./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 e7bb482b 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_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP/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_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a1deda5711e3ef3969955e274d1ced7f119539efe0fa985c6b7bc118d4d99189 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:06:59,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:06:59,459 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 23:06:59,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:06:59,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:06:59,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:06:59,521 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:06:59,522 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:06:59,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:06:59,531 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:06:59,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:06:59,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:06:59,534 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:06:59,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:06:59,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:06:59,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:06:59,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:06:59,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:06:59,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:06:59,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:06:59,540 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 23:06:59,541 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:06:59,542 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:06:59,544 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:06:59,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:06:59,545 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:06:59,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:06:59,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:06:59,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:06:59,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:06:59,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:06:59,549 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:06:59,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:06:59,550 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:06:59,550 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:06:59,550 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:06:59,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:06:59,551 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:06:59,551 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_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1deda5711e3ef3969955e274d1ced7f119539efe0fa985c6b7bc118d4d99189 [2023-11-06 23:07:00,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:07:00,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:07:00,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:07:00,057 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:07:00,058 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:07:00,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_good.i [2023-11-06 23:07:03,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:07:04,104 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:07:04,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c7d60f-ef0e-4dd2-b708-34b77e843121/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_41_good.i [2023-11-06 23:07:04,135 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP/data/a0f125f1b/82ce3df00c9d417c86d8b9bc4c58bf58/FLAG4519a580e [2023-11-06 23:07:04,157 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP/data/a0f125f1b/82ce3df00c9d417c86d8b9bc4c58bf58 [2023-11-06 23:07:04,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:07:04,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:07:04,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:07:04,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:07:04,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:07:04,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:07:04" (1/1) ... [2023-11-06 23:07:04,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1513d77a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:04, skipping insertion in model container [2023-11-06 23:07:04,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:07:04" (1/1) ... [2023-11-06 23:07:04,315 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:07:04,823 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 23:07:05,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:07:05,587 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:07:05,620 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 23:07:05,697 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:07:05,922 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:07:05,926 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:07:05,927 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:07:05,927 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:07:05,927 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:07:05,936 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:07:05,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:05 WrapperNode [2023-11-06 23:07:05,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:07:05,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:07:05,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:07:05,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:07:05,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:05" (1/1) ... [2023-11-06 23:07:06,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:05" (1/1) ... [2023-11-06 23:07:06,062 INFO L138 Inliner]: procedures = 503, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 101 [2023-11-06 23:07:06,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:07:06,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:07:06,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:07:06,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:07:06,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:05" (1/1) ... [2023-11-06 23:07:06,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:05" (1/1) ... [2023-11-06 23:07:06,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:05" (1/1) ... [2023-11-06 23:07:06,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:05" (1/1) ... [2023-11-06 23:07:06,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:05" (1/1) ... [2023-11-06 23:07:06,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:05" (1/1) ... [2023-11-06 23:07:06,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:05" (1/1) ... [2023-11-06 23:07:06,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:05" (1/1) ... [2023-11-06 23:07:06,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:07:06,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:07:06,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:07:06,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:07:06,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:05" (1/1) ... [2023-11-06 23:07:06,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:07:06,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:06,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:06,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:07:06,220 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-06 23:07:06,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-06 23:07:06,221 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 23:07:06,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 23:07:06,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:07:06,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:07:06,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:07:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 23:07:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:07:06,477 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:07:06,479 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:07:06,776 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:07:06,784 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:07:06,784 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 23:07:06,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:07:06 BoogieIcfgContainer [2023-11-06 23:07:06,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:07:06,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:07:06,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:07:06,794 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:07:06,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:07:04" (1/3) ... [2023-11-06 23:07:06,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc49b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:07:06, skipping insertion in model container [2023-11-06 23:07:06,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:05" (2/3) ... [2023-11-06 23:07:06,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc49b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:07:06, skipping insertion in model container [2023-11-06 23:07:06,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:07:06" (3/3) ... [2023-11-06 23:07:06,797 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_41_good.i [2023-11-06 23:07:06,820 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:07:06,820 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-06 23:07:06,907 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:07:06,916 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a85c1c0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:07:06,917 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-06 23:07:06,923 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) [2023-11-06 23:07:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-06 23:07:06,933 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:06,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:07:06,934 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-06 23:07:06,943 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:06,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1192009013, now seen corresponding path program 1 times [2023-11-06 23:07:06,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:06,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508699874] [2023-11-06 23:07:06,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:06,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:07,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:07:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:07,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:07:07,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:07:07,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508699874] [2023-11-06 23:07:07,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508699874] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:07:07,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:07:07,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:07:07,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985948259] [2023-11-06 23:07:07,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:07:07,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:07:07,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:07:07,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:07:07,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:07:07,404 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) [2023-11-06 23:07:07,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:07,470 INFO L93 Difference]: Finished difference Result 54 states and 71 transitions. [2023-11-06 23:07:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:07:07,473 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 [2023-11-06 23:07:07,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:07,480 INFO L225 Difference]: With dead ends: 54 [2023-11-06 23:07:07,480 INFO L226 Difference]: Without dead ends: 43 [2023-11-06 23:07:07,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:07:07,487 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 [2023-11-06 23:07:07,488 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] [2023-11-06 23:07:07,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-06 23:07:07,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2023-11-06 23:07:07,535 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) [2023-11-06 23:07:07,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2023-11-06 23:07:07,539 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 57 transitions. Word has length 16 [2023-11-06 23:07:07,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:07:07,541 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 57 transitions. [2023-11-06 23:07:07,541 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) [2023-11-06 23:07:07,542 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2023-11-06 23:07:07,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 23:07:07,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:07,544 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:07:07,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:07:07,545 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)] === [2023-11-06 23:07:07,546 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:07,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1702426387, now seen corresponding path program 1 times [2023-11-06 23:07:07,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:07,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412320570] [2023-11-06 23:07:07,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:07,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:07,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:07:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:07,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:07:07,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:07:07,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412320570] [2023-11-06 23:07:07,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412320570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:07:08,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:07:08,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:07:08,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630223336] [2023-11-06 23:07:08,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:07:08,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:07:08,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:07:08,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:07:08,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:07:08,004 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) [2023-11-06 23:07:08,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:08,020 INFO L93 Difference]: Finished difference Result 42 states and 57 transitions. [2023-11-06 23:07:08,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:07:08,021 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 [2023-11-06 23:07:08,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:08,023 INFO L225 Difference]: With dead ends: 42 [2023-11-06 23:07:08,023 INFO L226 Difference]: Without dead ends: 41 [2023-11-06 23:07:08,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:07:08,026 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 [2023-11-06 23:07:08,026 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] [2023-11-06 23:07:08,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-06 23:07:08,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-06 23:07:08,034 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) [2023-11-06 23:07:08,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2023-11-06 23:07:08,036 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 17 [2023-11-06 23:07:08,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:07:08,037 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2023-11-06 23:07:08,037 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) [2023-11-06 23:07:08,037 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-06 23:07:08,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-06 23:07:08,039 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:08,039 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] [2023-11-06 23:07:08,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:07:08,040 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)] === [2023-11-06 23:07:08,040 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:08,040 INFO L85 PathProgramCache]: Analyzing trace with hash -432976345, now seen corresponding path program 1 times [2023-11-06 23:07:08,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:08,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760268821] [2023-11-06 23:07:08,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:08,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:07:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 23:07:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 23:07:08,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:07:08,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760268821] [2023-11-06 23:07:08,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760268821] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:07:08,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:07:08,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:07:08,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52615923] [2023-11-06 23:07:08,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:07:08,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:07:08,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:07:08,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:07:08,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:07:08,234 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) [2023-11-06 23:07:08,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:08,246 INFO L93 Difference]: Finished difference Result 41 states and 56 transitions. [2023-11-06 23:07:08,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:07:08,247 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 [2023-11-06 23:07:08,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:08,248 INFO L225 Difference]: With dead ends: 41 [2023-11-06 23:07:08,248 INFO L226 Difference]: Without dead ends: 40 [2023-11-06 23:07:08,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:07:08,251 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 [2023-11-06 23:07:08,252 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] [2023-11-06 23:07:08,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-06 23:07:08,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-06 23:07:08,258 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) [2023-11-06 23:07:08,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 55 transitions. [2023-11-06 23:07:08,260 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 55 transitions. Word has length 23 [2023-11-06 23:07:08,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:07:08,261 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 55 transitions. [2023-11-06 23:07:08,261 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) [2023-11-06 23:07:08,261 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-06 23:07:08,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-06 23:07:08,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:08,263 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] [2023-11-06 23:07:08,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:07:08,264 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)] === [2023-11-06 23:07:08,264 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:08,265 INFO L85 PathProgramCache]: Analyzing trace with hash -537364668, now seen corresponding path program 1 times [2023-11-06 23:07:08,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:08,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681005008] [2023-11-06 23:07:08,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:08,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:07:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 23:07:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,360 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 23:07:08,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:07:08,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681005008] [2023-11-06 23:07:08,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681005008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:07:08,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:07:08,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:07:08,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176501392] [2023-11-06 23:07:08,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:07:08,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:07:08,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:07:08,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:07:08,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:07:08,364 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) [2023-11-06 23:07:08,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:08,373 INFO L93 Difference]: Finished difference Result 40 states and 55 transitions. [2023-11-06 23:07:08,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:07:08,374 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 [2023-11-06 23:07:08,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:08,375 INFO L225 Difference]: With dead ends: 40 [2023-11-06 23:07:08,375 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 23:07:08,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:07:08,378 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 [2023-11-06 23:07:08,379 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] [2023-11-06 23:07:08,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 23:07:08,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 23:07:08,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:07:08,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 23:07:08,381 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2023-11-06 23:07:08,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:07:08,382 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:07:08,382 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) [2023-11-06 23:07:08,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:07:08,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 23:07:08,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-06 23:07:08,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-06 23:07:08,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-06 23:07:08,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-06 23:07:08,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:07:08,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 23:07:08,417 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-06 23:07:08,417 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 23:07:08,417 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-06 23:07:08,418 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 23:07:08,418 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-06 23:07:08,418 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 23:07:08,418 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 23:07:08,419 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1551) no Hoare annotation was computed. [2023-11-06 23:07:08,419 INFO L899 garLoopResultBuilder]: For program point L1555(lines 1555 1561) no Hoare annotation was computed. [2023-11-06 23:07:08,419 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1586 1593) the Hoare annotation is: true [2023-11-06 23:07:08,420 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-06 23:07:08,420 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 23:07:08,420 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2023-11-06 23:07:08,420 INFO L902 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: true [2023-11-06 23:07:08,421 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2023-11-06 23:07:08,421 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1585) no Hoare annotation was computed. [2023-11-06 23:07:08,421 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1554) no Hoare annotation was computed. [2023-11-06 23:07:08,421 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-06 23:07:08,422 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 23:07:08,422 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1580) no Hoare annotation was computed. [2023-11-06 23:07:08,422 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2023-11-06 23:07:08,422 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-06 23:07:08,423 INFO L902 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: true [2023-11-06 23:07:08,423 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2023-11-06 23:07:08,423 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|))) [2023-11-06 23:07:08,424 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2023-11-06 23:07:08,424 INFO L899 garLoopResultBuilder]: For program point L1551(line 1551) no Hoare annotation was computed. [2023-11-06 23:07:08,424 INFO L899 garLoopResultBuilder]: For program point L1551-1(line 1551) no Hoare annotation was computed. [2023-11-06 23:07:08,424 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 23:07:08,425 INFO L902 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: true [2023-11-06 23:07:08,425 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2023-11-06 23:07:08,425 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 23:07:08,425 INFO L899 garLoopResultBuilder]: For program point L1578(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,426 INFO L899 garLoopResultBuilder]: For program point L1578-1(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,426 INFO L899 garLoopResultBuilder]: For program point L1578-3(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,427 INFO L899 garLoopResultBuilder]: For program point L1578-5(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,427 INFO L899 garLoopResultBuilder]: For program point L1578-7(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,429 INFO L899 garLoopResultBuilder]: For program point L1578-8(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,433 INFO L899 garLoopResultBuilder]: For program point L1578-10(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,434 INFO L899 garLoopResultBuilder]: For program point L1578-12(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,435 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1551) no Hoare annotation was computed. [2023-11-06 23:07:08,435 INFO L899 garLoopResultBuilder]: For program point L1578-14(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,435 INFO L899 garLoopResultBuilder]: For program point L1578-16(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,435 INFO L899 garLoopResultBuilder]: For program point L1578-18(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,436 INFO L899 garLoopResultBuilder]: For program point L1578-20(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,436 INFO L899 garLoopResultBuilder]: For program point L1578-22(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,436 INFO L899 garLoopResultBuilder]: For program point L1578-23(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,436 INFO L899 garLoopResultBuilder]: For program point L1578-25(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,436 INFO L899 garLoopResultBuilder]: For program point L1578-27(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,437 INFO L899 garLoopResultBuilder]: For program point L1578-29(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,437 INFO L899 garLoopResultBuilder]: For program point L1578-30(line 1578) no Hoare annotation was computed. [2023-11-06 23:07:08,440 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (< |ULTIMATE.start_goodB2GSink_~data#1| 2147483648) [2023-11-06 23:07:08,442 INFO L899 garLoopResultBuilder]: For program point L1571-1(lines 1562 1573) no Hoare annotation was computed. [2023-11-06 23:07:08,446 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 23:07:08,448 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:07:08,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:07:08 BoogieIcfgContainer [2023-11-06 23:07:08,458 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:07:08,459 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:07:08,459 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:07:08,460 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:07:08,460 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:07:06" (3/4) ... [2023-11-06 23:07:08,463 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:07:08,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-06 23:07:08,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-06 23:07:08,476 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-06 23:07:08,476 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 23:07:08,477 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 23:07:08,477 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:07:08,558 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:07:08,559 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:07:08,559 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:07:08,559 INFO L158 Benchmark]: Toolchain (without parser) took 4394.48ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 64.9MB in the end (delta: 46.4MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2023-11-06 23:07:08,560 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 114.5MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:07:08,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1769.58ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 110.0MB in the end (delta: 1.3MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2023-11-06 23:07:08,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.74ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 106.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:07:08,561 INFO L158 Benchmark]: Boogie Preprocessor took 65.61ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:07:08,561 INFO L158 Benchmark]: RCFGBuilder took 652.81ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 89.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 23:07:08,562 INFO L158 Benchmark]: TraceAbstraction took 1668.69ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 69.1MB in the end (delta: 20.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-06 23:07:08,562 INFO L158 Benchmark]: Witness Printer took 99.53ms. Allocated memory is still 142.6MB. Free memory was 69.1MB in the beginning and 64.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:07:08,564 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 114.5MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1769.58ms. Allocated memory is still 142.6MB. Free memory was 111.3MB in the beginning and 110.0MB in the end (delta: 1.3MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.74ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 106.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.61ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 105.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 652.81ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 89.3MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1668.69ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 69.1MB in the end (delta: 20.2MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Witness Printer took 99.53ms. Allocated memory is still 142.6MB. Free memory was 69.1MB in the beginning and 64.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 1.6s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 18 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s 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 - InvariantResult [Line: 1586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 23:07:08,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c7d60f-ef0e-4dd2-b708-34b77e843121/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE