./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme --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 a8958886be7ad498984f4e707334ec59f4a959341ab5b59164acde985bd50c26 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:54:05,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:54:05,398 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 11:54:05,407 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:54:05,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:54:05,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:54:05,459 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:54:05,459 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:54:05,461 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:54:05,466 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:54:05,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:54:05,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:54:05,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:54:05,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:54:05,471 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:54:05,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:54:05,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:54:05,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:54:05,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:54:05,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:54:05,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:54:05,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:54:05,475 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:54:05,476 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:54:05,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:54:05,477 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:54:05,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:54:05,479 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:54:05,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:54:05,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:54:05,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:05,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:54:05,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:54:05,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:54:05,506 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:54:05,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:54:05,506 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:54:05,507 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:54:05,507 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:54:05,508 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:54:05,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:54:05,511 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_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8958886be7ad498984f4e707334ec59f4a959341ab5b59164acde985bd50c26 [2023-11-26 11:54:05,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:54:05,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:54:05,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:54:05,878 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:54:05,879 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:54:05,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_good.i [2023-11-26 11:54:09,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:54:09,617 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:54:09,618 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_good.i [2023-11-26 11:54:09,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme/data/6422aff93/3687f3172bbd416aa8f56b5eae28f1f4/FLAG6a27f1beb [2023-11-26 11:54:09,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme/data/6422aff93/3687f3172bbd416aa8f56b5eae28f1f4 [2023-11-26 11:54:09,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:54:09,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:54:09,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:09,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:54:09,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:54:09,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:09" (1/1) ... [2023-11-26 11:54:09,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b497a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:09, skipping insertion in model container [2023-11-26 11:54:09,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:54:09" (1/1) ... [2023-11-26 11:54:09,750 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:54:10,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:11,000 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:54:11,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:54:11,331 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:54:11,331 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:54:11,331 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:54:11,331 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:54:11,332 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:54:11,340 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:54:11,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:11 WrapperNode [2023-11-26 11:54:11,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:54:11,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:11,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:54:11,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:54:11,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:11" (1/1) ... [2023-11-26 11:54:11,380 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:11" (1/1) ... [2023-11-26 11:54:11,416 INFO L138 Inliner]: procedures = 503, calls = 78, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 94 [2023-11-26 11:54:11,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:54:11,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:54:11,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:54:11,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:54:11,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:11" (1/1) ... [2023-11-26 11:54:11,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:11" (1/1) ... [2023-11-26 11:54:11,437 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:11" (1/1) ... [2023-11-26 11:54:11,467 INFO L175 MemorySlicer]: Split 8 memory accesses to 5 slices as follows [1, 1, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 1, 0, 0, 0]. The 4 writes are split as follows [0, 0, 2, 1, 1]. [2023-11-26 11:54:11,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:11" (1/1) ... [2023-11-26 11:54:11,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:11" (1/1) ... [2023-11-26 11:54:11,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:11" (1/1) ... [2023-11-26 11:54:11,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:11" (1/1) ... [2023-11-26 11:54:11,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:11" (1/1) ... [2023-11-26 11:54:11,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:11" (1/1) ... [2023-11-26 11:54:11,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:54:11,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:54:11,511 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:54:11,511 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:54:11,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:11" (1/1) ... [2023-11-26 11:54:11,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:54:11,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:54:11,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:54:11,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:54:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-26 11:54:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-26 11:54:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-26 11:54:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 11:54:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 11:54:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:54:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-26 11:54:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-26 11:54:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-26 11:54:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-26 11:54:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-26 11:54:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:54:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:54:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 11:54:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 11:54:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 11:54:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:54:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:54:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:54:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:54:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 11:54:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:54:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:54:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 11:54:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 11:54:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 11:54:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:54:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:54:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 11:54:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 11:54:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 11:54:11,858 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:54:11,861 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:54:12,045 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:54:12,135 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:54:12,135 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:54:12,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:12 BoogieIcfgContainer [2023-11-26 11:54:12,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:54:12,140 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:54:12,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:54:12,144 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:54:12,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:54:09" (1/3) ... [2023-11-26 11:54:12,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc1dcf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:12, skipping insertion in model container [2023-11-26 11:54:12,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:54:11" (2/3) ... [2023-11-26 11:54:12,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc1dcf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:54:12, skipping insertion in model container [2023-11-26 11:54:12,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:12" (3/3) ... [2023-11-26 11:54:12,148 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_66_good.i [2023-11-26 11:54:12,175 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:54:12,175 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-26 11:54:12,234 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:54:12,244 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@732a7d9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:54:12,244 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-26 11:54:12,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 19 states have (on average 1.368421052631579) internal successors, (26), 23 states have internal predecessors, (26), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 11:54:12,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-26 11:54:12,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:12,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:12,260 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)] === [2023-11-26 11:54:12,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:12,268 INFO L85 PathProgramCache]: Analyzing trace with hash 52108902, now seen corresponding path program 1 times [2023-11-26 11:54:12,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:12,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10116833] [2023-11-26 11:54:12,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:12,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:13,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:54:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:13,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:13,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10116833] [2023-11-26 11:54:13,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10116833] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:13,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:13,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:13,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955787344] [2023-11-26 11:54:13,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:13,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:13,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:13,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:13,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:13,081 INFO L87 Difference]: Start difference. First operand has 32 states, 19 states have (on average 1.368421052631579) internal successors, (26), 23 states have internal predecessors, (26), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-26 11:54:13,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:13,151 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2023-11-26 11:54:13,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:13,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 8 [2023-11-26 11:54:13,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:13,168 INFO L225 Difference]: With dead ends: 32 [2023-11-26 11:54:13,169 INFO L226 Difference]: Without dead ends: 22 [2023-11-26 11:54:13,172 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 [2023-11-26 11:54:13,177 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 1 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:13,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 57 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:13,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-11-26 11:54:13,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-26 11:54:13,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 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) [2023-11-26 11:54:13,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2023-11-26 11:54:13,228 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 8 [2023-11-26 11:54:13,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:13,231 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2023-11-26 11:54:13,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-26 11:54:13,233 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-26 11:54:13,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 11:54:13,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:13,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:13,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:54:13,238 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 11:54:13,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:13,240 INFO L85 PathProgramCache]: Analyzing trace with hash -654368340, now seen corresponding path program 1 times [2023-11-26 11:54:13,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:13,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963848235] [2023-11-26 11:54:13,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:13,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:14,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:54:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:14,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 11:54:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:14,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:14,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:14,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963848235] [2023-11-26 11:54:14,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963848235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:14,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:14,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:54:14,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944767468] [2023-11-26 11:54:14,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:14,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:54:14,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:14,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:54:14,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:54:14,053 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2023-11-26 11:54:14,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:14,114 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2023-11-26 11:54:14,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:54:14,115 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 17 [2023-11-26 11:54:14,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:14,116 INFO L225 Difference]: With dead ends: 22 [2023-11-26 11:54:14,116 INFO L226 Difference]: Without dead ends: 21 [2023-11-26 11:54:14,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:54:14,119 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 14 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:14,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 44 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:14,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-26 11:54:14,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-26 11:54:14,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 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) [2023-11-26 11:54:14,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2023-11-26 11:54:14,134 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 17 [2023-11-26 11:54:14,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:14,135 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-11-26 11:54:14,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2023-11-26 11:54:14,138 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-26 11:54:14,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-26 11:54:14,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:14,144 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:54:14,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:54:14,144 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 11:54:14,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:14,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1189418010, now seen corresponding path program 1 times [2023-11-26 11:54:14,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:54:14,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433999501] [2023-11-26 11:54:14,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:14,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:54:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:14,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:54:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:14,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 11:54:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:14,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:54:14,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:54:14,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433999501] [2023-11-26 11:54:14,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433999501] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:54:14,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:54:14,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:54:14,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928977155] [2023-11-26 11:54:14,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:14,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:54:14,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:54:14,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:54:14,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:54:14,277 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. 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, (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) [2023-11-26 11:54:14,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:14,300 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2023-11-26 11:54:14,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:54:14,301 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, (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 18 [2023-11-26 11:54:14,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:14,303 INFO L225 Difference]: With dead ends: 21 [2023-11-26 11:54:14,303 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 11:54:14,305 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 [2023-11-26 11:54:14,310 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:14,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:54:14,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 11:54:14,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 11:54:14,314 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) [2023-11-26 11:54:14,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 11:54:14,314 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2023-11-26 11:54:14,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:14,315 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:54:14,315 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, (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) [2023-11-26 11:54:14,315 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:54:14,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 11:54:14,319 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-26 11:54:14,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-26 11:54:14,320 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-26 11:54:14,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-26 11:54:14,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:54:14,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 11:54:14,364 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-26 11:54:14,364 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-26 11:54:14,364 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-26 11:54:14,364 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 11:54:14,365 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-26 11:54:14,365 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 11:54:14,365 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1595) no Hoare annotation was computed. [2023-11-26 11:54:14,365 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 11:54:14,365 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1613) no Hoare annotation was computed. [2023-11-26 11:54:14,366 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1605) no Hoare annotation was computed. [2023-11-26 11:54:14,366 INFO L902 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: true [2023-11-26 11:54:14,366 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2023-11-26 11:54:14,366 INFO L902 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: true [2023-11-26 11:54:14,366 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-26 11:54:14,367 INFO L902 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: true [2023-11-26 11:54:14,367 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2023-11-26 11:54:14,367 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 11:54:14,367 INFO L902 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: true [2023-11-26 11:54:14,367 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2023-11-26 11:54:14,368 INFO L899 garLoopResultBuilder]: For program point L1605(line 1605) no Hoare annotation was computed. [2023-11-26 11:54:14,368 INFO L895 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: (and (= |ULTIMATE.start_goodB2G_~#dataArray~1#1.offset| 0) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648))) [2023-11-26 11:54:14,368 INFO L899 garLoopResultBuilder]: For program point L1605-1(line 1605) no Hoare annotation was computed. [2023-11-26 11:54:14,369 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2023-11-26 11:54:14,369 INFO L899 garLoopResultBuilder]: For program point L1603(lines 1603 1612) no Hoare annotation was computed. [2023-11-26 11:54:14,370 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1595) no Hoare annotation was computed. [2023-11-26 11:54:14,370 INFO L899 garLoopResultBuilder]: For program point L1566(lines 1566 1573) no Hoare annotation was computed. [2023-11-26 11:54:14,372 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1605) no Hoare annotation was computed. [2023-11-26 11:54:14,373 INFO L902 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: true [2023-11-26 11:54:14,373 INFO L899 garLoopResultBuilder]: For program point L1597-1(line 1597) no Hoare annotation was computed. [2023-11-26 11:54:14,377 INFO L899 garLoopResultBuilder]: For program point L1566-2(lines 1566 1573) no Hoare annotation was computed. [2023-11-26 11:54:14,377 INFO L899 garLoopResultBuilder]: For program point L1595(line 1595) no Hoare annotation was computed. [2023-11-26 11:54:14,378 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2023-11-26 11:54:14,384 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 11:54:14,387 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:54:14,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:54:14 BoogieIcfgContainer [2023-11-26 11:54:14,394 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:54:14,395 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:54:14,395 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:54:14,395 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:54:14,396 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:54:12" (3/4) ... [2023-11-26 11:54:14,399 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:54:14,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-26 11:54:14,405 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-26 11:54:14,416 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-26 11:54:14,416 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-26 11:54:14,417 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 11:54:14,417 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:54:14,546 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:54:14,547 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:54:14,547 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:54:14,548 INFO L158 Benchmark]: Toolchain (without parser) took 4878.85ms. Allocated memory was 111.1MB in the beginning and 165.7MB in the end (delta: 54.5MB). Free memory was 65.8MB in the beginning and 114.5MB in the end (delta: -48.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-26 11:54:14,548 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 111.1MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:54:14,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1670.74ms. Allocated memory is still 111.1MB. Free memory was 65.4MB in the beginning and 43.5MB in the end (delta: 22.0MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2023-11-26 11:54:14,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.15ms. Allocated memory is still 111.1MB. Free memory was 43.5MB in the beginning and 40.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:54:14,549 INFO L158 Benchmark]: Boogie Preprocessor took 92.94ms. Allocated memory is still 111.1MB. Free memory was 40.4MB in the beginning and 37.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:54:14,550 INFO L158 Benchmark]: RCFGBuilder took 625.75ms. Allocated memory was 111.1MB in the beginning and 165.7MB in the end (delta: 54.5MB). Free memory was 37.3MB in the beginning and 117.8MB in the end (delta: -80.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-26 11:54:14,550 INFO L158 Benchmark]: TraceAbstraction took 2254.13ms. Allocated memory is still 165.7MB. Free memory was 116.9MB in the beginning and 119.8MB in the end (delta: -2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:54:14,550 INFO L158 Benchmark]: Witness Printer took 151.92ms. Allocated memory is still 165.7MB. Free memory was 119.8MB in the beginning and 114.5MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:54:14,554 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 111.1MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1670.74ms. Allocated memory is still 111.1MB. Free memory was 65.4MB in the beginning and 43.5MB in the end (delta: 22.0MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.15ms. Allocated memory is still 111.1MB. Free memory was 43.5MB in the beginning and 40.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.94ms. Allocated memory is still 111.1MB. Free memory was 40.4MB in the beginning and 37.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 625.75ms. Allocated memory was 111.1MB in the beginning and 165.7MB in the end (delta: 54.5MB). Free memory was 37.3MB in the beginning and 117.8MB in the end (delta: -80.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2254.13ms. Allocated memory is still 165.7MB. Free memory was 116.9MB in the beginning and 119.8MB in the end (delta: -2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 151.92ms. Allocated memory is still 165.7MB. Free memory was 119.8MB in the beginning and 114.5MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1595]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: 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, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 135 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 63 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 12 PreInvPairs, 12 NumberOfFragments, 16 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 11:54:14,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7a0b619-d259-4f5e-9ce6-bdb4da82895e/bin/uautomizer-verify-VRDe98Ueme/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