./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_51_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_51_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl --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 b26da3926e812215cd47683cf7a408f6d05cb31d55ab0180532265c048a2363d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:29:32,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:29:32,611 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-12 02:29:32,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:29:32,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:29:32,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:29:32,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:29:32,667 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:29:32,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:29:32,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:29:32,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:29:32,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:29:32,675 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:29:32,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:29:32,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:29:32,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:29:32,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:29:32,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:29:32,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:29:32,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:29:32,690 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:29:32,691 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:29:32,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:29:32,692 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:29:32,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:29:32,693 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:29:32,693 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:29:32,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:29:32,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:29:32,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:29:32,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:29:32,697 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:29:32,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:29:32,697 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:29:32,698 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:29:32,698 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:29:32,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:29:32,699 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:29:32,699 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_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b26da3926e812215cd47683cf7a408f6d05cb31d55ab0180532265c048a2363d [2023-11-12 02:29:33,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:29:33,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:29:33,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:29:33,071 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:29:33,072 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:29:33,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_51_good.i [2023-11-12 02:29:36,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:29:36,726 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:29:36,729 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_51_good.i [2023-11-12 02:29:36,767 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl/data/5b720d8d7/ffc67656b8414a53a419878cd7f527a6/FLAGac83194fb [2023-11-12 02:29:36,786 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl/data/5b720d8d7/ffc67656b8414a53a419878cd7f527a6 [2023-11-12 02:29:36,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:29:36,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:29:36,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:29:36,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:29:36,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:29:36,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:29:36" (1/1) ... [2023-11-12 02:29:36,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65811f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:36, skipping insertion in model container [2023-11-12 02:29:36,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:29:36" (1/1) ... [2023-11-12 02:29:36,893 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:29:37,308 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:29:37,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:29:37,879 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:29:37,900 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:29:37,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:29:38,228 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:29:38,229 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:29:38,229 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:29:38,229 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:29:38,229 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:29:38,237 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:29:38,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:38 WrapperNode [2023-11-12 02:29:38,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:29:38,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:29:38,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:29:38,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:29:38,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:38" (1/1) ... [2023-11-12 02:29:38,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:38" (1/1) ... [2023-11-12 02:29:38,349 INFO L138 Inliner]: procedures = 503, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 107 [2023-11-12 02:29:38,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:29:38,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:29:38,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:29:38,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:29:38,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:38" (1/1) ... [2023-11-12 02:29:38,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:38" (1/1) ... [2023-11-12 02:29:38,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:38" (1/1) ... [2023-11-12 02:29:38,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:38" (1/1) ... [2023-11-12 02:29:38,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:38" (1/1) ... [2023-11-12 02:29:38,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:38" (1/1) ... [2023-11-12 02:29:38,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:38" (1/1) ... [2023-11-12 02:29:38,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:38" (1/1) ... [2023-11-12 02:29:38,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:29:38,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:29:38,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:29:38,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:29:38,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:38" (1/1) ... [2023-11-12 02:29:38,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:29:38,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:29:38,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:29:38,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:29:38,477 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-12 02:29:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-12 02:29:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 02:29:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 02:29:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:29:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:29:38,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:29:38,478 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 02:29:38,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:29:38,632 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:29:38,633 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:29:38,859 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:29:38,866 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:29:38,866 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:29:38,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:38 BoogieIcfgContainer [2023-11-12 02:29:38,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:29:38,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:29:38,871 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:29:38,875 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:29:38,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:29:36" (1/3) ... [2023-11-12 02:29:38,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21415ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:29:38, skipping insertion in model container [2023-11-12 02:29:38,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:29:38" (2/3) ... [2023-11-12 02:29:38,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21415ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:29:38, skipping insertion in model container [2023-11-12 02:29:38,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:38" (3/3) ... [2023-11-12 02:29:38,878 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_51_good.i [2023-11-12 02:29:38,902 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:29:38,903 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-12 02:29:38,957 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:29:38,964 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;@453d8985, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:29:38,964 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-12 02:29:38,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 46 states have internal predecessors, (60), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-12 02:29:38,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 02:29:38,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:29:38,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:38,980 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)] === [2023-11-12 02:29:38,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:38,988 INFO L85 PathProgramCache]: Analyzing trace with hash 139567665, now seen corresponding path program 1 times [2023-11-12 02:29:38,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:38,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015535088] [2023-11-12 02:29:38,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:38,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:39,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:29:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:39,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:39,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:39,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015535088] [2023-11-12 02:29:39,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015535088] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:29:39,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:29:39,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:29:39,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942879320] [2023-11-12 02:29:39,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:29:39,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:29:39,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:39,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:29:39,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:29:39,436 INFO L87 Difference]: Start difference. First operand has 53 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 46 states have internal predecessors, (60), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-12 02:29:39,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:29:39,479 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2023-11-12 02:29:39,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:29:39,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2023-11-12 02:29:39,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:29:39,492 INFO L225 Difference]: With dead ends: 53 [2023-11-12 02:29:39,492 INFO L226 Difference]: Without dead ends: 40 [2023-11-12 02:29:39,495 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 [2023-11-12 02:29:39,499 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 1 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:29:39,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 130 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:29:39,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-12 02:29:39,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-12 02:29:39,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:29:39,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 53 transitions. [2023-11-12 02:29:39,540 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 53 transitions. Word has length 9 [2023-11-12 02:29:39,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:29:39,540 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 53 transitions. [2023-11-12 02:29:39,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-12 02:29:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2023-11-12 02:29:39,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 02:29:39,542 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:29:39,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:39,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:29:39,543 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)] === [2023-11-12 02:29:39,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:39,544 INFO L85 PathProgramCache]: Analyzing trace with hash 2037641699, now seen corresponding path program 1 times [2023-11-12 02:29:39,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:39,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996006400] [2023-11-12 02:29:39,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:39,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:40,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:29:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:40,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:29:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:40,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:40,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:40,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996006400] [2023-11-12 02:29:40,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996006400] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:29:40,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:29:40,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:29:40,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668712856] [2023-11-12 02:29:40,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:29:40,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:29:40,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:40,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:29:40,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:29:40,071 INFO L87 Difference]: Start difference. First operand 40 states and 53 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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) [2023-11-12 02:29:40,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:29:40,232 INFO L93 Difference]: Finished difference Result 48 states and 60 transitions. [2023-11-12 02:29:40,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:29:40,232 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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 25 [2023-11-12 02:29:40,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:29:40,235 INFO L225 Difference]: With dead ends: 48 [2023-11-12 02:29:40,235 INFO L226 Difference]: Without dead ends: 47 [2023-11-12 02:29:40,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:29:40,243 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 14 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:29:40,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 253 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:29:40,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-12 02:29:40,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 44. [2023-11-12 02:29:40,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:29:40,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2023-11-12 02:29:40,263 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 57 transitions. Word has length 25 [2023-11-12 02:29:40,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:29:40,264 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 57 transitions. [2023-11-12 02:29:40,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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) [2023-11-12 02:29:40,264 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2023-11-12 02:29:40,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 02:29:40,266 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:29:40,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:40,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:29:40,267 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:29:40,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:40,268 INFO L85 PathProgramCache]: Analyzing trace with hash -990332865, now seen corresponding path program 1 times [2023-11-12 02:29:40,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:40,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945188588] [2023-11-12 02:29:40,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:40,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:40,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:29:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:40,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:29:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:40,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:40,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:40,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945188588] [2023-11-12 02:29:40,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945188588] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:29:40,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:29:40,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:29:40,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116190760] [2023-11-12 02:29:40,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:29:40,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:29:40,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:40,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:29:40,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:29:40,512 INFO L87 Difference]: Start difference. First operand 44 states and 57 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2023-11-12 02:29:40,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:29:40,538 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2023-11-12 02:29:40,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:29:40,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 25 [2023-11-12 02:29:40,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:29:40,548 INFO L225 Difference]: With dead ends: 44 [2023-11-12 02:29:40,548 INFO L226 Difference]: Without dead ends: 43 [2023-11-12 02:29:40,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:29:40,554 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 5 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:29:40,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 145 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:29:40,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-12 02:29:40,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2023-11-12 02:29:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:29:40,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 52 transitions. [2023-11-12 02:29:40,561 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 52 transitions. Word has length 25 [2023-11-12 02:29:40,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:29:40,561 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 52 transitions. [2023-11-12 02:29:40,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2023-11-12 02:29:40,562 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2023-11-12 02:29:40,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 02:29:40,563 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:29:40,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:40,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:29:40,568 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:29:40,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:40,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1257616635, now seen corresponding path program 1 times [2023-11-12 02:29:40,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:40,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340079159] [2023-11-12 02:29:40,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:40,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:40,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:29:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:40,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:29:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:29:40,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:40,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340079159] [2023-11-12 02:29:40,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340079159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:29:40,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:29:40,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:29:40,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807798022] [2023-11-12 02:29:40,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:29:40,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:29:40,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:40,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:29:40,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:29:40,724 INFO L87 Difference]: Start difference. First operand 39 states and 52 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (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) [2023-11-12 02:29:40,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:29:40,736 INFO L93 Difference]: Finished difference Result 39 states and 52 transitions. [2023-11-12 02:29:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:29:40,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (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 26 [2023-11-12 02:29:40,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:29:40,738 INFO L225 Difference]: With dead ends: 39 [2023-11-12 02:29:40,738 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:29:40,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:29:40,746 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:29:40,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:29:40,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:29:40,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:29:40,752 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) [2023-11-12 02:29:40,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:29:40,752 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2023-11-12 02:29:40,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:29:40,752 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:29:40,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (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) [2023-11-12 02:29:40,753 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:29:40,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:29:40,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-12 02:29:40,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-12 02:29:40,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-12 02:29:40,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-12 02:29:40,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:29:40,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:29:40,778 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-12 02:29:40,778 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-12 02:29:40,778 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-12 02:29:40,778 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-12 02:29:40,778 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-12 02:29:40,779 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-12 02:29:40,779 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-12 02:29:40,780 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1589) no Hoare annotation was computed. [2023-11-12 02:29:40,780 INFO L899 garLoopResultBuilder]: For program point L1580(line 1580) no Hoare annotation was computed. [2023-11-12 02:29:40,780 INFO L899 garLoopResultBuilder]: For program point L1580-1(line 1580) no Hoare annotation was computed. [2023-11-12 02:29:40,781 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 1569 1576) no Hoare annotation was computed. [2023-11-12 02:29:40,781 INFO L902 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: true [2023-11-12 02:29:40,781 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2023-11-12 02:29:40,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed. [2023-11-12 02:29:40,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:29:40,781 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1568) no Hoare annotation was computed. [2023-11-12 02:29:40,782 INFO L899 garLoopResultBuilder]: For program point L1589(line 1589) no Hoare annotation was computed. [2023-11-12 02:29:40,782 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2023-11-12 02:29:40,782 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1580) no Hoare annotation was computed. [2023-11-12 02:29:40,782 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1563) no Hoare annotation was computed. [2023-11-12 02:29:40,782 INFO L902 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: true [2023-11-12 02:29:40,783 INFO L899 garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed. [2023-11-12 02:29:40,783 INFO L899 garLoopResultBuilder]: For program point L1549(lines 1549 1555) no Hoare annotation was computed. [2023-11-12 02:29:40,783 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:29:40,783 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true [2023-11-12 02:29:40,783 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2023-11-12 02:29:40,783 INFO L902 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: true [2023-11-12 02:29:40,783 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2023-11-12 02:29:40,784 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:29:40,784 INFO L899 garLoopResultBuilder]: For program point L1577(lines 1577 1584) no Hoare annotation was computed. [2023-11-12 02:29:40,784 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:29:40,784 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,784 INFO L899 garLoopResultBuilder]: For program point L1561-1(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,784 INFO L899 garLoopResultBuilder]: For program point L1561-3(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,784 INFO L899 garLoopResultBuilder]: For program point L1561-5(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,784 INFO L899 garLoopResultBuilder]: For program point L1561-7(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,785 INFO L899 garLoopResultBuilder]: For program point L1561-8(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,785 INFO L899 garLoopResultBuilder]: For program point L1561-10(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,785 INFO L899 garLoopResultBuilder]: For program point L1561-12(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,785 INFO L899 garLoopResultBuilder]: For program point L1561-14(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,786 INFO L899 garLoopResultBuilder]: For program point L1561-16(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,786 INFO L899 garLoopResultBuilder]: For program point L1561-18(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,786 INFO L899 garLoopResultBuilder]: For program point L1561-20(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,786 INFO L899 garLoopResultBuilder]: For program point L1561-22(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,786 INFO L899 garLoopResultBuilder]: For program point L1561-23(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,786 INFO L899 garLoopResultBuilder]: For program point L1561-25(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,786 INFO L899 garLoopResultBuilder]: For program point L1561-27(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,787 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1589) no Hoare annotation was computed. [2023-11-12 02:29:40,788 INFO L899 garLoopResultBuilder]: For program point L1561-29(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,791 INFO L899 garLoopResultBuilder]: For program point L1561-30(line 1561) no Hoare annotation was computed. [2023-11-12 02:29:40,792 INFO L902 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: true [2023-11-12 02:29:40,792 INFO L899 garLoopResultBuilder]: For program point L1595-1(lines 1585 1597) no Hoare annotation was computed. [2023-11-12 02:29:40,792 INFO L899 garLoopResultBuilder]: For program point L1587(lines 1587 1596) no Hoare annotation was computed. [2023-11-12 02:29:40,796 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:29:40,798 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:29:40,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:29:40 BoogieIcfgContainer [2023-11-12 02:29:40,805 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:29:40,806 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:29:40,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:29:40,811 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:29:40,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:29:38" (3/4) ... [2023-11-12 02:29:40,816 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:29:40,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-12 02:29:40,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-12 02:29:40,833 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-12 02:29:40,833 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-12 02:29:40,834 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:29:40,834 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:29:40,942 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:29:40,942 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:29:40,943 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:29:40,943 INFO L158 Benchmark]: Toolchain (without parser) took 4153.64ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 85.6MB in the beginning and 120.6MB in the end (delta: -35.0MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2023-11-12 02:29:40,944 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 136.3MB. Free memory was 105.5MB in the beginning and 105.4MB in the end (delta: 91.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:29:40,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1446.50ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 85.3MB in the beginning and 106.2MB in the end (delta: -20.9MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2023-11-12 02:29:40,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.16ms. Allocated memory is still 169.9MB. Free memory was 106.2MB in the beginning and 103.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:29:40,945 INFO L158 Benchmark]: Boogie Preprocessor took 43.96ms. Allocated memory is still 169.9MB. Free memory was 103.3MB in the beginning and 102.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:29:40,946 INFO L158 Benchmark]: RCFGBuilder took 473.44ms. Allocated memory is still 169.9MB. Free memory was 102.0MB in the beginning and 85.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:29:40,946 INFO L158 Benchmark]: TraceAbstraction took 1933.96ms. Allocated memory is still 169.9MB. Free memory was 85.2MB in the beginning and 125.8MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:29:40,946 INFO L158 Benchmark]: Witness Printer took 136.98ms. Allocated memory is still 169.9MB. Free memory was 125.8MB in the beginning and 120.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:29:40,948 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 136.3MB. Free memory was 105.5MB in the beginning and 105.4MB in the end (delta: 91.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1446.50ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 85.3MB in the beginning and 106.2MB in the end (delta: -20.9MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.16ms. Allocated memory is still 169.9MB. Free memory was 106.2MB in the beginning and 103.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.96ms. Allocated memory is still 169.9MB. Free memory was 103.3MB in the beginning and 102.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 473.44ms. Allocated memory is still 169.9MB. Free memory was 102.0MB in the beginning and 85.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1933.96ms. Allocated memory is still 169.9MB. Free memory was 85.2MB in the beginning and 125.8MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 136.98ms. Allocated memory is still 169.9MB. Free memory was 125.8MB in the beginning and 120.6MB in the end (delta: 5.2MB). 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: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1589]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 626 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 418 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 208 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 7 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 117 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:29:40,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c7bebcd-ab10-4554-ad1b-ab0ad89b52df/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE