./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC --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 36f4ea92b5aa0abddfd7732665203d2e14aa463961743937f3bf501aaf9bdac5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:00:46,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:00:46,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-24 01:00:46,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:00:46,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:00:46,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:00:46,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:00:46,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:00:46,319 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:00:46,319 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:00:46,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:00:46,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:00:46,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:00:46,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:00:46,320 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:00:46,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:00:46,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:00:46,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:00:46,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:00:46,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:00:46,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:00:46,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:00:46,322 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 01:00:46,322 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:00:46,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:00:46,322 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:00:46,323 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:00:46,323 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:00:46,323 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:00:46,323 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:00:46,323 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:00:46,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:00:46,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:00:46,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:00:46,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:00:46,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:00:46,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:00:46,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:00:46,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:00:46,325 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:00:46,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:00:46,325 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:00:46,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:00:46,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:00:46,326 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:00:46,326 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:00:46,326 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:00:46,326 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC 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 -> 36f4ea92b5aa0abddfd7732665203d2e14aa463961743937f3bf501aaf9bdac5 [2024-11-24 01:00:46,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:00:46,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:00:46,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:00:46,670 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:00:46,670 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:00:46,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_12_good.i [2024-11-24 01:00:49,923 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC/data/8edfd7387/b939895a11ac4e3486f7bb43713fd29a/FLAG288a6dc7e [2024-11-24 01:00:50,493 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:00:50,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_12_good.i [2024-11-24 01:00:50,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC/data/8edfd7387/b939895a11ac4e3486f7bb43713fd29a/FLAG288a6dc7e [2024-11-24 01:00:51,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC/data/8edfd7387/b939895a11ac4e3486f7bb43713fd29a [2024-11-24 01:00:51,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:00:51,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:00:51,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:00:51,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:00:51,029 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:00:51,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:00:51" (1/1) ... [2024-11-24 01:00:51,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa00dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:00:51, skipping insertion in model container [2024-11-24 01:00:51,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:00:51" (1/1) ... [2024-11-24 01:00:51,090 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:00:52,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:00:52,414 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:00:52,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:00:52,708 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:00:52,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:00:52 WrapperNode [2024-11-24 01:00:52,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:00:52,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:00:52,711 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:00:52,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:00:52,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:00:52" (1/1) ... [2024-11-24 01:00:52,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:00:52" (1/1) ... [2024-11-24 01:00:52,775 INFO L138 Inliner]: procedures = 499, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 199 [2024-11-24 01:00:52,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:00:52,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:00:52,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:00:52,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:00:52,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:00:52" (1/1) ... [2024-11-24 01:00:52,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:00:52" (1/1) ... [2024-11-24 01:00:52,796 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:00:52" (1/1) ... [2024-11-24 01:00:52,807 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-24 01:00:52,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:00:52" (1/1) ... [2024-11-24 01:00:52,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:00:52" (1/1) ... [2024-11-24 01:00:52,814 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:00:52" (1/1) ... [2024-11-24 01:00:52,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:00:52" (1/1) ... [2024-11-24 01:00:52,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:00:52" (1/1) ... [2024-11-24 01:00:52,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:00:52" (1/1) ... [2024-11-24 01:00:52,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:00:52" (1/1) ... [2024-11-24 01:00:52,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:00:52,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:00:52,828 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:00:52,828 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:00:52,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:00:52" (1/1) ... [2024-11-24 01:00:52,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:00:52,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:00:52,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:00:52,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:00:52,912 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-24 01:00:52,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-24 01:00:52,912 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-24 01:00:52,912 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-24 01:00:52,912 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 01:00:52,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 01:00:52,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:00:52,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:00:52,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:00:53,051 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:00:53,052 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:00:53,526 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-11-24 01:00:53,526 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:00:53,547 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:00:53,547 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:00:53,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:00:53 BoogieIcfgContainer [2024-11-24 01:00:53,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:00:53,553 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:00:53,553 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:00:53,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:00:53,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:00:51" (1/3) ... [2024-11-24 01:00:53,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ab0b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:00:53, skipping insertion in model container [2024-11-24 01:00:53,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:00:52" (2/3) ... [2024-11-24 01:00:53,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ab0b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:00:53, skipping insertion in model container [2024-11-24 01:00:53,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:00:53" (3/3) ... [2024-11-24 01:00:53,566 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_12_good.i [2024-11-24 01:00:53,588 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:00:53,590 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_multiply_12_good.i that has 4 procedures, 110 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-24 01:00:53,691 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:00:53,713 INFO L333 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, 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;@1a0918ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:00:53,713 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-24 01:00:53,718 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 86 states have (on average 1.5232558139534884) internal successors, (131), 96 states have internal predecessors, (131), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-24 01:00:53,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 01:00:53,727 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:00:53,728 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 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] [2024-11-24 01:00:53,729 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 01:00:53,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:00:53,735 INFO L85 PathProgramCache]: Analyzing trace with hash -756554755, now seen corresponding path program 1 times [2024-11-24 01:00:53,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:00:53,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480236158] [2024-11-24 01:00:53,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:00:53,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:00:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:00:54,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 01:00:54,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:00:54,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480236158] [2024-11-24 01:00:54,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480236158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:00:54,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:00:54,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:00:54,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747732570] [2024-11-24 01:00:54,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:00:54,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:00:54,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:00:54,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:00:54,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:00:54,242 INFO L87 Difference]: Start difference. First operand has 110 states, 86 states have (on average 1.5232558139534884) internal successors, (131), 96 states have internal predecessors, (131), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-24 01:00:54,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:00:54,357 INFO L93 Difference]: Finished difference Result 110 states and 155 transitions. [2024-11-24 01:00:54,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:00:54,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-11-24 01:00:54,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:00:54,370 INFO L225 Difference]: With dead ends: 110 [2024-11-24 01:00:54,370 INFO L226 Difference]: Without dead ends: 97 [2024-11-24 01:00:54,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:00:54,383 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 2 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:00:54,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 283 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:00:54,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-24 01:00:54,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-24 01:00:54,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 79 states have (on average 1.4936708860759493) internal successors, (118), 86 states have internal predecessors, (118), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 01:00:54,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 136 transitions. [2024-11-24 01:00:54,461 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 136 transitions. Word has length 29 [2024-11-24 01:00:54,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:00:54,463 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 136 transitions. [2024-11-24 01:00:54,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-24 01:00:54,464 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 136 transitions. [2024-11-24 01:00:54,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-24 01:00:54,466 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:00:54,466 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 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] [2024-11-24 01:00:54,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:00:54,466 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 01:00:54,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:00:54,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1978360677, now seen corresponding path program 1 times [2024-11-24 01:00:54,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:00:54,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016315017] [2024-11-24 01:00:54,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:00:54,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:00:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:00:54,640 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-24 01:00:54,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:00:54,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016315017] [2024-11-24 01:00:54,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016315017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:00:54,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:00:54,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:00:54,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787722235] [2024-11-24 01:00:54,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:00:54,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:00:54,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:00:54,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:00:54,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:00:54,645 INFO L87 Difference]: Start difference. First operand 97 states and 136 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-24 01:00:54,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:00:54,720 INFO L93 Difference]: Finished difference Result 97 states and 136 transitions. [2024-11-24 01:00:54,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:00:54,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2024-11-24 01:00:54,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:00:54,724 INFO L225 Difference]: With dead ends: 97 [2024-11-24 01:00:54,724 INFO L226 Difference]: Without dead ends: 95 [2024-11-24 01:00:54,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:00:54,725 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 2 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:00:54,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 245 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:00:54,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-24 01:00:54,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-24 01:00:54,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 84 states have internal predecessors, (116), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 01:00:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 134 transitions. [2024-11-24 01:00:54,745 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 134 transitions. Word has length 30 [2024-11-24 01:00:54,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:00:54,745 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 134 transitions. [2024-11-24 01:00:54,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-24 01:00:54,746 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 134 transitions. [2024-11-24 01:00:54,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-24 01:00:54,751 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:00:54,751 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1] [2024-11-24 01:00:54,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:00:54,752 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 01:00:54,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:00:54,752 INFO L85 PathProgramCache]: Analyzing trace with hash 897541120, now seen corresponding path program 1 times [2024-11-24 01:00:54,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:00:54,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679635045] [2024-11-24 01:00:54,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:00:54,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:00:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:00:54,970 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-24 01:00:54,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:00:54,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679635045] [2024-11-24 01:00:54,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679635045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:00:54,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:00:54,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:00:54,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824814422] [2024-11-24 01:00:54,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:00:54,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:00:54,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:00:54,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:00:54,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:00:54,972 INFO L87 Difference]: Start difference. First operand 95 states and 134 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 01:00:55,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:00:55,016 INFO L93 Difference]: Finished difference Result 95 states and 134 transitions. [2024-11-24 01:00:55,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:00:55,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2024-11-24 01:00:55,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:00:55,018 INFO L225 Difference]: With dead ends: 95 [2024-11-24 01:00:55,018 INFO L226 Difference]: Without dead ends: 93 [2024-11-24 01:00:55,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:00:55,020 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 4 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:00:55,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 246 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:00:55,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-24 01:00:55,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-24 01:00:55,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 79 states have (on average 1.4430379746835442) internal successors, (114), 82 states have internal predecessors, (114), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-24 01:00:55,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2024-11-24 01:00:55,032 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 42 [2024-11-24 01:00:55,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:00:55,032 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2024-11-24 01:00:55,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 01:00:55,032 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2024-11-24 01:00:55,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-24 01:00:55,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:00:55,034 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:00:55,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:00:55,034 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 01:00:55,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:00:55,035 INFO L85 PathProgramCache]: Analyzing trace with hash 2053971222, now seen corresponding path program 1 times [2024-11-24 01:00:55,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:00:55,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869156568] [2024-11-24 01:00:55,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:00:55,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:00:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:00:55,176 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-24 01:00:55,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:00:55,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869156568] [2024-11-24 01:00:55,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869156568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:00:55,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:00:55,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:00:55,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605082053] [2024-11-24 01:00:55,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:00:55,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:00:55,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:00:55,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:00:55,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:00:55,179 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 01:00:55,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:00:55,210 INFO L93 Difference]: Finished difference Result 93 states and 132 transitions. [2024-11-24 01:00:55,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:00:55,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2024-11-24 01:00:55,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:00:55,212 INFO L225 Difference]: With dead ends: 93 [2024-11-24 01:00:55,212 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:00:55,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:00:55,214 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 3 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 246 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 [2024-11-24 01:00:55,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 246 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:00:55,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:00:55,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:00:55,218 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) [2024-11-24 01:00:55,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:00:55,218 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2024-11-24 01:00:55,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:00:55,218 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:00:55,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-24 01:00:55,219 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:00:55,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:00:55,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-24 01:00:55,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-24 01:00:55,227 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-24 01:00:55,229 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-24 01:00:55,229 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-24 01:00:55,229 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-24 01:00:55,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-24 01:00:55,230 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-24 01:00:55,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:00:55,235 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-24 01:00:55,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:00:55,292 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:00:55,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:00:55 BoogieIcfgContainer [2024-11-24 01:00:55,303 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:00:55,304 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:00:55,304 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:00:55,305 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:00:55,305 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:00:53" (3/4) ... [2024-11-24 01:00:55,310 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:00:55,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-24 01:00:55,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2024-11-24 01:00:55,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-24 01:00:55,327 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-24 01:00:55,328 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-24 01:00:55,328 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:00:55,329 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:00:55,436 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:00:55,437 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:00:55,437 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:00:55,438 INFO L158 Benchmark]: Toolchain (without parser) took 4414.64ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 70.3MB in the end (delta: 18.7MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-11-24 01:00:55,438 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:00:55,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1685.31ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 78.8MB in the end (delta: 10.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-24 01:00:55,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.58ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 75.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:00:55,439 INFO L158 Benchmark]: Boogie Preprocessor took 50.31ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 73.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:00:55,439 INFO L158 Benchmark]: RCFGBuilder took 720.13ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 51.2MB in the end (delta: 22.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:00:55,440 INFO L158 Benchmark]: TraceAbstraction took 1750.52ms. Allocated memory is still 117.4MB. Free memory was 50.6MB in the beginning and 76.2MB in the end (delta: -25.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:00:55,440 INFO L158 Benchmark]: Witness Printer took 133.04ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 70.3MB in the end (delta: 6.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:00:55,442 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1685.31ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 78.8MB in the end (delta: 10.0MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.58ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 75.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.31ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 73.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 720.13ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 51.2MB in the end (delta: 22.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1750.52ms. Allocated memory is still 117.4MB. Free memory was 50.6MB in the beginning and 76.2MB in the end (delta: -25.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 133.04ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 70.3MB in the end (delta: 6.0MB). There was no memory consumed. 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: 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: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1615]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1615]: 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 4 procedures, 110 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 1020 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 495 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 525 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 42/42 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 01:00:55,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ce7bea9-c1aa-4c9b-ba87-7f7f2ca550b3/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE