./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya --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 ec774715b09b843c78b78d522465f6e76cb9e1f524e26f190cfb5b2d1ec97d2a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:32:50,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:32:50,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 05:32:50,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:32:50,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:32:50,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:32:50,292 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:32:50,293 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:32:50,293 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:32:50,294 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:32:50,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:32:50,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:32:50,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:32:50,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:32:50,297 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:32:50,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:32:50,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:32:50,298 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:32:50,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:32:50,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:32:50,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:32:50,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:32:50,301 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 05:32:50,301 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:32:50,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:32:50,302 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:32:50,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:32:50,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:32:50,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:32:50,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:32:50,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:32:50,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:32:50,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:32:50,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:32:50,306 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:32:50,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:32:50,306 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:32:50,307 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:32:50,307 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:32:50,307 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:32:50,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:32:50,308 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_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec774715b09b843c78b78d522465f6e76cb9e1f524e26f190cfb5b2d1ec97d2a [2023-11-29 05:32:50,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:32:50,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:32:50,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:32:50,558 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:32:50,558 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:32:50,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_12_good.i [2023-11-29 05:32:53,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:32:53,602 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:32:53,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_12_good.i [2023-11-29 05:32:53,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya/data/79faaef3f/118df19bccbf4bd1bcb4469c77c5ae2c/FLAG7d94308c3 [2023-11-29 05:32:53,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya/data/79faaef3f/118df19bccbf4bd1bcb4469c77c5ae2c [2023-11-29 05:32:53,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:32:53,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:32:53,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:32:53,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:32:53,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:32:53,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:32:53" (1/1) ... [2023-11-29 05:32:53,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b2d03d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:32:53, skipping insertion in model container [2023-11-29 05:32:53,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:32:53" (1/1) ... [2023-11-29 05:32:53,712 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:32:54,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:32:54,402 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:32:54,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:32:54,620 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:32:54,620 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:32:54,620 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:32:54,621 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:32:54,628 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:32:54,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:32:54 WrapperNode [2023-11-29 05:32:54,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:32:54,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:32:54,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:32:54,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:32:54,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:32:54" (1/1) ... [2023-11-29 05:32:54,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:32:54" (1/1) ... [2023-11-29 05:32:54,688 INFO L138 Inliner]: procedures = 500, calls = 77, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 109 [2023-11-29 05:32:54,688 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:32:54,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:32:54,689 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:32:54,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:32:54,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:32:54" (1/1) ... [2023-11-29 05:32:54,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:32:54" (1/1) ... [2023-11-29 05:32:54,702 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:32:54" (1/1) ... [2023-11-29 05:32:54,718 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [1, 7]. 88 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 3 writes are split as follows [0, 3]. [2023-11-29 05:32:54,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:32:54" (1/1) ... [2023-11-29 05:32:54,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:32:54" (1/1) ... [2023-11-29 05:32:54,727 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:32:54" (1/1) ... [2023-11-29 05:32:54,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:32:54" (1/1) ... [2023-11-29 05:32:54,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:32:54" (1/1) ... [2023-11-29 05:32:54,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:32:54" (1/1) ... [2023-11-29 05:32:54,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:32:54,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:32:54,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:32:54,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:32:54,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:32:54" (1/1) ... [2023-11-29 05:32:54,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:32:54,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:32:54,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:32:54,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:32:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-29 05:32:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-29 05:32:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2023-11-29 05:32:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2023-11-29 05:32:54,808 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 05:32:54,808 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 05:32:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:32:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:32:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 05:32:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:32:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:32:54,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:32:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:32:54,809 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 05:32:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:32:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 05:32:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:32:54,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:32:54,967 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:32:54,969 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:32:55,122 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:32:55,150 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:32:55,150 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 05:32:55,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:32:55 BoogieIcfgContainer [2023-11-29 05:32:55,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:32:55,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:32:55,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:32:55,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:32:55,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:32:53" (1/3) ... [2023-11-29 05:32:55,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a14d0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:32:55, skipping insertion in model container [2023-11-29 05:32:55,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:32:54" (2/3) ... [2023-11-29 05:32:55,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a14d0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:32:55, skipping insertion in model container [2023-11-29 05:32:55,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:32:55" (3/3) ... [2023-11-29 05:32:55,159 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_12_good.i [2023-11-29 05:32:55,190 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:32:55,190 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-29 05:32:55,237 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:32:55,244 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5159d83b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:32:55,244 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-29 05:32:55,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 42 states have internal predecessors, (49), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-29 05:32:55,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-29 05:32:55,256 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:32:55,256 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:32:55,257 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 05:32:55,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:32:55,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1564506959, now seen corresponding path program 1 times [2023-11-29 05:32:55,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:32:55,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322590033] [2023-11-29 05:32:55,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:32:55,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:32:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:55,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:32:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:55,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 05:32:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 05:32:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:55,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 05:32:55,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:32:55,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322590033] [2023-11-29 05:32:55,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322590033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:32:55,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:32:55,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:32:55,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688700939] [2023-11-29 05:32:55,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:32:55,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:32:55,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:32:55,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:32:55,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:32:55,688 INFO L87 Difference]: Start difference. First operand has 58 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 42 states have internal predecessors, (49), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 05:32:55,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:32:55,749 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2023-11-29 05:32:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:32:55,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2023-11-29 05:32:55,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:32:55,757 INFO L225 Difference]: With dead ends: 58 [2023-11-29 05:32:55,757 INFO L226 Difference]: Without dead ends: 49 [2023-11-29 05:32:55,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:32:55,763 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 2 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:32:55,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 176 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:32:55,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-29 05:32:55,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-29 05:32:55,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 30 states have (on average 1.4) internal successors, (42), 36 states have internal predecessors, (42), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-29 05:32:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2023-11-29 05:32:55,796 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 19 [2023-11-29 05:32:55,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:32:55,797 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2023-11-29 05:32:55,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 05:32:55,798 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2023-11-29 05:32:55,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-29 05:32:55,799 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:32:55,800 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:32:55,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:32:55,800 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 05:32:55,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:32:55,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1564522847, now seen corresponding path program 1 times [2023-11-29 05:32:55,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:32:55,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521192625] [2023-11-29 05:32:55,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:32:55,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:32:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:55,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:32:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 05:32:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 05:32:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 05:32:55,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:32:55,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521192625] [2023-11-29 05:32:55,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521192625] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:32:55,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:32:55,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:32:55,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303072522] [2023-11-29 05:32:55,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:32:55,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:32:55,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:32:55,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:32:55,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:32:55,950 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 05:32:55,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:32:55,992 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2023-11-29 05:32:55,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:32:55,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 19 [2023-11-29 05:32:55,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:32:55,994 INFO L225 Difference]: With dead ends: 49 [2023-11-29 05:32:55,994 INFO L226 Difference]: Without dead ends: 48 [2023-11-29 05:32:55,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:32:55,996 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 2 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:32:55,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 143 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:32:55,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-29 05:32:56,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-29 05:32:56,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 35 states have internal predecessors, (41), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-29 05:32:56,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2023-11-29 05:32:56,007 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 19 [2023-11-29 05:32:56,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:32:56,008 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2023-11-29 05:32:56,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 05:32:56,008 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2023-11-29 05:32:56,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-29 05:32:56,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:32:56,009 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:32:56,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:32:56,010 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 05:32:56,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:32:56,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1255075539, now seen corresponding path program 1 times [2023-11-29 05:32:56,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:32:56,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456471258] [2023-11-29 05:32:56,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:32:56,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:32:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:32:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 05:32:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 05:32:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 05:32:56,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:32:56,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456471258] [2023-11-29 05:32:56,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456471258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:32:56,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:32:56,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:32:56,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117207979] [2023-11-29 05:32:56,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:32:56,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:32:56,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:32:56,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:32:56,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:32:56,219 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 05:32:56,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:32:56,302 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2023-11-29 05:32:56,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:32:56,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2023-11-29 05:32:56,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:32:56,304 INFO L225 Difference]: With dead ends: 48 [2023-11-29 05:32:56,304 INFO L226 Difference]: Without dead ends: 47 [2023-11-29 05:32:56,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:32:56,306 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 15 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:32:56,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 143 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:32:56,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-29 05:32:56,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-29 05:32:56,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 34 states have internal predecessors, (40), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-29 05:32:56,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2023-11-29 05:32:56,315 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 20 [2023-11-29 05:32:56,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:32:56,316 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2023-11-29 05:32:56,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 05:32:56,316 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2023-11-29 05:32:56,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-29 05:32:56,317 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:32:56,317 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:32:56,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:32:56,318 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 05:32:56,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:32:56,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1255568083, now seen corresponding path program 1 times [2023-11-29 05:32:56,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:32:56,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005753982] [2023-11-29 05:32:56,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:32:56,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:32:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:32:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 05:32:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 05:32:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 05:32:56,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:32:56,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005753982] [2023-11-29 05:32:56,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005753982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:32:56,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:32:56,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:32:56,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142653048] [2023-11-29 05:32:56,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:32:56,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:32:56,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:32:56,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:32:56,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:32:56,468 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 05:32:56,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:32:56,548 INFO L93 Difference]: Finished difference Result 47 states and 58 transitions. [2023-11-29 05:32:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:32:56,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2023-11-29 05:32:56,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:32:56,550 INFO L225 Difference]: With dead ends: 47 [2023-11-29 05:32:56,551 INFO L226 Difference]: Without dead ends: 46 [2023-11-29 05:32:56,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:32:56,552 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 14 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:32:56,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 140 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:32:56,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-29 05:32:56,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-29 05:32:56,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3) internal successors, (39), 33 states have internal predecessors, (39), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-29 05:32:56,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2023-11-29 05:32:56,560 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 57 transitions. Word has length 20 [2023-11-29 05:32:56,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:32:56,560 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 57 transitions. [2023-11-29 05:32:56,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 05:32:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-11-29 05:32:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 05:32:56,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:32:56,562 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:32:56,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:32:56,563 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 05:32:56,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:32:56,563 INFO L85 PathProgramCache]: Analyzing trace with hash 865089707, now seen corresponding path program 1 times [2023-11-29 05:32:56,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:32:56,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633840162] [2023-11-29 05:32:56,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:32:56,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:32:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:32:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 05:32:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 05:32:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 05:32:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 05:32:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 05:32:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,653 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 05:32:56,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:32:56,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633840162] [2023-11-29 05:32:56,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633840162] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:32:56,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:32:56,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:32:56,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791091886] [2023-11-29 05:32:56,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:32:56,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:32:56,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:32:56,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:32:56,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:32:56,656 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 05:32:56,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:32:56,675 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2023-11-29 05:32:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:32:56,676 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 36 [2023-11-29 05:32:56,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:32:56,677 INFO L225 Difference]: With dead ends: 46 [2023-11-29 05:32:56,677 INFO L226 Difference]: Without dead ends: 44 [2023-11-29 05:32:56,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:32:56,678 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 6 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:32:56,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 86 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:32:56,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-29 05:32:56,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-29 05:32:56,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 31 states have internal predecessors, (37), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-29 05:32:56,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2023-11-29 05:32:56,686 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 36 [2023-11-29 05:32:56,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:32:56,686 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 55 transitions. [2023-11-29 05:32:56,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 05:32:56,687 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2023-11-29 05:32:56,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-29 05:32:56,688 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:32:56,688 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:32:56,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:32:56,689 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 05:32:56,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:32:56,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1047977258, now seen corresponding path program 1 times [2023-11-29 05:32:56,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:32:56,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088127824] [2023-11-29 05:32:56,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:32:56,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:32:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:32:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-29 05:32:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-29 05:32:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 05:32:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 05:32:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 05:32:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:32:56,774 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 05:32:56,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:32:56,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088127824] [2023-11-29 05:32:56,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088127824] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:32:56,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:32:56,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:32:56,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950703757] [2023-11-29 05:32:56,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:32:56,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:32:56,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:32:56,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:32:56,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:32:56,776 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 05:32:56,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:32:56,793 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2023-11-29 05:32:56,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:32:56,793 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2023-11-29 05:32:56,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:32:56,794 INFO L225 Difference]: With dead ends: 44 [2023-11-29 05:32:56,794 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 05:32:56,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:32:56,795 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 2 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:32:56,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 88 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:32:56,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 05:32:56,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 05:32:56,797 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) [2023-11-29 05:32:56,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 05:32:56,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2023-11-29 05:32:56,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:32:56,797 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:32:56,797 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 05:32:56,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:32:56,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 05:32:56,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-29 05:32:56,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-29 05:32:56,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-29 05:32:56,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-29 05:32:56,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-29 05:32:56,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-29 05:32:56,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-29 05:32:56,802 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-29 05:32:56,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:32:56,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 05:32:56,831 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-29 05:32:56,831 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 05:32:56,831 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-29 05:32:56,831 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 05:32:56,831 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseEXIT(lines 1518 1521) no Hoare annotation was computed. [2023-11-29 05:32:56,831 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1518 1521) the Hoare annotation is: true [2023-11-29 05:32:56,832 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-29 05:32:56,832 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-29 05:32:56,832 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2023-11-29 05:32:56,832 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2023-11-29 05:32:56,832 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2023-11-29 05:32:56,832 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2023-11-29 05:32:56,832 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2023-11-29 05:32:56,832 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2023-11-29 05:32:56,833 INFO L902 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: true [2023-11-29 05:32:56,833 INFO L899 garLoopResultBuilder]: For program point L1601-1(line 1601) no Hoare annotation was computed. [2023-11-29 05:32:56,833 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-29 05:32:56,833 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2023-11-29 05:32:56,833 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1600) no Hoare annotation was computed. [2023-11-29 05:32:56,833 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-29 05:32:56,833 INFO L899 garLoopResultBuilder]: For program point L1597-1(lines 1597 1610) no Hoare annotation was computed. [2023-11-29 05:32:56,833 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-29 05:32:56,833 INFO L899 garLoopResultBuilder]: For program point L1560(line 1560) no Hoare annotation was computed. [2023-11-29 05:32:56,833 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 1560 1583) no Hoare annotation was computed. [2023-11-29 05:32:56,834 INFO L902 garLoopResultBuilder]: At program point L1622(line 1622) the Hoare annotation is: true [2023-11-29 05:32:56,834 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~1#1| 2)) [2023-11-29 05:32:56,834 INFO L899 garLoopResultBuilder]: For program point L1622-1(line 1622) no Hoare annotation was computed. [2023-11-29 05:32:56,834 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2023-11-29 05:32:56,834 INFO L899 garLoopResultBuilder]: For program point L1589-2(lines 1589 1596) no Hoare annotation was computed. [2023-11-29 05:32:56,834 INFO L895 garLoopResultBuilder]: At program point L1589-4(lines 1589 1596) the Hoare annotation is: (= (+ |ULTIMATE.start_goodG2B_~data~1#1| 2) 0) [2023-11-29 05:32:56,834 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1611) no Hoare annotation was computed. [2023-11-29 05:32:56,834 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2023-11-29 05:32:56,835 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2023-11-29 05:32:56,835 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1559) no Hoare annotation was computed. [2023-11-29 05:32:56,835 INFO L895 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2023-11-29 05:32:56,835 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1559) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2023-11-29 05:32:56,835 INFO L899 garLoopResultBuilder]: For program point L1581-1(line 1581) no Hoare annotation was computed. [2023-11-29 05:32:56,835 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2023-11-29 05:32:56,835 INFO L899 garLoopResultBuilder]: For program point L1577-1(line 1577) no Hoare annotation was computed. [2023-11-29 05:32:56,835 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-29 05:32:56,836 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2023-11-29 05:32:56,836 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 05:32:56,836 INFO L899 garLoopResultBuilder]: For program point L1569-1(line 1569) no Hoare annotation was computed. [2023-11-29 05:32:56,836 INFO L895 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: (<= (select (select |#memory_int#1| |ULTIMATE.start_goodB2G_~#data~0#1.base|) |ULTIMATE.start_goodB2G_~#data~0#1.offset|) 2147483647) [2023-11-29 05:32:56,836 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2023-11-29 05:32:56,836 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1600) no Hoare annotation was computed. [2023-11-29 05:32:56,836 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 05:32:56,836 INFO L899 garLoopResultBuilder]: For program point L1607(line 1607) no Hoare annotation was computed. [2023-11-29 05:32:56,837 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1582) no Hoare annotation was computed. [2023-11-29 05:32:56,837 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2023-11-29 05:32:56,837 INFO L899 garLoopResultBuilder]: For program point L1574-2(lines 1560 1583) no Hoare annotation was computed. [2023-11-29 05:32:56,837 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2023-11-29 05:32:56,837 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1570) no Hoare annotation was computed. [2023-11-29 05:32:56,837 INFO L902 garLoopResultBuilder]: At program point L1620(line 1620) the Hoare annotation is: true [2023-11-29 05:32:56,837 INFO L899 garLoopResultBuilder]: For program point L1620-1(line 1620) no Hoare annotation was computed. [2023-11-29 05:32:56,837 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2023-11-29 05:32:56,837 INFO L902 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: true [2023-11-29 05:32:56,838 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2023-11-29 05:32:56,841 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-29 05:32:56,843 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:32:56,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:32:56 BoogieIcfgContainer [2023-11-29 05:32:56,847 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:32:56,848 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:32:56,848 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:32:56,848 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:32:56,849 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:32:55" (3/4) ... [2023-11-29 05:32:56,851 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:32:56,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-29 05:32:56,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2023-11-29 05:32:56,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-29 05:32:56,859 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-29 05:32:56,860 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-29 05:32:56,860 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 05:32:56,861 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:32:56,951 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:32:56,952 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:32:56,952 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:32:56,953 INFO L158 Benchmark]: Toolchain (without parser) took 3310.80ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 104.7MB in the beginning and 62.9MB in the end (delta: 41.8MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2023-11-29 05:32:56,953 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory was 55.6MB in the beginning and 55.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:32:56,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 986.33ms. Allocated memory is still 140.5MB. Free memory was 104.3MB in the beginning and 82.2MB in the end (delta: 22.1MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2023-11-29 05:32:56,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.46ms. Allocated memory is still 140.5MB. Free memory was 82.2MB in the beginning and 78.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:32:56,954 INFO L158 Benchmark]: Boogie Preprocessor took 48.56ms. Allocated memory is still 140.5MB. Free memory was 78.5MB in the beginning and 76.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:32:56,954 INFO L158 Benchmark]: RCFGBuilder took 412.38ms. Allocated memory is still 140.5MB. Free memory was 76.5MB in the beginning and 58.8MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 05:32:56,955 INFO L158 Benchmark]: TraceAbstraction took 1694.82ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 58.2MB in the beginning and 68.2MB in the end (delta: -10.0MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-29 05:32:56,955 INFO L158 Benchmark]: Witness Printer took 104.00ms. Allocated memory is still 169.9MB. Free memory was 68.2MB in the beginning and 62.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:32:56,957 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory was 55.6MB in the beginning and 55.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 986.33ms. Allocated memory is still 140.5MB. Free memory was 104.3MB in the beginning and 82.2MB in the end (delta: 22.1MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.46ms. Allocated memory is still 140.5MB. Free memory was 82.2MB in the beginning and 78.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.56ms. Allocated memory is still 140.5MB. Free memory was 78.5MB in the beginning and 76.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.38ms. Allocated memory is still 140.5MB. Free memory was 76.5MB in the beginning and 58.8MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1694.82ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 58.2MB in the beginning and 68.2MB in the end (delta: -10.0MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Witness Printer took 104.00ms. Allocated memory is still 169.9MB. Free memory was 68.2MB in the beginning and 62.9MB 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 58 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 776 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 482 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 207 IncrementalHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 294 mSDtfsCounter, 207 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 24 PreInvPairs, 24 NumberOfFragments, 59 HoareAnnotationTreeSize, 24 FomulaSimplifications, 6 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 32/32 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 05:32:56,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a8ddd0f-05e6-46fe-974f-b3c89348e8eb/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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