./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_14bb85ce-2d73-43d6-828f-c8dcafa09f63/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bb85ce-2d73-43d6-828f-c8dcafa09f63/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_14bb85ce-2d73-43d6-828f-c8dcafa09f63/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bb85ce-2d73-43d6-828f-c8dcafa09f63/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bb85ce-2d73-43d6-828f-c8dcafa09f63/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_14bb85ce-2d73-43d6-828f-c8dcafa09f63/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 bd91891ed16ce07b4ea07520eacc99b5798d318e09ce64d2f980deaa33fb7a20 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:49:13,798 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:49:13,924 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bb85ce-2d73-43d6-828f-c8dcafa09f63/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 07:49:13,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:49:13,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:49:13,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:49:13,971 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:49:13,972 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:49:13,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:49:13,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:49:13,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:49:13,981 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:49:13,981 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:49:13,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:49:13,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:49:13,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:49:13,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:49:13,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:49:13,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:49:13,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:49:13,987 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:49:13,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:49:13,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:49:13,989 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:49:13,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:49:13,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:49:13,991 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:49:13,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:13,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:49:13,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:49:13,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:49:13,994 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:49:13,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:49:13,995 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:49:13,995 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:49:13,995 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:49:13,996 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:49:13,996 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:49:13,996 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_14bb85ce-2d73-43d6-828f-c8dcafa09f63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bb85ce-2d73-43d6-828f-c8dcafa09f63/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd91891ed16ce07b4ea07520eacc99b5798d318e09ce64d2f980deaa33fb7a20 [2023-11-19 07:49:14,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:49:14,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:49:14,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:49:14,387 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:49:14,388 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:49:14,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bb85ce-2d73-43d6-828f-c8dcafa09f63/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_good.i [2023-11-19 07:49:17,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:49:17,894 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:49:17,897 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bb85ce-2d73-43d6-828f-c8dcafa09f63/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_51_good.i [2023-11-19 07:49:17,933 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bb85ce-2d73-43d6-828f-c8dcafa09f63/bin/uautomizer-verify-uCwYo4JHxu/data/e38b910be/f8104de86877431cb31755d085eb488b/FLAG7f78fbf2b [2023-11-19 07:49:17,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bb85ce-2d73-43d6-828f-c8dcafa09f63/bin/uautomizer-verify-uCwYo4JHxu/data/e38b910be/f8104de86877431cb31755d085eb488b [2023-11-19 07:49:17,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:49:17,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:49:17,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:17,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:49:17,969 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:49:17,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:17" (1/1) ... [2023-11-19 07:49:17,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46222955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:17, skipping insertion in model container [2023-11-19 07:49:17,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:17" (1/1) ... [2023-11-19 07:49:18,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:49:18,446 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:49:19,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:19,119 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:49:19,154 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 07:49:19,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:49:19,401 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:49:19,401 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:49:19,401 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:49:19,401 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:49:19,402 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:49:19,410 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:49:19,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:19 WrapperNode [2023-11-19 07:49:19,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:49:19,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:19,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:49:19,414 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:49:19,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:19" (1/1) ... [2023-11-19 07:49:19,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:19" (1/1) ... [2023-11-19 07:49:19,524 INFO L138 Inliner]: procedures = 503, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 103 [2023-11-19 07:49:19,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:49:19,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:49:19,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:49:19,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:49:19,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:19" (1/1) ... [2023-11-19 07:49:19,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:19" (1/1) ... [2023-11-19 07:49:19,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:19" (1/1) ... [2023-11-19 07:49:19,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:19" (1/1) ... [2023-11-19 07:49:19,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:19" (1/1) ... [2023-11-19 07:49:19,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:19" (1/1) ... [2023-11-19 07:49:19,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:19" (1/1) ... [2023-11-19 07:49:19,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:19" (1/1) ... [2023-11-19 07:49:19,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:49:19,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:49:19,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:49:19,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:49:19,604 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:19" (1/1) ... [2023-11-19 07:49:19,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:19,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bb85ce-2d73-43d6-828f-c8dcafa09f63/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:49:19,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bb85ce-2d73-43d6-828f-c8dcafa09f63/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:49:19,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bb85ce-2d73-43d6-828f-c8dcafa09f63/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:49:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 07:49:19,682 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 07:49:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 07:49:19,683 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 07:49:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:49:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:49:19,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:49:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 07:49:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:49:19,845 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:49:19,847 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:49:20,140 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:49:20,149 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:49:20,153 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:49:20,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:20 BoogieIcfgContainer [2023-11-19 07:49:20,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:49:20,162 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:49:20,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:49:20,166 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:49:20,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:49:17" (1/3) ... [2023-11-19 07:49:20,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e97089a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:20, skipping insertion in model container [2023-11-19 07:49:20,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:19" (2/3) ... [2023-11-19 07:49:20,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e97089a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:20, skipping insertion in model container [2023-11-19 07:49:20,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:20" (3/3) ... [2023-11-19 07:49:20,172 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_51_good.i [2023-11-19 07:49:20,194 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:49:20,195 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-19 07:49:20,262 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:49:20,270 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;@1f161387, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:49:20,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-19 07:49:20,276 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 43 states have (on average 1.4883720930232558) internal successors, (64), 48 states have internal predecessors, (64), 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 07:49:20,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 07:49:20,284 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:20,285 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:20,286 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 07:49:20,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:20,294 INFO L85 PathProgramCache]: Analyzing trace with hash 2023002601, now seen corresponding path program 1 times [2023-11-19 07:49:20,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:20,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202639614] [2023-11-19 07:49:20,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:20,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:20,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:49:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:20,666 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 07:49:20,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:20,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202639614] [2023-11-19 07:49:20,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202639614] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:20,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:20,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:20,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916930244] [2023-11-19 07:49:20,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:20,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:49:20,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:20,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:49:20,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:20,708 INFO L87 Difference]: Start difference. First operand has 55 states, 43 states have (on average 1.4883720930232558) internal successors, (64), 48 states have internal predecessors, (64), 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 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:49:20,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:20,751 INFO L93 Difference]: Finished difference Result 55 states and 74 transitions. [2023-11-19 07:49:20,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:49:20,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-11-19 07:49:20,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:49:20,761 INFO L225 Difference]: With dead ends: 55 [2023-11-19 07:49:20,762 INFO L226 Difference]: Without dead ends: 43 [2023-11-19 07:49:20,764 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 07:49:20,768 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 5 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 132 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 07:49:20,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 132 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:49:20,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-19 07:49:20,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-19 07:49:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 38 states have internal predecessors, (53), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:49:20,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2023-11-19 07:49:20,811 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 10 [2023-11-19 07:49:20,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:49:20,811 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions. [2023-11-19 07:49:20,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:49:20,812 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-19 07:49:20,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 07:49:20,813 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:20,813 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:20,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:49:20,814 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 07:49:20,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:20,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1711428758, now seen corresponding path program 1 times [2023-11-19 07:49:20,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:20,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453523011] [2023-11-19 07:49:20,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:20,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:20,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:49:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:20,911 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 07:49:20,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:20,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453523011] [2023-11-19 07:49:20,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453523011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:20,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:20,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:20,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333738706] [2023-11-19 07:49:20,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:20,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:49:20,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:20,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:49:20,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:20,923 INFO L87 Difference]: Start difference. First operand 43 states and 57 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:49:20,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:20,954 INFO L93 Difference]: Finished difference Result 69 states and 95 transitions. [2023-11-19 07:49:20,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:49:20,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-19 07:49:20,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:49:20,957 INFO L225 Difference]: With dead ends: 69 [2023-11-19 07:49:20,957 INFO L226 Difference]: Without dead ends: 42 [2023-11-19 07:49:20,958 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 07:49:20,960 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 2 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:49:20,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 100 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:49:20,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-19 07:49:20,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-11-19 07:49:20,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:49:20,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 55 transitions. [2023-11-19 07:49:20,969 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 55 transitions. Word has length 11 [2023-11-19 07:49:20,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:49:20,970 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 55 transitions. [2023-11-19 07:49:20,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:49:20,970 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2023-11-19 07:49:20,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 07:49:20,971 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:20,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:20,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:49:20,972 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 07:49:20,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:20,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1310126702, now seen corresponding path program 1 times [2023-11-19 07:49:20,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:20,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305006818] [2023-11-19 07:49:20,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:20,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:49:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:49:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,133 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 07:49:21,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:21,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305006818] [2023-11-19 07:49:21,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305006818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:21,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:21,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:21,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555683285] [2023-11-19 07:49:21,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:21,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:49:21,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:21,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:49:21,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:21,137 INFO L87 Difference]: Start difference. First operand 42 states and 55 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 07:49:21,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:21,150 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2023-11-19 07:49:21,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:49:21,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 27 [2023-11-19 07:49:21,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:49:21,152 INFO L225 Difference]: With dead ends: 42 [2023-11-19 07:49:21,152 INFO L226 Difference]: Without dead ends: 41 [2023-11-19 07:49:21,153 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 07:49:21,154 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 2 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:49:21,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 101 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:49:21,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-19 07:49:21,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-19 07:49:21,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:49:21,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2023-11-19 07:49:21,163 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 54 transitions. Word has length 27 [2023-11-19 07:49:21,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:49:21,164 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 54 transitions. [2023-11-19 07:49:21,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 07:49:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2023-11-19 07:49:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 07:49:21,166 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:49:21,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:49:21,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:49:21,167 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 07:49:21,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:49:21,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1959221954, now seen corresponding path program 1 times [2023-11-19 07:49:21,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:49:21,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664406454] [2023-11-19 07:49:21,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:49:21,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:49:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:49:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:49:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:49:21,270 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 07:49:21,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:49:21,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664406454] [2023-11-19 07:49:21,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664406454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:49:21,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:49:21,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:49:21,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205279760] [2023-11-19 07:49:21,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:49:21,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:49:21,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:49:21,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:49:21,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:49:21,275 INFO L87 Difference]: Start difference. First operand 41 states and 54 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 07:49:21,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:49:21,285 INFO L93 Difference]: Finished difference Result 41 states and 54 transitions. [2023-11-19 07:49:21,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:49:21,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 28 [2023-11-19 07:49:21,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:49:21,286 INFO L225 Difference]: With dead ends: 41 [2023-11-19 07:49:21,286 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:49:21,287 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 07:49:21,289 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:49:21,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:49:21,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:49:21,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:49:21,291 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 07:49:21,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:49:21,292 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2023-11-19 07:49:21,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:49:21,292 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:49:21,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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 07:49:21,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:49:21,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:49:21,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-19 07:49:21,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-19 07:49:21,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-19 07:49:21,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-19 07:49:21,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:49:21,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:49:21,325 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 07:49:21,326 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:49:21,326 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-19 07:49:21,326 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 07:49:21,326 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 07:49:21,327 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:49:21,327 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 07:49:21,327 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1591) no Hoare annotation was computed. [2023-11-19 07:49:21,327 INFO L902 garLoopResultBuilder]: At program point L1596(line 1596) the Hoare annotation is: true [2023-11-19 07:49:21,328 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 1569 1576) no Hoare annotation was computed. [2023-11-19 07:49:21,328 INFO L902 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: true [2023-11-19 07:49:21,328 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2023-11-19 07:49:21,328 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1581) no Hoare annotation was computed. [2023-11-19 07:49:21,328 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:49:21,329 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1568) no Hoare annotation was computed. [2023-11-19 07:49:21,329 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1597) no Hoare annotation was computed. [2023-11-19 07:49:21,329 INFO L899 garLoopResultBuilder]: For program point L1581(line 1581) no Hoare annotation was computed. [2023-11-19 07:49:21,329 INFO L899 garLoopResultBuilder]: For program point L1581-1(line 1581) no Hoare annotation was computed. [2023-11-19 07:49:21,330 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1581) no Hoare annotation was computed. [2023-11-19 07:49:21,330 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1563) no Hoare annotation was computed. [2023-11-19 07:49:21,330 INFO L895 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_multiply_51b_goodG2BSink_~data#1| 1) 0) (<= 0 (+ 2 |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_multiply_51b_goodG2BSink_~data#1|))) [2023-11-19 07:49:21,330 INFO L899 garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed. [2023-11-19 07:49:21,331 INFO L899 garLoopResultBuilder]: For program point L1549(lines 1549 1555) no Hoare annotation was computed. [2023-11-19 07:49:21,331 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:49:21,331 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true [2023-11-19 07:49:21,331 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2023-11-19 07:49:21,331 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2023-11-19 07:49:21,332 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2023-11-19 07:49:21,332 INFO L902 garLoopResultBuilder]: At program point L1592(line 1592) the Hoare annotation is: true [2023-11-19 07:49:21,332 INFO L899 garLoopResultBuilder]: For program point L1592-1(line 1592) no Hoare annotation was computed. [2023-11-19 07:49:21,332 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:49:21,333 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1599) no Hoare annotation was computed. [2023-11-19 07:49:21,333 INFO L899 garLoopResultBuilder]: For program point L1577(lines 1577 1584) no Hoare annotation was computed. [2023-11-19 07:49:21,333 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:49:21,333 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,334 INFO L899 garLoopResultBuilder]: For program point L1561-1(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,347 INFO L899 garLoopResultBuilder]: For program point L1561-3(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,348 INFO L899 garLoopResultBuilder]: For program point L1561-5(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,351 INFO L899 garLoopResultBuilder]: For program point L1561-7(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,351 INFO L899 garLoopResultBuilder]: For program point L1561-8(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,353 INFO L899 garLoopResultBuilder]: For program point L1561-10(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,354 INFO L899 garLoopResultBuilder]: For program point L1561-12(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,354 INFO L899 garLoopResultBuilder]: For program point L1561-14(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,355 INFO L899 garLoopResultBuilder]: For program point L1561-16(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,355 INFO L899 garLoopResultBuilder]: For program point L1561-18(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,355 INFO L899 garLoopResultBuilder]: For program point L1561-20(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,355 INFO L899 garLoopResultBuilder]: For program point L1561-22(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,356 INFO L899 garLoopResultBuilder]: For program point L1561-23(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,356 INFO L899 garLoopResultBuilder]: For program point L1561-25(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,356 INFO L899 garLoopResultBuilder]: For program point L1561-27(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,357 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1591) no Hoare annotation was computed. [2023-11-19 07:49:21,357 INFO L899 garLoopResultBuilder]: For program point L1561-29(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,358 INFO L899 garLoopResultBuilder]: For program point L1561-30(line 1561) no Hoare annotation was computed. [2023-11-19 07:49:21,360 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1598) no Hoare annotation was computed. [2023-11-19 07:49:21,360 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1583) no Hoare annotation was computed. [2023-11-19 07:49:21,364 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 07:49:21,368 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:49:21,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:49:21 BoogieIcfgContainer [2023-11-19 07:49:21,379 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:49:21,379 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:49:21,379 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:49:21,387 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:49:21,387 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:20" (3/4) ... [2023-11-19 07:49:21,390 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:49:21,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 07:49:21,397 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 07:49:21,406 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 07:49:21,407 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:49:21,407 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:49:21,407 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:49:21,518 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bb85ce-2d73-43d6-828f-c8dcafa09f63/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:49:21,519 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bb85ce-2d73-43d6-828f-c8dcafa09f63/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:49:21,519 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:49:21,520 INFO L158 Benchmark]: Toolchain (without parser) took 3559.62ms. Allocated memory was 113.2MB in the beginning and 169.9MB in the end (delta: 56.6MB). Free memory was 66.5MB in the beginning and 128.9MB in the end (delta: -62.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:49:21,520 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory was 86.3MB in the beginning and 86.1MB in the end (delta: 158.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:49:21,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1448.47ms. Allocated memory was 113.2MB in the beginning and 169.9MB in the end (delta: 56.6MB). Free memory was 66.2MB in the beginning and 97.1MB in the end (delta: -30.9MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2023-11-19 07:49:21,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.06ms. Allocated memory is still 169.9MB. Free memory was 97.1MB in the beginning and 93.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:49:21,522 INFO L158 Benchmark]: Boogie Preprocessor took 75.79ms. Allocated memory is still 169.9MB. Free memory was 93.7MB in the beginning and 92.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:49:21,522 INFO L158 Benchmark]: RCFGBuilder took 555.90ms. Allocated memory is still 169.9MB. Free memory was 92.5MB in the beginning and 131.0MB in the end (delta: -38.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:49:21,522 INFO L158 Benchmark]: TraceAbstraction took 1216.33ms. Allocated memory is still 169.9MB. Free memory was 130.0MB in the beginning and 134.1MB in the end (delta: -4.1MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2023-11-19 07:49:21,523 INFO L158 Benchmark]: Witness Printer took 139.86ms. Allocated memory is still 169.9MB. Free memory was 134.1MB in the beginning and 128.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:49:21,525 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory was 86.3MB in the beginning and 86.1MB in the end (delta: 158.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1448.47ms. Allocated memory was 113.2MB in the beginning and 169.9MB in the end (delta: 56.6MB). Free memory was 66.2MB in the beginning and 97.1MB in the end (delta: -30.9MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.06ms. Allocated memory is still 169.9MB. Free memory was 97.1MB in the beginning and 93.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.79ms. Allocated memory is still 169.9MB. Free memory was 93.7MB in the beginning and 92.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 555.90ms. Allocated memory is still 169.9MB. Free memory was 92.5MB in the beginning and 131.0MB in the end (delta: -38.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1216.33ms. Allocated memory is still 169.9MB. Free memory was 130.0MB in the beginning and 134.1MB in the end (delta: -4.1MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * Witness Printer took 139.86ms. Allocated memory is still 169.9MB. Free memory was 134.1MB in the beginning and 128.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. 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: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: 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, 55 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 433 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 210 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 223 mSDtfsCounter, 17 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=55occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 0.4s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 104 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:49:21,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bb85ce-2d73-43d6-828f-c8dcafa09f63/bin/uautomizer-verify-uCwYo4JHxu/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