./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 45255541e9f2c10081b59968edd0c3675976e2c471232f38322816c7085d6fae --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:19:17,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:19:18,073 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 04:19:18,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:19:18,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:19:18,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:19:18,133 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:19:18,134 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:19:18,135 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:19:18,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:19:18,142 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:19:18,143 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:19:18,144 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:19:18,144 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:19:18,145 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:19:18,146 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:19:18,146 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:19:18,147 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:19:18,147 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:19:18,148 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:19:18,148 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:19:18,149 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:19:18,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:19:18,151 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:19:18,151 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:19:18,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:19:18,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:19:18,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:19:18,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:19:18,153 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:19:18,154 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:19:18,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:19:18,155 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:19:18,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:19:18,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:19:18,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:19:18,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:19:18,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:19:18,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:19:18,157 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:19:18,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:19:18,158 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:19:18,158 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:19:18,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:19:18,158 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45255541e9f2c10081b59968edd0c3675976e2c471232f38322816c7085d6fae [2023-11-19 04:19:18,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:19:18,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:19:18,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:19:18,546 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:19:18,548 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:19:18,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_good.i [2023-11-19 04:19:21,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:19:22,490 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:19:22,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_14_good.i [2023-11-19 04:19:22,533 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ/data/9db4acec1/81a359f8f742470f85f40adfb14a36fc/FLAG39176cfc1 [2023-11-19 04:19:22,552 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ/data/9db4acec1/81a359f8f742470f85f40adfb14a36fc [2023-11-19 04:19:22,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:19:22,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:19:22,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:19:22,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:19:22,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:19:22,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:19:22" (1/1) ... [2023-11-19 04:19:22,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56232017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:22, skipping insertion in model container [2023-11-19 04:19:22,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:19:22" (1/1) ... [2023-11-19 04:19:22,686 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:19:23,112 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:19:23,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:19:23,721 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:19:23,756 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:19:23,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:19:24,000 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:19:24,001 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:19:24,001 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:19:24,001 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:19:24,001 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:19:24,001 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:19:24,008 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:19:24,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:24 WrapperNode [2023-11-19 04:19:24,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:19:24,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:19:24,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:19:24,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:19:24,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:24" (1/1) ... [2023-11-19 04:19:24,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:24" (1/1) ... [2023-11-19 04:19:24,074 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 116 [2023-11-19 04:19:24,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:19:24,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:19:24,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:19:24,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:19:24,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:24" (1/1) ... [2023-11-19 04:19:24,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:24" (1/1) ... [2023-11-19 04:19:24,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:24" (1/1) ... [2023-11-19 04:19:24,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:24" (1/1) ... [2023-11-19 04:19:24,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:24" (1/1) ... [2023-11-19 04:19:24,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:24" (1/1) ... [2023-11-19 04:19:24,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:24" (1/1) ... [2023-11-19 04:19:24,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:24" (1/1) ... [2023-11-19 04:19:24,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:19:24,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:19:24,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:19:24,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:19:24,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:24" (1/1) ... [2023-11-19 04:19:24,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:19:24,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:19:24,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:19:24,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:19:24,236 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 04:19:24,236 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 04:19:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 04:19:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:19:24,237 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:19:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:19:24,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:19:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:19:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:19:24,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:19:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:19:24,238 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:19:24,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:19:24,417 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:19:24,419 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:19:24,642 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:19:24,685 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:19:24,685 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:19:24,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:19:24 BoogieIcfgContainer [2023-11-19 04:19:24,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:19:24,693 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:19:24,693 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:19:24,697 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:19:24,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:19:22" (1/3) ... [2023-11-19 04:19:24,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4518f70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:19:24, skipping insertion in model container [2023-11-19 04:19:24,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:19:24" (2/3) ... [2023-11-19 04:19:24,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4518f70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:19:24, skipping insertion in model container [2023-11-19 04:19:24,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:19:24" (3/3) ... [2023-11-19 04:19:24,700 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_multiply_14_good.i [2023-11-19 04:19:24,719 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:19:24,719 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 04:19:24,772 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:19:24,780 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@74c95e49, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:19:24,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 04:19:24,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.605263157894737) internal successors, (61), 52 states have internal predecessors, (61), 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) [2023-11-19 04:19:24,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:19:24,795 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:19:24,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:19:24,797 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)] === [2023-11-19 04:19:24,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:19:24,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1526278935, now seen corresponding path program 1 times [2023-11-19 04:19:24,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:19:24,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330579113] [2023-11-19 04:19:24,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:19:24,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:19:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:19:25,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:19:25,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:19:25,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330579113] [2023-11-19 04:19:25,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330579113] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:19:25,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:19:25,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:19:25,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659278340] [2023-11-19 04:19:25,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:19:25,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:19:25,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:19:25,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:19:25,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:25,168 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.605263157894737) internal successors, (61), 52 states have internal predecessors, (61), 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 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-19 04:19:25,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:19:25,231 INFO L93 Difference]: Finished difference Result 113 states and 155 transitions. [2023-11-19 04:19:25,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:19:25,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 10 [2023-11-19 04:19:25,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:19:25,241 INFO L225 Difference]: With dead ends: 113 [2023-11-19 04:19:25,241 INFO L226 Difference]: Without dead ends: 53 [2023-11-19 04:19:25,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:25,247 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 71 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:19:25,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 61 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:19:25,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-19 04:19:25,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-19 04:19:25,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.4) internal successors, (49), 46 states have internal predecessors, (49), 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) [2023-11-19 04:19:25,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2023-11-19 04:19:25,291 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 10 [2023-11-19 04:19:25,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:19:25,292 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2023-11-19 04:19:25,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-19 04:19:25,293 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2023-11-19 04:19:25,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:19:25,294 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:19:25,294 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:19:25,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:19:25,295 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)] === [2023-11-19 04:19:25,295 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:19:25,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1473034706, now seen corresponding path program 1 times [2023-11-19 04:19:25,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:19:25,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901269501] [2023-11-19 04:19:25,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:19:25,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:19:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:19:25,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:19:25,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:19:25,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901269501] [2023-11-19 04:19:25,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901269501] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:19:25,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:19:25,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:19:25,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694130974] [2023-11-19 04:19:25,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:19:25,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:19:25,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:19:25,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:19:25,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:25,476 INFO L87 Difference]: Start difference. First operand 53 states and 65 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2023-11-19 04:19:25,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:19:25,515 INFO L93 Difference]: Finished difference Result 95 states and 115 transitions. [2023-11-19 04:19:25,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:19:25,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 [2023-11-19 04:19:25,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:19:25,517 INFO L225 Difference]: With dead ends: 95 [2023-11-19 04:19:25,517 INFO L226 Difference]: Without dead ends: 57 [2023-11-19 04:19:25,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:25,519 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 9 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:19:25,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 104 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:19:25,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-19 04:19:25,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2023-11-19 04:19:25,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 39 states have (on average 1.358974358974359) internal successors, (53), 48 states have internal predecessors, (53), 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) [2023-11-19 04:19:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 69 transitions. [2023-11-19 04:19:25,532 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 69 transitions. Word has length 12 [2023-11-19 04:19:25,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:19:25,533 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 69 transitions. [2023-11-19 04:19:25,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2023-11-19 04:19:25,533 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2023-11-19 04:19:25,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:19:25,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:19:25,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:19:25,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:19:25,535 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)] === [2023-11-19 04:19:25,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:19:25,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1580564296, now seen corresponding path program 1 times [2023-11-19 04:19:25,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:19:25,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609289298] [2023-11-19 04:19:25,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:19:25,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:19:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:19:25,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:19:25,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:19:25,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609289298] [2023-11-19 04:19:25,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609289298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:19:25,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:19:25,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:19:25,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206053992] [2023-11-19 04:19:25,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:19:25,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:19:25,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:19:25,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:19:25,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:25,624 INFO L87 Difference]: Start difference. First operand 56 states and 69 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-11-19 04:19:25,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:19:25,654 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2023-11-19 04:19:25,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:19:25,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2023-11-19 04:19:25,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:19:25,656 INFO L225 Difference]: With dead ends: 57 [2023-11-19 04:19:25,656 INFO L226 Difference]: Without dead ends: 56 [2023-11-19 04:19:25,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:25,658 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 3 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:19:25,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 103 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:19:25,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-19 04:19:25,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2023-11-19 04:19:25,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 47 states have internal predecessors, (52), 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) [2023-11-19 04:19:25,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2023-11-19 04:19:25,671 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 13 [2023-11-19 04:19:25,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:19:25,671 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2023-11-19 04:19:25,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-11-19 04:19:25,672 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2023-11-19 04:19:25,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:19:25,673 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:19:25,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:19:25,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:19:25,673 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)] === [2023-11-19 04:19:25,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:19:25,674 INFO L85 PathProgramCache]: Analyzing trace with hash 726229100, now seen corresponding path program 1 times [2023-11-19 04:19:25,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:19:25,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655367619] [2023-11-19 04:19:25,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:19:25,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:19:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:19:25,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:19:25,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:19:25,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655367619] [2023-11-19 04:19:25,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655367619] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:19:25,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:19:25,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:19:25,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687270462] [2023-11-19 04:19:25,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:19:25,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:19:25,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:19:25,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:19:25,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:25,756 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-19 04:19:25,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:19:25,791 INFO L93 Difference]: Finished difference Result 82 states and 97 transitions. [2023-11-19 04:19:25,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:19:25,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 18 [2023-11-19 04:19:25,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:19:25,794 INFO L225 Difference]: With dead ends: 82 [2023-11-19 04:19:25,794 INFO L226 Difference]: Without dead ends: 59 [2023-11-19 04:19:25,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:25,796 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 9 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:19:25,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 100 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:19:25,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-19 04:19:25,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2023-11-19 04:19:25,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 43 states have (on average 1.302325581395349) internal successors, (56), 49 states have internal predecessors, (56), 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) [2023-11-19 04:19:25,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2023-11-19 04:19:25,808 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 18 [2023-11-19 04:19:25,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:19:25,808 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2023-11-19 04:19:25,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2023-11-19 04:19:25,809 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2023-11-19 04:19:25,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:19:25,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:19:25,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:19:25,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 04:19:25,812 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)] === [2023-11-19 04:19:25,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:19:25,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1038265731, now seen corresponding path program 1 times [2023-11-19 04:19:25,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:19:25,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689044818] [2023-11-19 04:19:25,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:19:25,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:19:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:19:25,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:19:25,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:19:25,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689044818] [2023-11-19 04:19:25,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689044818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:19:25,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:19:25,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:19:25,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001655540] [2023-11-19 04:19:25,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:19:25,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:19:25,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:19:25,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:19:25,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:25,956 INFO L87 Difference]: Start difference. First operand 58 states and 72 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, (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) [2023-11-19 04:19:25,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:19:25,984 INFO L93 Difference]: Finished difference Result 59 states and 73 transitions. [2023-11-19 04:19:25,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:19:25,985 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, (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 19 [2023-11-19 04:19:25,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:19:25,986 INFO L225 Difference]: With dead ends: 59 [2023-11-19 04:19:25,986 INFO L226 Difference]: Without dead ends: 58 [2023-11-19 04:19:25,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:25,988 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 3 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:19:25,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 99 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:19:25,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-19 04:19:25,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2023-11-19 04:19:25,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 48 states have internal predecessors, (55), 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) [2023-11-19 04:19:25,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2023-11-19 04:19:25,999 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 19 [2023-11-19 04:19:25,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:19:25,999 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2023-11-19 04:19:26,000 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, (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) [2023-11-19 04:19:26,000 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2023-11-19 04:19:26,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:19:26,001 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:19:26,001 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:19:26,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 04:19:26,002 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)] === [2023-11-19 04:19:26,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:19:26,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1786744041, now seen corresponding path program 1 times [2023-11-19 04:19:26,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:19:26,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708106510] [2023-11-19 04:19:26,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:19:26,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:19:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:19:26,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:19:26,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:19:26,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708106510] [2023-11-19 04:19:26,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708106510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:19:26,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:19:26,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:19:26,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118801514] [2023-11-19 04:19:26,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:19:26,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:19:26,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:19:26,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:19:26,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:26,079 INFO L87 Difference]: Start difference. First operand 57 states and 71 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, (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) [2023-11-19 04:19:26,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:19:26,101 INFO L93 Difference]: Finished difference Result 57 states and 71 transitions. [2023-11-19 04:19:26,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:19:26,101 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, (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 21 [2023-11-19 04:19:26,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:19:26,103 INFO L225 Difference]: With dead ends: 57 [2023-11-19 04:19:26,103 INFO L226 Difference]: Without dead ends: 56 [2023-11-19 04:19:26,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:26,104 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 5 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:19:26,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 97 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:19:26,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-19 04:19:26,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-19 04:19:26,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 43 states have (on average 1.255813953488372) internal successors, (54), 47 states have internal predecessors, (54), 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) [2023-11-19 04:19:26,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2023-11-19 04:19:26,117 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 21 [2023-11-19 04:19:26,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:19:26,118 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2023-11-19 04:19:26,118 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, (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) [2023-11-19 04:19:26,118 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2023-11-19 04:19:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:19:26,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:19:26,119 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:19:26,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 04:19:26,120 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:19:26,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:19:26,124 INFO L85 PathProgramCache]: Analyzing trace with hash -445509436, now seen corresponding path program 1 times [2023-11-19 04:19:26,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:19:26,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41512346] [2023-11-19 04:19:26,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:19:26,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:19:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:19:26,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:19:26,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:19:26,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41512346] [2023-11-19 04:19:26,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41512346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:19:26,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:19:26,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:19:26,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934253626] [2023-11-19 04:19:26,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:19:26,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:19:26,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:19:26,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:19:26,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:26,193 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2023-11-19 04:19:26,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:19:26,222 INFO L93 Difference]: Finished difference Result 63 states and 76 transitions. [2023-11-19 04:19:26,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:19:26,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 22 [2023-11-19 04:19:26,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:19:26,226 INFO L225 Difference]: With dead ends: 63 [2023-11-19 04:19:26,226 INFO L226 Difference]: Without dead ends: 55 [2023-11-19 04:19:26,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:26,228 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 2 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:19:26,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 97 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:19:26,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-19 04:19:26,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-19 04:19:26,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 46 states have internal predecessors, (52), 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) [2023-11-19 04:19:26,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2023-11-19 04:19:26,249 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 22 [2023-11-19 04:19:26,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:19:26,250 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2023-11-19 04:19:26,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2023-11-19 04:19:26,250 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2023-11-19 04:19:26,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:19:26,253 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:19:26,253 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:19:26,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 04:19:26,253 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:19:26,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:19:26,254 INFO L85 PathProgramCache]: Analyzing trace with hash -709723109, now seen corresponding path program 1 times [2023-11-19 04:19:26,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:19:26,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829494645] [2023-11-19 04:19:26,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:19:26,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:19:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:19:26,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:19:26,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:19:26,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829494645] [2023-11-19 04:19:26,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829494645] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:19:26,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:19:26,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:19:26,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829042916] [2023-11-19 04:19:26,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:19:26,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:19:26,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:19:26,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:19:26,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:19:26,432 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2023-11-19 04:19:26,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:19:26,476 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2023-11-19 04:19:26,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:19:26,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 30 [2023-11-19 04:19:26,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:19:26,478 INFO L225 Difference]: With dead ends: 55 [2023-11-19 04:19:26,478 INFO L226 Difference]: Without dead ends: 54 [2023-11-19 04:19:26,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:19:26,479 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 37 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:19:26,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 86 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:19:26,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-19 04:19:26,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-19 04:19:26,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 43 states have (on average 1.186046511627907) internal successors, (51), 45 states have internal predecessors, (51), 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) [2023-11-19 04:19:26,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2023-11-19 04:19:26,487 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 30 [2023-11-19 04:19:26,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:19:26,487 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2023-11-19 04:19:26,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2023-11-19 04:19:26,487 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-19 04:19:26,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:19:26,489 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:19:26,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:19:26,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 04:19:26,489 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 04:19:26,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:19:26,490 INFO L85 PathProgramCache]: Analyzing trace with hash -526579733, now seen corresponding path program 1 times [2023-11-19 04:19:26,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:19:26,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728538773] [2023-11-19 04:19:26,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:19:26,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:19:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:19:26,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:19:26,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:19:26,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728538773] [2023-11-19 04:19:26,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728538773] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:19:26,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:19:26,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:19:26,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507002002] [2023-11-19 04:19:26,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:19:26,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:19:26,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:19:26,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:19:26,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:26,578 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2023-11-19 04:19:26,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:19:26,596 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2023-11-19 04:19:26,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:19:26,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 31 [2023-11-19 04:19:26,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:19:26,599 INFO L225 Difference]: With dead ends: 54 [2023-11-19 04:19:26,599 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:19:26,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:19:26,602 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:19:26,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:19:26,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:19:26,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:19:26,605 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) [2023-11-19 04:19:26,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:19:26,606 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2023-11-19 04:19:26,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:19:26,606 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:19:26,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2023-11-19 04:19:26,606 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:19:26,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:19:26,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-19 04:19:26,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-19 04:19:26,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-19 04:19:26,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-19 04:19:26,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-19 04:19:26,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-19 04:19:26,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-19 04:19:26,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-19 04:19:26,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 04:19:26,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:19:26,674 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 04:19:26,674 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 04:19:26,675 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 04:19:26,675 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 04:19:26,675 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2023-11-19 04:19:26,675 INFO L895 garLoopResultBuilder]: At program point L1654(line 1654) the Hoare annotation is: (= 5 ~globalFive~0) [2023-11-19 04:19:26,675 INFO L899 garLoopResultBuilder]: For program point L1654-1(line 1654) no Hoare annotation was computed. [2023-11-19 04:19:26,675 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2023-11-19 04:19:26,676 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1583) no Hoare annotation was computed. [2023-11-19 04:19:26,676 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 1548 1585) no Hoare annotation was computed. [2023-11-19 04:19:26,676 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2023-11-19 04:19:26,676 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2023-11-19 04:19:26,676 INFO L895 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= 5 ~globalFive~0)) [2023-11-19 04:19:26,677 INFO L899 garLoopResultBuilder]: For program point L1606(lines 1606 1617) no Hoare annotation was computed. [2023-11-19 04:19:26,677 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2023-11-19 04:19:26,677 INFO L899 garLoopResultBuilder]: For program point L1590(lines 1590 1603) no Hoare annotation was computed. [2023-11-19 04:19:26,677 INFO L899 garLoopResultBuilder]: For program point L1590-2(lines 1587 1619) no Hoare annotation was computed. [2023-11-19 04:19:26,677 INFO L895 garLoopResultBuilder]: At program point L1615(line 1615) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0) (= 5 ~globalFive~0)) [2023-11-19 04:19:26,677 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:19:26,677 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1582) no Hoare annotation was computed. [2023-11-19 04:19:26,678 INFO L899 garLoopResultBuilder]: For program point L1624(lines 1624 1631) no Hoare annotation was computed. [2023-11-19 04:19:26,678 INFO L899 garLoopResultBuilder]: For program point L1624-1(lines 1621 1640) no Hoare annotation was computed. [2023-11-19 04:19:26,678 INFO L899 garLoopResultBuilder]: For program point L1641(lines 1641 1657) no Hoare annotation was computed. [2023-11-19 04:19:26,678 INFO L899 garLoopResultBuilder]: For program point L1608(lines 1608 1616) no Hoare annotation was computed. [2023-11-19 04:19:26,678 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (= 5 ~globalFive~0)) [2023-11-19 04:19:26,678 INFO L899 garLoopResultBuilder]: For program point L1600-1(lines 1594 1601) no Hoare annotation was computed. [2023-11-19 04:19:26,678 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2023-11-19 04:19:26,679 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2023-11-19 04:19:26,679 INFO L899 garLoopResultBuilder]: For program point L1634(lines 1634 1638) no Hoare annotation was computed. [2023-11-19 04:19:26,679 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2023-11-19 04:19:26,679 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2023-11-19 04:19:26,679 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: false [2023-11-19 04:19:26,679 INFO L899 garLoopResultBuilder]: For program point L1651(lines 1651 1655) no Hoare annotation was computed. [2023-11-19 04:19:26,679 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1565) no Hoare annotation was computed. [2023-11-19 04:19:26,679 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1585) no Hoare annotation was computed. [2023-11-19 04:19:26,680 INFO L899 garLoopResultBuilder]: For program point L1610(line 1610) no Hoare annotation was computed. [2023-11-19 04:19:26,680 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) (= 5 ~globalFive~0)) [2023-11-19 04:19:26,680 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2023-11-19 04:19:26,680 INFO L899 garLoopResultBuilder]: For program point L1577-1(line 1577) no Hoare annotation was computed. [2023-11-19 04:19:26,680 INFO L895 garLoopResultBuilder]: At program point L1668(line 1668) the Hoare annotation is: (= 5 ~globalFive~0) [2023-11-19 04:19:26,680 INFO L899 garLoopResultBuilder]: For program point L1668-1(line 1668) no Hoare annotation was computed. [2023-11-19 04:19:26,680 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:19:26,681 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2023-11-19 04:19:26,681 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1601) no Hoare annotation was computed. [2023-11-19 04:19:26,681 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1619) no Hoare annotation was computed. [2023-11-19 04:19:26,681 INFO L895 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0) (= 5 ~globalFive~0)) [2023-11-19 04:19:26,682 INFO L899 garLoopResultBuilder]: For program point L1611-1(line 1611) no Hoare annotation was computed. [2023-11-19 04:19:26,682 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2023-11-19 04:19:26,682 INFO L899 garLoopResultBuilder]: For program point L1636-1(line 1636) no Hoare annotation was computed. [2023-11-19 04:19:26,682 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1610) no Hoare annotation was computed. [2023-11-19 04:19:26,682 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (= 5 ~globalFive~0)) [2023-11-19 04:19:26,682 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2023-11-19 04:19:26,682 INFO L899 garLoopResultBuilder]: For program point L1653(line 1653) no Hoare annotation was computed. [2023-11-19 04:19:26,683 INFO L899 garLoopResultBuilder]: For program point L1620(lines 1620 1640) no Hoare annotation was computed. [2023-11-19 04:19:26,683 INFO L899 garLoopResultBuilder]: For program point L1653-1(line 1653) no Hoare annotation was computed. [2023-11-19 04:19:26,683 INFO L899 garLoopResultBuilder]: For program point L1645-2(lines 1642 1657) no Hoare annotation was computed. [2023-11-19 04:19:26,683 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1653) no Hoare annotation was computed. [2023-11-19 04:19:26,683 INFO L895 garLoopResultBuilder]: At program point L1670(line 1670) the Hoare annotation is: (= 5 ~globalFive~0) [2023-11-19 04:19:26,683 INFO L895 garLoopResultBuilder]: At program point L1637(line 1637) the Hoare annotation is: (and (= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) (= 5 ~globalFive~0)) [2023-11-19 04:19:26,684 INFO L899 garLoopResultBuilder]: For program point L1670-1(line 1670) no Hoare annotation was computed. [2023-11-19 04:19:26,684 INFO L899 garLoopResultBuilder]: For program point L1637-1(line 1637) no Hoare annotation was computed. [2023-11-19 04:19:26,687 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:19:26,689 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:19:26,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:19:26 BoogieIcfgContainer [2023-11-19 04:19:26,696 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:19:26,697 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:19:26,697 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:19:26,697 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:19:26,697 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:19:24" (3/4) ... [2023-11-19 04:19:26,700 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:19:26,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 04:19:26,704 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 04:19:26,713 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 04:19:26,714 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 04:19:26,714 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 04:19:26,715 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:19:26,715 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:19:26,822 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:19:26,825 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:19:26,825 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:19:26,825 INFO L158 Benchmark]: Toolchain (without parser) took 4268.49ms. Allocated memory is still 174.1MB. Free memory was 125.7MB in the beginning and 52.4MB in the end (delta: 73.3MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. [2023-11-19 04:19:26,826 INFO L158 Benchmark]: CDTParser took 1.47ms. Allocated memory is still 125.8MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:19:26,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1449.68ms. Allocated memory is still 174.1MB. Free memory was 125.1MB in the beginning and 64.3MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-19 04:19:26,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.76ms. Allocated memory is still 174.1MB. Free memory was 64.3MB in the beginning and 61.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:19:26,833 INFO L158 Benchmark]: Boogie Preprocessor took 32.14ms. Allocated memory is still 174.1MB. Free memory was 61.5MB in the beginning and 59.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:19:26,833 INFO L158 Benchmark]: RCFGBuilder took 582.14ms. Allocated memory is still 174.1MB. Free memory was 59.4MB in the beginning and 126.3MB in the end (delta: -66.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:19:26,834 INFO L158 Benchmark]: TraceAbstraction took 2002.93ms. Allocated memory is still 174.1MB. Free memory was 125.3MB in the beginning and 58.7MB in the end (delta: 66.6MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2023-11-19 04:19:26,835 INFO L158 Benchmark]: Witness Printer took 128.21ms. Allocated memory is still 174.1MB. Free memory was 58.7MB in the beginning and 52.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:19:26,837 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47ms. Allocated memory is still 125.8MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1449.68ms. Allocated memory is still 174.1MB. Free memory was 125.1MB in the beginning and 64.3MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.76ms. Allocated memory is still 174.1MB. Free memory was 64.3MB in the beginning and 61.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.14ms. Allocated memory is still 174.1MB. Free memory was 61.5MB in the beginning and 59.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 582.14ms. Allocated memory is still 174.1MB. Free memory was 59.4MB in the beginning and 126.3MB in the end (delta: -66.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2002.93ms. Allocated memory is still 174.1MB. Free memory was 125.3MB in the beginning and 58.7MB in the end (delta: 66.6MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * Witness Printer took 128.21ms. Allocated memory is still 174.1MB. Free memory was 58.7MB in the beginning and 52.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1653]: 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, 61 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 149 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 848 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 365 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 140 IncrementalHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 483 mSDtfsCounter, 140 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 28, 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, 9 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 39 PreInvPairs, 47 NumberOfFragments, 86 HoareAnnotationTreeSize, 39 FomulaSimplifications, 5 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 297 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 04:19:26,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd6a49f-0fe0-43d0-b053-fc12eb69df66/bin/utaipan-verify-t7M7D8N6sZ/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