./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx --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 cb50b07f45f7de45e7a4ed68632423467b7b4045e626d80f3898045079333592 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:58:19,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:58:19,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-21 20:58:19,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:58:19,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:58:19,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:58:19,469 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:58:19,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:58:19,471 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:58:19,476 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:58:19,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:58:19,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:58:19,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:58:19,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:58:19,482 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:58:19,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:58:19,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:58:19,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:58:19,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:58:19,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:58:19,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:58:19,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:58:19,486 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 20:58:19,487 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 20:58:19,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:58:19,488 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:58:19,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:58:19,489 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:58:19,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 20:58:19,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:58:19,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:58:19,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:58:19,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:58:19,493 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:58:19,493 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:58:19,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 20:58:19,494 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:58:19,494 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:58:19,494 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:58:19,495 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:58:19,495 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:58:19,495 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_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb50b07f45f7de45e7a4ed68632423467b7b4045e626d80f3898045079333592 [2023-11-21 20:58:19,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:58:19,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:58:19,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:58:19,788 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:58:19,789 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:58:19,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_65_good.i [2023-11-21 20:58:22,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:58:23,395 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:58:23,396 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_65_good.i [2023-11-21 20:58:23,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx/data/eceabe5ec/b0858ac68f1340d486fea2696ef7ed28/FLAG7282b6218 [2023-11-21 20:58:23,440 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx/data/eceabe5ec/b0858ac68f1340d486fea2696ef7ed28 [2023-11-21 20:58:23,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:58:23,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:58:23,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:58:23,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:58:23,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:58:23,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:58:23" (1/1) ... [2023-11-21 20:58:23,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d80a564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:23, skipping insertion in model container [2023-11-21 20:58:23,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:58:23" (1/1) ... [2023-11-21 20:58:23,565 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:58:24,146 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 20:58:24,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:58:24,953 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:58:24,989 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 20:58:25,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:58:25,284 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:58:25,284 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:58:25,284 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:58:25,284 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:58:25,285 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:58:25,285 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:58:25,293 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:58:25,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:25 WrapperNode [2023-11-21 20:58:25,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:58:25,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:58:25,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:58:25,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:58:25,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:25" (1/1) ... [2023-11-21 20:58:25,348 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:25" (1/1) ... [2023-11-21 20:58:25,382 INFO L138 Inliner]: procedures = 504, calls = 65, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 63 [2023-11-21 20:58:25,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:58:25,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:58:25,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:58:25,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:58:25,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:25" (1/1) ... [2023-11-21 20:58:25,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:25" (1/1) ... [2023-11-21 20:58:25,404 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:25" (1/1) ... [2023-11-21 20:58:25,424 INFO L187 HeapSplitter]: Split 1 memory accesses to 1 slices as follows [1] [2023-11-21 20:58:25,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:25" (1/1) ... [2023-11-21 20:58:25,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:25" (1/1) ... [2023-11-21 20:58:25,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:25" (1/1) ... [2023-11-21 20:58:25,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:25" (1/1) ... [2023-11-21 20:58:25,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:25" (1/1) ... [2023-11-21 20:58:25,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:25" (1/1) ... [2023-11-21 20:58:25,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:58:25,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:58:25,455 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:58:25,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:58:25,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:25" (1/1) ... [2023-11-21 20:58:25,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:58:25,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:58:25,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 20:58:25,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 20:58:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 20:58:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 20:58:25,548 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 20:58:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 20:58:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 20:58:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-21 20:58:25,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-21 20:58:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:58:25,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:58:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 20:58:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 20:58:25,742 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:58:25,744 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:58:25,874 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:58:25,922 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:58:25,923 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 20:58:25,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:58:25 BoogieIcfgContainer [2023-11-21 20:58:25,925 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:58:25,934 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 20:58:25,934 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 20:58:25,940 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 20:58:25,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:58:23" (1/3) ... [2023-11-21 20:58:25,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2031c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:58:25, skipping insertion in model container [2023-11-21 20:58:25,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:58:25" (2/3) ... [2023-11-21 20:58:25,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2031c39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:58:25, skipping insertion in model container [2023-11-21 20:58:25,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:58:25" (3/3) ... [2023-11-21 20:58:25,945 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_postinc_65_good.i [2023-11-21 20:58:25,971 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 20:58:25,972 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-21 20:58:26,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 20:58:26,034 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;@4fd15a1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 20:58:26,034 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-21 20:58:26,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 23 states have internal predecessors, (24), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-21 20:58:26,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 20:58:26,045 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 20:58:26,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:58:26,046 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 20:58:26,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:58:26,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1303203278, now seen corresponding path program 1 times [2023-11-21 20:58:26,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:58:26,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963294618] [2023-11-21 20:58:26,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:58:26,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:58:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:26,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:26,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:58:26,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:58:26,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963294618] [2023-11-21 20:58:26,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963294618] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:58:26,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:58:26,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 20:58:26,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118405094] [2023-11-21 20:58:26,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:58:26,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 20:58:26,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:58:26,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 20:58:26,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-21 20:58:26,586 INFO L87 Difference]: Start difference. First operand has 33 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 23 states have internal predecessors, (24), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 20:58:26,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 20:58:26,776 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2023-11-21 20:58:26,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 20:58:26,779 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-11-21 20:58:26,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 20:58:26,787 INFO L225 Difference]: With dead ends: 52 [2023-11-21 20:58:26,792 INFO L226 Difference]: Without dead ends: 38 [2023-11-21 20:58:26,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-21 20:58:26,802 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 30 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 20:58:26,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 130 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 20:58:26,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-21 20:58:26,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2023-11-21 20:58:26,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 27 states have internal predecessors, (30), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-21 20:58:26,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2023-11-21 20:58:26,857 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 9 [2023-11-21 20:58:26,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 20:58:26,859 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2023-11-21 20:58:26,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 20:58:26,861 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2023-11-21 20:58:26,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 20:58:26,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 20:58:26,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:58:26,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 20:58:26,865 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 20:58:26,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:58:26,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1744611729, now seen corresponding path program 1 times [2023-11-21 20:58:26,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:58:26,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488859352] [2023-11-21 20:58:26,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:58:26,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:58:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:27,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:27,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:58:27,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:58:27,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488859352] [2023-11-21 20:58:27,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488859352] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:58:27,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:58:27,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 20:58:27,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991761206] [2023-11-21 20:58:27,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:58:27,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 20:58:27,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:58:27,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 20:58:27,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 20:58:27,128 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 7 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 20:58:27,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 20:58:27,276 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2023-11-21 20:58:27,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 20:58:27,277 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-11-21 20:58:27,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 20:58:27,278 INFO L225 Difference]: With dead ends: 54 [2023-11-21 20:58:27,278 INFO L226 Difference]: Without dead ends: 35 [2023-11-21 20:58:27,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-21 20:58:27,280 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 26 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 20:58:27,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 101 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 20:58:27,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-21 20:58:27,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-21 20:58:27,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.173913043478261) internal successors, (27), 26 states have internal predecessors, (27), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-21 20:58:27,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2023-11-21 20:58:27,288 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 10 [2023-11-21 20:58:27,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 20:58:27,289 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2023-11-21 20:58:27,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 20:58:27,289 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2023-11-21 20:58:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 20:58:27,290 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 20:58:27,291 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:58:27,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 20:58:27,291 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 20:58:27,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:58:27,292 INFO L85 PathProgramCache]: Analyzing trace with hash -408754588, now seen corresponding path program 1 times [2023-11-21 20:58:27,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:58:27,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284850665] [2023-11-21 20:58:27,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:58:27,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:58:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:27,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:27,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 20:58:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:27,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-21 20:58:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:27,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:58:27,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:58:27,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284850665] [2023-11-21 20:58:27,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284850665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:58:27,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:58:27,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 20:58:27,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226674197] [2023-11-21 20:58:27,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:58:27,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 20:58:27,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:58:27,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 20:58:27,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-21 20:58:27,506 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 20:58:27,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 20:58:27,602 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2023-11-21 20:58:27,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 20:58:27,603 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2023-11-21 20:58:27,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 20:58:27,607 INFO L225 Difference]: With dead ends: 35 [2023-11-21 20:58:27,607 INFO L226 Difference]: Without dead ends: 34 [2023-11-21 20:58:27,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-21 20:58:27,617 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 19 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 20:58:27,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 112 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 20:58:27,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-21 20:58:27,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-21 20:58:27,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 25 states have internal predecessors, (26), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-21 20:58:27,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2023-11-21 20:58:27,636 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 21 [2023-11-21 20:58:27,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 20:58:27,637 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2023-11-21 20:58:27,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 20:58:27,638 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2023-11-21 20:58:27,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 20:58:27,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 20:58:27,639 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:58:27,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 20:58:27,640 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 20:58:27,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:58:27,641 INFO L85 PathProgramCache]: Analyzing trace with hash 213493885, now seen corresponding path program 1 times [2023-11-21 20:58:27,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:58:27,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735588880] [2023-11-21 20:58:27,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:58:27,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:58:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:27,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:27,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 20:58:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:27,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-21 20:58:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:27,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:58:27,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:58:27,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735588880] [2023-11-21 20:58:27,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735588880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:58:27,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:58:27,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 20:58:27,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733296503] [2023-11-21 20:58:27,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:58:27,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 20:58:27,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:58:27,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 20:58:27,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-21 20:58:27,844 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand has 7 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 20:58:27,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 20:58:27,923 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2023-11-21 20:58:27,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 20:58:27,924 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2023-11-21 20:58:27,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 20:58:27,926 INFO L225 Difference]: With dead ends: 34 [2023-11-21 20:58:27,926 INFO L226 Difference]: Without dead ends: 29 [2023-11-21 20:58:27,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-21 20:58:27,937 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 9 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 20:58:27,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 124 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 20:58:27,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-21 20:58:27,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-21 20:58:27,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-21 20:58:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2023-11-21 20:58:27,949 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 22 [2023-11-21 20:58:27,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 20:58:27,950 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2023-11-21 20:58:27,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 20:58:27,951 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2023-11-21 20:58:27,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 20:58:27,952 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 20:58:27,952 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:58:27,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 20:58:27,954 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 20:58:27,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:58:27,955 INFO L85 PathProgramCache]: Analyzing trace with hash 213509741, now seen corresponding path program 1 times [2023-11-21 20:58:27,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:58:27,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911993876] [2023-11-21 20:58:27,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:58:27,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:58:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:28,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:58:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:28,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 20:58:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:28,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-21 20:58:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:58:28,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 20:58:28,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:58:28,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911993876] [2023-11-21 20:58:28,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911993876] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:58:28,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:58:28,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 20:58:28,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285538805] [2023-11-21 20:58:28,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:58:28,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 20:58:28,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:58:28,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 20:58:28,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 20:58:28,105 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 20:58:28,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 20:58:28,143 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2023-11-21 20:58:28,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 20:58:28,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2023-11-21 20:58:28,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 20:58:28,145 INFO L225 Difference]: With dead ends: 31 [2023-11-21 20:58:28,145 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 20:58:28,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 20:58:28,147 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 6 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-21 20:58:28,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 53 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-21 20:58:28,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 20:58:28,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 20:58:28,148 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) [2023-11-21 20:58:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 20:58:28,149 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2023-11-21 20:58:28,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 20:58:28,153 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 20:58:28,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-21 20:58:28,154 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 20:58:28,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 20:58:28,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-21 20:58:28,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-21 20:58:28,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-21 20:58:28,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-21 20:58:28,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 20:58:28,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 20:58:28,219 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-21 20:58:28,219 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-21 20:58:28,219 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-21 20:58:28,219 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-21 20:58:28,219 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 20:58:28,220 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (and (= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~CWE190_Integer_Overflow__int_max_postinc_65b_goodB2GSink.base|) (<= 2147483647 |ULTIMATE.start_goodB2G_~data~1#1|) (= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~CWE190_Integer_Overflow__int_max_postinc_65b_goodB2GSink.offset|)) [2023-11-21 20:58:28,220 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1558 1565) no Hoare annotation was computed. [2023-11-21 20:58:28,220 INFO L895 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~0#1| 2) [2023-11-21 20:58:28,220 INFO L899 garLoopResultBuilder]: For program point L1555-1(lines 1549 1556) no Hoare annotation was computed. [2023-11-21 20:58:28,220 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 20:58:28,220 INFO L902 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: true [2023-11-21 20:58:28,220 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2023-11-21 20:58:28,221 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true [2023-11-21 20:58:28,221 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2023-11-21 20:58:28,221 INFO L895 garLoopResultBuilder]: At program point L1584(line 1584) the Hoare annotation is: (or (= 2 |##fun~int~TO~VOID_#~99#1|) (not (= 2 |##fun~int~TO~VOID_#in~99#1|))) [2023-11-21 20:58:28,221 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2023-11-21 20:58:28,221 INFO L899 garLoopResultBuilder]: For program point L1584-1(line 1584) no Hoare annotation was computed. [2023-11-21 20:58:28,221 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1591) no Hoare annotation was computed. [2023-11-21 20:58:28,222 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2023-11-21 20:58:28,222 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2023-11-21 20:58:28,222 INFO L899 garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed. [2023-11-21 20:58:28,222 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-21 20:58:28,222 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-21 20:58:28,222 INFO L895 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: (not (= 2 |##fun~int~TO~VOID_#in~99#1|)) [2023-11-21 20:58:28,222 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2023-11-21 20:58:28,222 INFO L899 garLoopResultBuilder]: For program point L1597-1(lines 1587 1599) no Hoare annotation was computed. [2023-11-21 20:58:28,223 INFO L895 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: (or (not (= 2 |##fun~int~TO~VOID_#in~99#1|)) (and (= |#funAddr~CWE190_Integer_Overflow__int_max_postinc_65b_goodB2GSink.offset| |##fun~int~TO~VOID_#in~#fp#1.offset|) (= 2 |##fun~int~TO~VOID_#~99#1|) (= |#funAddr~CWE190_Integer_Overflow__int_max_postinc_65b_goodB2GSink.base| |##fun~int~TO~VOID_#in~#fp#1.base|))) [2023-11-21 20:58:28,223 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2023-11-21 20:58:28,224 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2023-11-21 20:58:28,224 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2023-11-21 20:58:28,224 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1598) no Hoare annotation was computed. [2023-11-21 20:58:28,224 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2023-11-21 20:58:28,224 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1591) no Hoare annotation was computed. [2023-11-21 20:58:28,231 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-21 20:58:28,234 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 20:58:28,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 08:58:28 BoogieIcfgContainer [2023-11-21 20:58:28,239 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 20:58:28,240 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 20:58:28,240 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 20:58:28,240 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 20:58:28,240 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:58:25" (3/4) ... [2023-11-21 20:58:28,243 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 20:58:28,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 20:58:28,247 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 20:58:28,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-11-21 20:58:28,256 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-21 20:58:28,257 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-21 20:58:28,257 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 20:58:28,257 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 20:58:28,366 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 20:58:28,367 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 20:58:28,367 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 20:58:28,368 INFO L158 Benchmark]: Toolchain (without parser) took 4923.49ms. Allocated memory is still 153.1MB. Free memory was 98.0MB in the beginning and 73.7MB in the end (delta: 24.3MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2023-11-21 20:58:28,368 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:58:28,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1848.38ms. Allocated memory is still 153.1MB. Free memory was 97.6MB in the beginning and 91.2MB in the end (delta: 6.4MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2023-11-21 20:58:28,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.37ms. Allocated memory is still 153.1MB. Free memory was 91.2MB in the beginning and 88.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 20:58:28,369 INFO L158 Benchmark]: Boogie Preprocessor took 71.35ms. Allocated memory is still 153.1MB. Free memory was 88.3MB in the beginning and 86.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 20:58:28,369 INFO L158 Benchmark]: RCFGBuilder took 470.43ms. Allocated memory is still 153.1MB. Free memory was 86.2MB in the beginning and 71.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 20:58:28,369 INFO L158 Benchmark]: TraceAbstraction took 2305.11ms. Allocated memory is still 153.1MB. Free memory was 70.9MB in the beginning and 77.9MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 20:58:28,370 INFO L158 Benchmark]: Witness Printer took 127.47ms. Allocated memory is still 153.1MB. Free memory was 77.9MB in the beginning and 73.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 20:58:28,372 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1848.38ms. Allocated memory is still 153.1MB. Free memory was 97.6MB in the beginning and 91.2MB in the end (delta: 6.4MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.37ms. Allocated memory is still 153.1MB. Free memory was 91.2MB in the beginning and 88.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.35ms. Allocated memory is still 153.1MB. Free memory was 88.3MB in the beginning and 86.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 470.43ms. Allocated memory is still 153.1MB. Free memory was 86.2MB in the beginning and 71.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2305.11ms. Allocated memory is still 153.1MB. Free memory was 70.9MB in the beginning and 77.9MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 127.47ms. Allocated memory is still 153.1MB. Free memory was 77.9MB in the beginning and 73.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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, 33 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 520 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 401 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 229 IncrementalHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 119 mSDtfsCounter, 229 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=1, InterpolantAutomatonStates: 29, 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 24 PreInvPairs, 25 NumberOfFragments, 45 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 133 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 9/9 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! [2023-11-21 20:58:28,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd53112e-4aa3-4047-a21b-c8167894c803/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE