./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 bf0dd3bdd741cc3415346dd451c7a84a0076b4f1b58fb86ad47eac8c6a9a0027 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:11:02,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:11:02,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 23:11:02,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:11:02,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:11:02,163 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:11:02,163 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:11:02,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:11:02,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:11:02,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:11:02,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:11:02,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:11:02,167 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:11:02,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:11:02,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:11:02,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:11:02,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:11:02,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:11:02,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:11:02,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:11:02,172 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 23:11:02,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:11:02,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:11:02,174 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:11:02,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:11:02,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:11:02,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:11:02,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:02,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:11:02,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:11:02,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:11:02,178 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:11:02,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:11:02,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:11:02,180 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:11:02,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:11:02,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:11:02,181 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:11:02,181 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_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf0dd3bdd741cc3415346dd451c7a84a0076b4f1b58fb86ad47eac8c6a9a0027 [2023-11-06 23:11:02,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:11:02,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:11:02,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:11:02,454 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:11:02,456 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:11:02,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_03_good.i [2023-11-06 23:11:05,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:11:06,081 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:11:06,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_03_good.i [2023-11-06 23:11:06,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP/data/fffa102d1/bf922d8191514453b6e10fddaea0b45d/FLAGcf70c8d25 [2023-11-06 23:11:06,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP/data/fffa102d1/bf922d8191514453b6e10fddaea0b45d [2023-11-06 23:11:06,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:11:06,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:11:06,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:06,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:11:06,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:11:06,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:06" (1/1) ... [2023-11-06 23:11:06,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9f365d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:06, skipping insertion in model container [2023-11-06 23:11:06,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:06" (1/1) ... [2023-11-06 23:11:06,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:11:06,693 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 23:11:07,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:07,250 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:11:07,271 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 23:11:07,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:07,616 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:11:07,617 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:11:07,617 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:11:07,617 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:11:07,617 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:11:07,618 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:11:07,625 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:11:07,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:07 WrapperNode [2023-11-06 23:11:07,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:07,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:07,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:11:07,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:11:07,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:07" (1/1) ... [2023-11-06 23:11:07,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:07" (1/1) ... [2023-11-06 23:11:07,718 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 124 [2023-11-06 23:11:07,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:07,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:11:07,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:11:07,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:11:07,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:07" (1/1) ... [2023-11-06 23:11:07,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:07" (1/1) ... [2023-11-06 23:11:07,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:07" (1/1) ... [2023-11-06 23:11:07,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:07" (1/1) ... [2023-11-06 23:11:07,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:07" (1/1) ... [2023-11-06 23:11:07,770 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:07" (1/1) ... [2023-11-06 23:11:07,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:07" (1/1) ... [2023-11-06 23:11:07,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:07" (1/1) ... [2023-11-06 23:11:07,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:11:07,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:11:07,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:11:07,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:11:07,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:07" (1/1) ... [2023-11-06 23:11:07,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:07,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:07,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:11:07,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:11:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-06 23:11:07,862 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-06 23:11:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-06 23:11:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 23:11:07,863 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 23:11:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:11:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 23:11:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:11:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:11:07,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:11:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:11:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 23:11:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:11:08,023 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:11:08,025 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:11:08,219 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:11:08,226 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:11:08,227 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-06 23:11:08,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:08 BoogieIcfgContainer [2023-11-06 23:11:08,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:11:08,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:11:08,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:11:08,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:11:08,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:11:06" (1/3) ... [2023-11-06 23:11:08,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2345ab03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:08, skipping insertion in model container [2023-11-06 23:11:08,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:07" (2/3) ... [2023-11-06 23:11:08,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2345ab03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:08, skipping insertion in model container [2023-11-06 23:11:08,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:08" (3/3) ... [2023-11-06 23:11:08,238 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_03_good.i [2023-11-06 23:11:08,259 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:11:08,259 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-06 23:11:08,313 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:11:08,320 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=LoopsAndPotentialCycles, 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;@2e4d9120, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:11:08,320 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-06 23:11:08,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 39 states have (on average 1.5384615384615385) internal successors, (60), 53 states have internal predecessors, (60), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 23:11:08,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 23:11:08,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:08,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:08,334 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)] === [2023-11-06 23:11:08,339 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:08,340 INFO L85 PathProgramCache]: Analyzing trace with hash -171296224, now seen corresponding path program 1 times [2023-11-06 23:11:08,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:08,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499579533] [2023-11-06 23:11:08,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:08,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:08,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:11:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:08,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:08,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:08,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499579533] [2023-11-06 23:11:08,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499579533] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:08,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:08,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:08,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716259839] [2023-11-06 23:11:08,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:08,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:11:08,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:08,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:11:08,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:11:08,620 INFO L87 Difference]: Start difference. First operand has 62 states, 39 states have (on average 1.5384615384615385) internal successors, (60), 53 states have internal predecessors, (60), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:08,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:08,681 INFO L93 Difference]: Finished difference Result 114 states and 152 transitions. [2023-11-06 23:11:08,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:11:08,683 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-06 23:11:08,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:08,690 INFO L225 Difference]: With dead ends: 114 [2023-11-06 23:11:08,691 INFO L226 Difference]: Without dead ends: 51 [2023-11-06 23:11:08,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:11:08,698 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:08,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:08,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-06 23:11:08,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-06 23:11:08,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 44 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:08,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2023-11-06 23:11:08,768 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 12 [2023-11-06 23:11:08,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:08,770 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2023-11-06 23:11:08,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:08,771 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-06 23:11:08,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 23:11:08,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:08,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:08,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:11:08,775 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 23:11:08,777 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:08,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1706494971, now seen corresponding path program 1 times [2023-11-06 23:11:08,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:08,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253125336] [2023-11-06 23:11:08,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:08,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:11:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:09,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:09,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253125336] [2023-11-06 23:11:09,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253125336] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:09,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:09,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:09,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352770198] [2023-11-06 23:11:09,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:09,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:09,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:09,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:09,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:09,095 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:09,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:09,145 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2023-11-06 23:11:09,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:09,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-11-06 23:11:09,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:09,147 INFO L225 Difference]: With dead ends: 51 [2023-11-06 23:11:09,147 INFO L226 Difference]: Without dead ends: 50 [2023-11-06 23:11:09,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:09,149 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 6 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:09,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 99 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:09,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-06 23:11:09,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-06 23:11:09,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 43 states have internal predecessors, (44), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:09,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2023-11-06 23:11:09,162 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 14 [2023-11-06 23:11:09,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:09,163 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2023-11-06 23:11:09,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:09,164 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-06 23:11:09,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-06 23:11:09,164 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:09,165 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:09,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:11:09,165 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)] === [2023-11-06 23:11:09,166 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:09,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1361736478, now seen corresponding path program 1 times [2023-11-06 23:11:09,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:09,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664498863] [2023-11-06 23:11:09,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:09,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:11:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:09,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:09,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664498863] [2023-11-06 23:11:09,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664498863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:09,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:09,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:09,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037664922] [2023-11-06 23:11:09,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:09,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:09,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:09,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:09,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:09,236 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:09,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:09,258 INFO L93 Difference]: Finished difference Result 88 states and 104 transitions. [2023-11-06 23:11:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:09,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-11-06 23:11:09,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:09,260 INFO L225 Difference]: With dead ends: 88 [2023-11-06 23:11:09,260 INFO L226 Difference]: Without dead ends: 52 [2023-11-06 23:11:09,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:09,262 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 4 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:09,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 108 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:09,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-06 23:11:09,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-06 23:11:09,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 44 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:09,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2023-11-06 23:11:09,274 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 15 [2023-11-06 23:11:09,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:09,275 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2023-11-06 23:11:09,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:09,275 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-11-06 23:11:09,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-06 23:11:09,277 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:09,277 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:09,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:11:09,278 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 23:11:09,278 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:09,278 INFO L85 PathProgramCache]: Analyzing trace with hash 614410729, now seen corresponding path program 1 times [2023-11-06 23:11:09,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:09,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371776006] [2023-11-06 23:11:09,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:09,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:11:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 23:11:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 23:11:09,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:09,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371776006] [2023-11-06 23:11:09,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371776006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:09,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:09,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:09,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570391877] [2023-11-06 23:11:09,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:09,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:09,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:09,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:09,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:09,412 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:11:09,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:09,447 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2023-11-06 23:11:09,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:09,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2023-11-06 23:11:09,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:09,449 INFO L225 Difference]: With dead ends: 52 [2023-11-06 23:11:09,449 INFO L226 Difference]: Without dead ends: 51 [2023-11-06 23:11:09,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:09,451 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 6 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:09,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 96 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:09,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-06 23:11:09,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-06 23:11:09,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 36 states have (on average 1.25) internal successors, (45), 43 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:09,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2023-11-06 23:11:09,460 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 24 [2023-11-06 23:11:09,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:09,461 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2023-11-06 23:11:09,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:11:09,461 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-06 23:11:09,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-06 23:11:09,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:09,463 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:09,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:11:09,464 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 23:11:09,464 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:09,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1866863516, now seen corresponding path program 1 times [2023-11-06 23:11:09,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:09,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35380454] [2023-11-06 23:11:09,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:09,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:11:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 23:11:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 23:11:09,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:09,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35380454] [2023-11-06 23:11:09,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35380454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:09,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:09,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:09,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597738893] [2023-11-06 23:11:09,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:09,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:09,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:09,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:09,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:09,534 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:11:09,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:09,552 INFO L93 Difference]: Finished difference Result 75 states and 86 transitions. [2023-11-06 23:11:09,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:09,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2023-11-06 23:11:09,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:09,555 INFO L225 Difference]: With dead ends: 75 [2023-11-06 23:11:09,555 INFO L226 Difference]: Without dead ends: 52 [2023-11-06 23:11:09,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:09,557 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 3 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:09,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 103 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:09,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-06 23:11:09,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-06 23:11:09,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 43 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:09,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2023-11-06 23:11:09,566 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 25 [2023-11-06 23:11:09,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:09,567 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2023-11-06 23:11:09,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:11:09,568 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-11-06 23:11:09,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 23:11:09,569 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:09,569 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:09,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:11:09,570 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 23:11:09,570 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:09,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1243797917, now seen corresponding path program 1 times [2023-11-06 23:11:09,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:09,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062723125] [2023-11-06 23:11:09,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:09,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:11:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 23:11:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 23:11:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 23:11:09,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:09,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062723125] [2023-11-06 23:11:09,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062723125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:09,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:09,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:09,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130481712] [2023-11-06 23:11:09,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:09,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:09,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:09,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:09,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:09,654 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-11-06 23:11:09,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:09,667 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2023-11-06 23:11:09,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:09,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 31 [2023-11-06 23:11:09,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:09,669 INFO L225 Difference]: With dead ends: 52 [2023-11-06 23:11:09,669 INFO L226 Difference]: Without dead ends: 50 [2023-11-06 23:11:09,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:09,671 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 1 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:09,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 103 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:09,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-06 23:11:09,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-06 23:11:09,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 41 states have internal predecessors, (44), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:09,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2023-11-06 23:11:09,679 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 31 [2023-11-06 23:11:09,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:09,680 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2023-11-06 23:11:09,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2023-11-06 23:11:09,680 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-06 23:11:09,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 23:11:09,682 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:09,682 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2023-11-06 23:11:09,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:11:09,683 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 23:11:09,683 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:09,683 INFO L85 PathProgramCache]: Analyzing trace with hash -2067940988, now seen corresponding path program 1 times [2023-11-06 23:11:09,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:09,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922233271] [2023-11-06 23:11:09,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:09,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:11:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 23:11:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 23:11:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 23:11:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:09,777 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 23:11:09,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:09,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922233271] [2023-11-06 23:11:09,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922233271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:09,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:09,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:09,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220914277] [2023-11-06 23:11:09,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:09,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:09,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:09,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:09,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:09,780 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 23:11:09,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:09,790 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2023-11-06 23:11:09,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:09,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2023-11-06 23:11:09,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:09,792 INFO L225 Difference]: With dead ends: 50 [2023-11-06 23:11:09,792 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 23:11:09,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:09,793 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:09,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 102 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:09,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 23:11:09,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 23:11:09,795 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) [2023-11-06 23:11:09,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 23:11:09,795 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2023-11-06 23:11:09,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:09,796 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:11:09,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 23:11:09,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:11:09,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 23:11:09,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-06 23:11:09,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-06 23:11:09,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-06 23:11:09,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-06 23:11:09,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-06 23:11:09,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-06 23:11:09,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-06 23:11:09,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-06 23:11:09,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 23:11:09,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 23:11:09,856 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-06 23:11:09,856 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 23:11:09,856 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-06 23:11:09,856 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 23:11:09,856 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-06 23:11:09,857 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 23:11:09,857 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 23:11:09,858 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1606) no Hoare annotation was computed. [2023-11-06 23:11:09,858 INFO L899 garLoopResultBuilder]: For program point L1654(lines 1654 1660) no Hoare annotation was computed. [2023-11-06 23:11:09,858 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1601) no Hoare annotation was computed. [2023-11-06 23:11:09,858 INFO L899 garLoopResultBuilder]: For program point L1588-2(lines 1585 1615) no Hoare annotation was computed. [2023-11-06 23:11:09,858 INFO L895 garLoopResultBuilder]: At program point L1580(line 1580) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) [2023-11-06 23:11:09,858 INFO L899 garLoopResultBuilder]: For program point L1580-1(lines 1548 1583) no Hoare annotation was computed. [2023-11-06 23:11:09,859 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1661 1668) the Hoare annotation is: true [2023-11-06 23:11:09,859 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1648) no Hoare annotation was computed. [2023-11-06 23:11:09,859 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1581) no Hoare annotation was computed. [2023-11-06 23:11:09,859 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2023-11-06 23:11:09,859 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 23:11:09,860 INFO L895 garLoopResultBuilder]: At program point L1622(line 1622) the Hoare annotation is: false [2023-11-06 23:11:09,860 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2023-11-06 23:11:09,860 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2023-11-06 23:11:09,860 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed. [2023-11-06 23:11:09,860 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2023-11-06 23:11:09,863 INFO L902 garLoopResultBuilder]: At program point L1664(line 1664) the Hoare annotation is: true [2023-11-06 23:11:09,863 INFO L899 garLoopResultBuilder]: For program point L1664-1(line 1664) no Hoare annotation was computed. [2023-11-06 23:11:09,864 INFO L899 garLoopResultBuilder]: For program point L1631(line 1631) no Hoare annotation was computed. [2023-11-06 23:11:09,864 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483646) (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648))) [2023-11-06 23:11:09,865 INFO L899 garLoopResultBuilder]: For program point L1598-1(lines 1592 1599) no Hoare annotation was computed. [2023-11-06 23:11:09,865 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2023-11-06 23:11:09,866 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 23:11:09,866 INFO L899 garLoopResultBuilder]: For program point L1574(line 1574) no Hoare annotation was computed. [2023-11-06 23:11:09,866 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2023-11-06 23:11:09,867 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1636) no Hoare annotation was computed. [2023-11-06 23:11:09,868 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 1644) no Hoare annotation was computed. [2023-11-06 23:11:09,868 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648)) [2023-11-06 23:11:09,868 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2023-11-06 23:11:09,869 INFO L899 garLoopResultBuilder]: For program point L1641-2(lines 1638 1653) no Hoare annotation was computed. [2023-11-06 23:11:09,869 INFO L902 garLoopResultBuilder]: At program point L1666(line 1666) the Hoare annotation is: true [2023-11-06 23:11:09,869 INFO L902 garLoopResultBuilder]: At program point L1633(line 1633) the Hoare annotation is: true [2023-11-06 23:11:09,869 INFO L899 garLoopResultBuilder]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2023-11-06 23:11:09,869 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2023-11-06 23:11:09,869 INFO L899 garLoopResultBuilder]: For program point L1592(lines 1592 1599) no Hoare annotation was computed. [2023-11-06 23:11:09,869 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2023-11-06 23:11:09,869 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2023-11-06 23:11:09,870 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1615) no Hoare annotation was computed. [2023-11-06 23:11:09,870 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648)) [2023-11-06 23:11:09,872 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2023-11-06 23:11:09,872 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2023-11-06 23:11:09,872 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 23:11:09,873 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1631) no Hoare annotation was computed. [2023-11-06 23:11:09,873 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1565) no Hoare annotation was computed. [2023-11-06 23:11:09,873 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1583) no Hoare annotation was computed. [2023-11-06 23:11:09,873 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 23:11:09,873 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1631) no Hoare annotation was computed. [2023-11-06 23:11:09,873 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1606) no Hoare annotation was computed. [2023-11-06 23:11:09,873 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483646) (<= 0 (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648))) [2023-11-06 23:11:09,874 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2023-11-06 23:11:09,874 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1627) no Hoare annotation was computed. [2023-11-06 23:11:09,874 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 1617 1636) no Hoare annotation was computed. [2023-11-06 23:11:09,874 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648)) [2023-11-06 23:11:09,874 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1648) no Hoare annotation was computed. [2023-11-06 23:11:09,874 INFO L899 garLoopResultBuilder]: For program point L1637(lines 1637 1653) no Hoare annotation was computed. [2023-11-06 23:11:09,877 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:09,879 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:11:09,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:11:09 BoogieIcfgContainer [2023-11-06 23:11:09,891 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:11:09,892 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:11:09,893 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:11:09,893 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:11:09,893 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:08" (3/4) ... [2023-11-06 23:11:09,896 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:11:09,903 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-06 23:11:09,903 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-06 23:11:09,912 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-06 23:11:09,912 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-06 23:11:09,912 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 23:11:09,913 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:11:09,913 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:11:09,989 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:11:09,989 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:11:09,989 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:11:09,990 INFO L158 Benchmark]: Toolchain (without parser) took 3833.38ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 108.5MB in the beginning and 141.5MB in the end (delta: -33.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-11-06 23:11:09,990 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory was 65.9MB in the beginning and 65.8MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:11:09,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1467.23ms. Allocated memory is still 157.3MB. Free memory was 108.5MB in the beginning and 95.1MB in the end (delta: 13.4MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2023-11-06 23:11:09,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.19ms. Allocated memory is still 157.3MB. Free memory was 95.1MB in the beginning and 91.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:11:09,991 INFO L158 Benchmark]: Boogie Preprocessor took 68.43ms. Allocated memory is still 157.3MB. Free memory was 91.7MB in the beginning and 90.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:11:09,992 INFO L158 Benchmark]: RCFGBuilder took 440.82ms. Allocated memory is still 157.3MB. Free memory was 89.6MB in the beginning and 74.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 23:11:09,992 INFO L158 Benchmark]: TraceAbstraction took 1659.35ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 73.6MB in the beginning and 145.7MB in the end (delta: -72.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:11:09,993 INFO L158 Benchmark]: Witness Printer took 97.09ms. Allocated memory is still 199.2MB. Free memory was 145.7MB in the beginning and 141.5MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:11:09,998 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 100.7MB. Free memory was 65.9MB in the beginning and 65.8MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1467.23ms. Allocated memory is still 157.3MB. Free memory was 108.5MB in the beginning and 95.1MB in the end (delta: 13.4MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.19ms. Allocated memory is still 157.3MB. Free memory was 95.1MB in the beginning and 91.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.43ms. Allocated memory is still 157.3MB. Free memory was 91.7MB in the beginning and 90.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 440.82ms. Allocated memory is still 157.3MB. Free memory was 89.6MB in the beginning and 74.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1659.35ms. Allocated memory was 157.3MB in the beginning and 199.2MB in the end (delta: 41.9MB). Free memory was 73.6MB in the beginning and 145.7MB in the end (delta: -72.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 97.09ms. Allocated memory is still 199.2MB. Free memory was 145.7MB in the beginning and 141.5MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 62 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 683 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 283 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 400 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 20, 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 40 PreInvPairs, 49 NumberOfFragments, 47 HoareAnnotationTreeSize, 40 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 - InvariantResult [Line: 1661]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 23:11:10,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10989cf9-26e5-4b8a-9bdd-a376941eb64b/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE