:21,476 INFO L899 garLoopResultBuilder]: For program point L1551(line 1551) no Hoare annotation was computed. [2023-11-19 07:59:21,476 INFO L899 garLoopResultBuilder]: For program point L1551-1(line 1551) no Hoare annotation was computed. [2023-11-19 07:59:21,477 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:59:21,477 INFO L902 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: true [2023-11-19 07:59:21,477 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2023-11-19 07:59:21,477 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:59:21,478 INFO L899 garLoopResultBuilder]: For program point L1578(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,478 INFO L899 garLoopResultBuilder]: For program point L1578-1(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,478 INFO L899 garLoopResultBuilder]: For program point L1578-3(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,478 INFO L899 garLoopResultBuilder]: For program point L1578-5(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,479 INFO L899 garLoopResultBuilder]: For program point L1578-7(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,479 INFO L899 garLoopResultBuilder]: For program point L1578-8(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,482 INFO L899 garLoopResultBuilder]: For program point L1578-10(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,483 INFO L899 garLoopResultBuilder]: For program point L1578-12(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,485 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1551) no Hoare annotation was computed. [2023-11-19 07:59:21,485 INFO L899 garLoopResultBuilder]: For program point L1578-14(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,485 INFO L899 garLoopResultBuilder]: For program point L1578-16(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,487 INFO L899 garLoopResultBuilder]: For program point L1578-18(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,487 INFO L899 garLoopResultBuilder]: For program point L1578-20(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,487 INFO L899 garLoopResultBuilder]: For program point L1578-22(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,488 INFO L899 garLoopResultBuilder]: For program point L1578-23(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,488 INFO L899 garLoopResultBuilder]: For program point L1578-25(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,489 INFO L899 garLoopResultBuilder]: For program point L1578-27(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,489 INFO L899 garLoopResultBuilder]: For program point L1578-29(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,490 INFO L899 garLoopResultBuilder]: For program point L1578-30(line 1578) no Hoare annotation was computed. [2023-11-19 07:59:21,492 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (< |ULTIMATE.start_goodB2GSink_~data#1| 2147483648) [2023-11-19 07:59:21,496 INFO L899 garLoopResultBuilder]: For program point L1571-1(lines 1562 1573) no Hoare annotation was computed. [2023-11-19 07:59:21,501 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:59:21,504 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:59:21,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:59:21 BoogieIcfgContainer [2023-11-19 07:59:21,512 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:59:21,512 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:59:21,513 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:59:21,513 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:59:21,514 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:19" (3/4) ... [2023-11-19 07:59:21,527 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:59:21,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 07:59:21,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 07:59:21,548 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 07:59:21,549 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:59:21,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:59:21,550 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:59:21,693 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:59:21,694 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:59:21,694 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:59:21,695 INFO L158 Benchmark]: Toolchain (without parser) took 4040.99ms. Allocated memory is still 167.8MB. Free memory was 139.4MB in the beginning and 58.1MB in the end (delta: 81.3MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2023-11-19 07:59:21,696 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory was 141.8MB in the beginning and 141.7MB in the end (delta: 88.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:59:21,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1475.94ms. Allocated memory is still 167.8MB. Free memory was 138.9MB in the beginning and 75.3MB in the end (delta: 63.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-19 07:59:21,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.03ms. Allocated memory is still 167.8MB. Free memory was 74.8MB in the beginning and 71.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:59:21,697 INFO L158 Benchmark]: Boogie Preprocessor took 69.98ms. Allocated memory is still 167.8MB. Free memory was 71.7MB in the beginning and 70.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:59:21,698 INFO L158 Benchmark]: RCFGBuilder took 574.96ms. Allocated memory is still 167.8MB. Free memory was 70.1MB in the beginning and 53.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:59:21,698 INFO L158 Benchmark]: TraceAbstraction took 1633.59ms. Allocated memory is still 167.8MB. Free memory was 53.3MB in the beginning and 63.4MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:59:21,698 INFO L158 Benchmark]: Witness Printer took 182.05ms. Allocated memory is still 167.8MB. Free memory was 63.4MB in the beginning and 58.1MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:59:21,702 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory was 141.8MB in the beginning and 141.7MB in the end (delta: 88.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1475.94ms. Allocated memory is still 167.8MB. Free memory was 138.9MB in the beginning and 75.3MB in the end (delta: 63.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.03ms. Allocated memory is still 167.8MB. Free memory was 74.8MB in the beginning and 71.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.98ms. Allocated memory is still 167.8MB. Free memory was 71.7MB in the beginning and 70.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.96ms. Allocated memory is still 167.8MB. Free memory was 70.1MB in the beginning and 53.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1633.59ms. Allocated memory is still 167.8MB. Free memory was 53.3MB in the beginning and 63.4MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 182.05ms. Allocated memory is still 167.8MB. Free memory was 63.4MB in the beginning and 58.1MB in the end (delta: 5.4MB). 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1551]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 435 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 211 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 224 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 7 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 17 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 98 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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 RESULT: Ultimate proved your program to be correct! [2023-11-19 07:59:21,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4288fe88-0e79-4fa7-8670-faf61d785d11/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE