./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire --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 0eccc374ed364788d84fd4c063f2d8112569f00ff2defb766ef3ba8a3a2d7ad7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:00,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:00,915 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-23 21:14:00,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:00,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:00,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:00,962 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:00,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:00,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:00,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:00,969 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:00,970 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:00,970 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:00,972 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:00,972 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:00,973 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:00,973 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:00,973 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:00,974 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:00,974 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:00,975 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:00,975 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:00,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:00,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:00,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:00,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:00,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:00,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:00,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:00,979 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:14:00,980 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:14:00,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:00,981 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:00,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:00,981 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:00,981 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:00,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:00,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:00,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:00,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:00,982 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:00,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:00,983 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:00,983 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:00,983 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:00,984 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:00,984 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_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0eccc374ed364788d84fd4c063f2d8112569f00ff2defb766ef3ba8a3a2d7ad7 [2023-11-23 21:14:01,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:01,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:01,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:01,327 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:01,328 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:01,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2023-11-23 21:14:04,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:04,883 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:04,883 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2023-11-23 21:14:04,922 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/data/26edab3bd/2889dc091f9d4ef3be6c18c84033b770/FLAGb6ba16b07 [2023-11-23 21:14:04,941 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/data/26edab3bd/2889dc091f9d4ef3be6c18c84033b770 [2023-11-23 21:14:04,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:04,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:04,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:04,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:04,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:04,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:04" (1/1) ... [2023-11-23 21:14:04,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d3f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:04, skipping insertion in model container [2023-11-23 21:14:04,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:04" (1/1) ... [2023-11-23 21:14:05,080 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:05,545 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:14:06,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:06,114 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:06,148 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:14:06,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:06,474 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:06,474 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:06,474 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:06,475 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:06,475 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:06,475 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:06,482 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:06,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:06 WrapperNode [2023-11-23 21:14:06,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:06,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:06,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:06,484 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:06,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:06" (1/1) ... [2023-11-23 21:14:06,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:06" (1/1) ... [2023-11-23 21:14:06,563 INFO L138 Inliner]: procedures = 502, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 112 [2023-11-23 21:14:06,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:06,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:06,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:06,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:06,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:06" (1/1) ... [2023-11-23 21:14:06,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:06" (1/1) ... [2023-11-23 21:14:06,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:06" (1/1) ... [2023-11-23 21:14:06,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:06" (1/1) ... [2023-11-23 21:14:06,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:06" (1/1) ... [2023-11-23 21:14:06,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:06" (1/1) ... [2023-11-23 21:14:06,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:06" (1/1) ... [2023-11-23 21:14:06,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:06" (1/1) ... [2023-11-23 21:14:06,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:06,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:06,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:06,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:06,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:06" (1/1) ... [2023-11-23 21:14:06,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:06,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:06,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:06,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 21:14:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 21:14:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 21:14:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 21:14:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 21:14:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:14:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:14:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:06,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:14:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 21:14:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:06,921 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:06,923 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:07,136 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:07,181 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:07,181 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 21:14:07,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:07 BoogieIcfgContainer [2023-11-23 21:14:07,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:07,187 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:07,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:07,190 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:07,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:04" (1/3) ... [2023-11-23 21:14:07,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2262c84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:07, skipping insertion in model container [2023-11-23 21:14:07,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:06" (2/3) ... [2023-11-23 21:14:07,192 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2262c84b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:07, skipping insertion in model container [2023-11-23 21:14:07,192 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:07" (3/3) ... [2023-11-23 21:14:07,193 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2023-11-23 21:14:07,214 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:07,214 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-23 21:14:07,270 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:07,278 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;@637031f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:07,278 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-23 21:14:07,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 27 states have (on average 1.6666666666666667) internal successors, (45), 41 states have internal predecessors, (45), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:14:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 21:14:07,293 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:07,294 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:07,294 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 21:14:07,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:07,301 INFO L85 PathProgramCache]: Analyzing trace with hash -112764428, now seen corresponding path program 1 times [2023-11-23 21:14:07,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:07,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620886540] [2023-11-23 21:14:07,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:07,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:07,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:07,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:07,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620886540] [2023-11-23 21:14:07,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620886540] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:07,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:07,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:14:07,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028696252] [2023-11-23 21:14:07,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:07,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:07,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:07,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:07,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:07,639 INFO L87 Difference]: Start difference. First operand has 48 states, 27 states have (on average 1.6666666666666667) internal successors, (45), 41 states have internal predecessors, (45), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:07,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:07,722 INFO L93 Difference]: Finished difference Result 93 states and 110 transitions. [2023-11-23 21:14:07,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:07,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-11-23 21:14:07,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:07,733 INFO L225 Difference]: With dead ends: 93 [2023-11-23 21:14:07,733 INFO L226 Difference]: Without dead ends: 53 [2023-11-23 21:14:07,737 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 [2023-11-23 21:14:07,743 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 7 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:07,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 89 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:07,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-23 21:14:07,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 46. [2023-11-23 21:14:07,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 40 states have internal predecessors, (44), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:14:07,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2023-11-23 21:14:07,789 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 9 [2023-11-23 21:14:07,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:07,790 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions. [2023-11-23 21:14:07,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:07,791 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2023-11-23 21:14:07,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 21:14:07,792 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:07,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:07,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:14:07,793 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 21:14:07,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:07,795 INFO L85 PathProgramCache]: Analyzing trace with hash -116537488, now seen corresponding path program 1 times [2023-11-23 21:14:07,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:07,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684655734] [2023-11-23 21:14:07,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:07,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:08,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:08,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684655734] [2023-11-23 21:14:08,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684655734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:08,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:08,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:14:08,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288140946] [2023-11-23 21:14:08,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:08,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:14:08,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:08,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:14:08,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:14:08,041 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:08,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:08,122 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2023-11-23 21:14:08,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:14:08,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2023-11-23 21:14:08,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:08,125 INFO L225 Difference]: With dead ends: 53 [2023-11-23 21:14:08,125 INFO L226 Difference]: Without dead ends: 51 [2023-11-23 21:14:08,127 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 [2023-11-23 21:14:08,129 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 4 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:08,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 120 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:08,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-23 21:14:08,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-23 21:14:08,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 31 states have (on average 1.5806451612903225) internal successors, (49), 45 states have internal predecessors, (49), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:14:08,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2023-11-23 21:14:08,156 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 9 [2023-11-23 21:14:08,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:08,156 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2023-11-23 21:14:08,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:08,157 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-23 21:14:08,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 21:14:08,158 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:08,159 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:08,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:14:08,159 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 21:14:08,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:08,160 INFO L85 PathProgramCache]: Analyzing trace with hash -24541488, now seen corresponding path program 1 times [2023-11-23 21:14:08,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:08,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926751917] [2023-11-23 21:14:08,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:08,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:08,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:08,266 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:08,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926751917] [2023-11-23 21:14:08,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926751917] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:08,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:08,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:08,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724598507] [2023-11-23 21:14:08,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:08,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:08,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:08,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:08,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:08,269 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:08,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:08,300 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2023-11-23 21:14:08,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:08,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-11-23 21:14:08,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:08,302 INFO L225 Difference]: With dead ends: 51 [2023-11-23 21:14:08,302 INFO L226 Difference]: Without dead ends: 50 [2023-11-23 21:14:08,302 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 [2023-11-23 21:14:08,304 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 13 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:08,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 58 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:08,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-23 21:14:08,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-23 21:14:08,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 44 states have internal predecessors, (48), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:14:08,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2023-11-23 21:14:08,313 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 14 [2023-11-23 21:14:08,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:08,314 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2023-11-23 21:14:08,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:08,314 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-23 21:14:08,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 21:14:08,315 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:08,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:08,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:14:08,316 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 21:14:08,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:08,316 INFO L85 PathProgramCache]: Analyzing trace with hash -24449389, now seen corresponding path program 1 times [2023-11-23 21:14:08,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:08,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855111715] [2023-11-23 21:14:08,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:08,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:08,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:14:08,405 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:08,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855111715] [2023-11-23 21:14:08,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855111715] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:08,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:08,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:14:08,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129327560] [2023-11-23 21:14:08,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:08,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:08,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:08,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:08,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:08,408 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:08,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:08,467 INFO L93 Difference]: Finished difference Result 81 states and 96 transitions. [2023-11-23 21:14:08,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:08,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-11-23 21:14:08,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:08,469 INFO L225 Difference]: With dead ends: 81 [2023-11-23 21:14:08,469 INFO L226 Difference]: Without dead ends: 63 [2023-11-23 21:14:08,469 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 [2023-11-23 21:14:08,471 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 11 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 81 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 [2023-11-23 21:14:08,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 81 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:08,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-23 21:14:08,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 51. [2023-11-23 21:14:08,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.53125) internal successors, (49), 45 states have internal predecessors, (49), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:14:08,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2023-11-23 21:14:08,481 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 14 [2023-11-23 21:14:08,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:08,481 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2023-11-23 21:14:08,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:08,482 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-23 21:14:08,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 21:14:08,483 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:08,483 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:08,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:14:08,484 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 21:14:08,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:08,484 INFO L85 PathProgramCache]: Analyzing trace with hash -28314548, now seen corresponding path program 1 times [2023-11-23 21:14:08,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:08,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3759317] [2023-11-23 21:14:08,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:08,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:08,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:08,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:08,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3759317] [2023-11-23 21:14:08,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3759317] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:14:08,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772170266] [2023-11-23 21:14:08,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:08,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:14:08,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:08,626 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:14:08,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:14:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:08,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:14:08,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:08,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:08,833 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:14:08,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772170266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:08,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:14:08,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-23 21:14:08,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334680660] [2023-11-23 21:14:08,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:08,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:14:08,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:08,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:14:08,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:14:08,836 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:08,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:08,886 INFO L93 Difference]: Finished difference Result 86 states and 101 transitions. [2023-11-23 21:14:08,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:14:08,887 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-11-23 21:14:08,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:08,888 INFO L225 Difference]: With dead ends: 86 [2023-11-23 21:14:08,888 INFO L226 Difference]: Without dead ends: 44 [2023-11-23 21:14:08,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:14:08,890 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 16 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:08,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 117 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:08,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-23 21:14:08,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-23 21:14:08,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 38 states have internal predecessors, (41), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:14:08,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2023-11-23 21:14:08,898 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 14 [2023-11-23 21:14:08,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:08,899 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2023-11-23 21:14:08,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:08,899 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2023-11-23 21:14:08,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 21:14:08,900 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:08,900 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:08,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:09,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:14:09,122 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 21:14:09,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:09,123 INFO L85 PathProgramCache]: Analyzing trace with hash -760786043, now seen corresponding path program 1 times [2023-11-23 21:14:09,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:09,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423024968] [2023-11-23 21:14:09,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:09,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:09,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:14:09,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:09,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423024968] [2023-11-23 21:14:09,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423024968] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:09,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:09,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:09,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61413037] [2023-11-23 21:14:09,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:09,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:09,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:09,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:09,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:09,169 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:09,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:09,206 INFO L93 Difference]: Finished difference Result 82 states and 95 transitions. [2023-11-23 21:14:09,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:09,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2023-11-23 21:14:09,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:09,208 INFO L225 Difference]: With dead ends: 82 [2023-11-23 21:14:09,208 INFO L226 Difference]: Without dead ends: 49 [2023-11-23 21:14:09,209 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 [2023-11-23 21:14:09,210 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 7 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:09,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 72 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:09,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-23 21:14:09,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-23 21:14:09,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 42 states have internal predecessors, (46), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:14:09,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2023-11-23 21:14:09,219 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 15 [2023-11-23 21:14:09,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:09,220 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions. [2023-11-23 21:14:09,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 21:14:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2023-11-23 21:14:09,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 21:14:09,221 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:09,222 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:09,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 21:14:09,222 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 21:14:09,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:09,223 INFO L85 PathProgramCache]: Analyzing trace with hash 264729024, now seen corresponding path program 1 times [2023-11-23 21:14:09,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:09,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970285435] [2023-11-23 21:14:09,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:09,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:09,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 21:14:09,287 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:09,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970285435] [2023-11-23 21:14:09,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970285435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:09,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:09,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:14:09,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616968610] [2023-11-23 21:14:09,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:09,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:14:09,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:09,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:14:09,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:14:09,290 INFO L87 Difference]: Start difference. First operand 49 states and 56 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:14:09,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:09,339 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2023-11-23 21:14:09,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:14:09,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2023-11-23 21:14:09,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:09,340 INFO L225 Difference]: With dead ends: 60 [2023-11-23 21:14:09,341 INFO L226 Difference]: Without dead ends: 58 [2023-11-23 21:14:09,341 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 [2023-11-23 21:14:09,342 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 7 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:09,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 107 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:09,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-23 21:14:09,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-23 21:14:09,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 50 states have internal predecessors, (54), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-23 21:14:09,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions. [2023-11-23 21:14:09,351 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 18 [2023-11-23 21:14:09,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:09,352 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 68 transitions. [2023-11-23 21:14:09,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:14:09,352 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-11-23 21:14:09,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 21:14:09,354 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:09,354 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:09,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 21:14:09,354 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 21:14:09,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:09,355 INFO L85 PathProgramCache]: Analyzing trace with hash 392612883, now seen corresponding path program 1 times [2023-11-23 21:14:09,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:09,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801347672] [2023-11-23 21:14:09,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:09,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:09,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:14:09,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:09,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801347672] [2023-11-23 21:14:09,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801347672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:09,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:09,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:14:09,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125326541] [2023-11-23 21:14:09,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:09,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:14:09,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:09,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:14:09,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:14:09,436 INFO L87 Difference]: Start difference. First operand 58 states and 68 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:14:09,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:09,482 INFO L93 Difference]: Finished difference Result 76 states and 87 transitions. [2023-11-23 21:14:09,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:14:09,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-23 21:14:09,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:09,484 INFO L225 Difference]: With dead ends: 76 [2023-11-23 21:14:09,484 INFO L226 Difference]: Without dead ends: 61 [2023-11-23 21:14:09,485 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 [2023-11-23 21:14:09,486 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 3 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:09,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 113 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:09,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-23 21:14:09,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-23 21:14:09,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 53 states have internal predecessors, (57), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-23 21:14:09,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 71 transitions. [2023-11-23 21:14:09,514 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 71 transitions. Word has length 22 [2023-11-23 21:14:09,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:09,518 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 71 transitions. [2023-11-23 21:14:09,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:14:09,519 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 71 transitions. [2023-11-23 21:14:09,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 21:14:09,520 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:09,521 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:09,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 21:14:09,523 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 21:14:09,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:09,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1954058048, now seen corresponding path program 1 times [2023-11-23 21:14:09,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:09,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370482810] [2023-11-23 21:14:09,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:09,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:09,610 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 21:14:09,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:09,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370482810] [2023-11-23 21:14:09,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370482810] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:14:09,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753101618] [2023-11-23 21:14:09,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:09,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:14:09,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:09,612 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:14:09,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:14:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:09,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:14:09,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-23 21:14:09,779 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:14:09,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753101618] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:09,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:14:09,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-23 21:14:09,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781485660] [2023-11-23 21:14:09,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:09,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:14:09,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:09,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:14:09,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:14:09,782 INFO L87 Difference]: Start difference. First operand 61 states and 71 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-23 21:14:09,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:09,834 INFO L93 Difference]: Finished difference Result 85 states and 96 transitions. [2023-11-23 21:14:09,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:14:09,835 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 26 [2023-11-23 21:14:09,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:09,836 INFO L225 Difference]: With dead ends: 85 [2023-11-23 21:14:09,836 INFO L226 Difference]: Without dead ends: 50 [2023-11-23 21:14:09,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:14:09,838 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 6 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:09,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 124 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:09,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-23 21:14:09,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-23 21:14:09,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 43 states have internal predecessors, (46), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:14:09,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2023-11-23 21:14:09,845 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 26 [2023-11-23 21:14:09,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:09,845 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2023-11-23 21:14:09,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-23 21:14:09,846 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2023-11-23 21:14:09,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 21:14:09,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:09,847 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:09,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:10,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-23 21:14:10,069 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 21:14:10,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:10,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1134565319, now seen corresponding path program 1 times [2023-11-23 21:14:10,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:10,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263068853] [2023-11-23 21:14:10,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:10,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:14:10,162 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:10,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263068853] [2023-11-23 21:14:10,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263068853] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:14:10,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655648937] [2023-11-23 21:14:10,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:10,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:14:10,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:10,164 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:14:10,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 21:14:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:10,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:14:10,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:10,322 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:14:10,322 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:14:10,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655648937] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:10,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:14:10,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-23 21:14:10,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073473665] [2023-11-23 21:14:10,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:10,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:14:10,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:10,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:14:10,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:14:10,325 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2023-11-23 21:14:10,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:10,365 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2023-11-23 21:14:10,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:14:10,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2023-11-23 21:14:10,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:10,367 INFO L225 Difference]: With dead ends: 64 [2023-11-23 21:14:10,367 INFO L226 Difference]: Without dead ends: 46 [2023-11-23 21:14:10,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:14:10,369 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 24 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:10,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 92 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:10,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-23 21:14:10,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-23 21:14:10,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 35 states have (on average 1.1714285714285715) internal successors, (41), 39 states have internal predecessors, (41), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:14:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2023-11-23 21:14:10,378 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 25 [2023-11-23 21:14:10,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:10,379 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2023-11-23 21:14:10,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2023-11-23 21:14:10,379 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-11-23 21:14:10,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 21:14:10,381 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:10,381 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:10,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:10,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:14:10,596 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 21:14:10,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:10,597 INFO L85 PathProgramCache]: Analyzing trace with hash 811791888, now seen corresponding path program 1 times [2023-11-23 21:14:10,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:10,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400063678] [2023-11-23 21:14:10,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:10,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:10,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:14:10,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:10,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400063678] [2023-11-23 21:14:10,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400063678] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:10,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:10,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:14:10,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288193449] [2023-11-23 21:14:10,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:10,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:10,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:10,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:10,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:10,663 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-23 21:14:10,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:10,696 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2023-11-23 21:14:10,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:14:10,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2023-11-23 21:14:10,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:10,698 INFO L225 Difference]: With dead ends: 51 [2023-11-23 21:14:10,698 INFO L226 Difference]: Without dead ends: 49 [2023-11-23 21:14:10,698 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 [2023-11-23 21:14:10,699 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:10,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 64 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:10,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-23 21:14:10,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-23 21:14:10,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 42 states have internal predecessors, (44), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:14:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2023-11-23 21:14:10,713 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 26 [2023-11-23 21:14:10,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:10,714 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2023-11-23 21:14:10,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-11-23 21:14:10,715 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-23 21:14:10,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 21:14:10,721 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:10,722 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:10,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-23 21:14:10,722 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 21:14:10,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:10,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1359657452, now seen corresponding path program 1 times [2023-11-23 21:14:10,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:10,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049164452] [2023-11-23 21:14:10,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:10,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 21:14:10,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:10,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049164452] [2023-11-23 21:14:10,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049164452] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:10,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:10,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:14:10,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263252296] [2023-11-23 21:14:10,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:10,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:14:10,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:10,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:14:10,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:14:10,801 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 21:14:10,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:10,855 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2023-11-23 21:14:10,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:14:10,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2023-11-23 21:14:10,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:10,857 INFO L225 Difference]: With dead ends: 55 [2023-11-23 21:14:10,857 INFO L226 Difference]: Without dead ends: 53 [2023-11-23 21:14:10,857 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 [2023-11-23 21:14:10,858 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 3 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:10,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 98 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:10,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-23 21:14:10,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-23 21:14:10,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 41 states have (on average 1.146341463414634) internal successors, (47), 45 states have internal predecessors, (47), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:14:10,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2023-11-23 21:14:10,865 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 32 [2023-11-23 21:14:10,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:10,867 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2023-11-23 21:14:10,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 21:14:10,868 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2023-11-23 21:14:10,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 21:14:10,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:10,870 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2023-11-23 21:14:10,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-23 21:14:10,871 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 21:14:10,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:10,872 INFO L85 PathProgramCache]: Analyzing trace with hash -281279392, now seen corresponding path program 1 times [2023-11-23 21:14:10,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:10,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540088887] [2023-11-23 21:14:10,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:10,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:10,998 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 21:14:10,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:10,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540088887] [2023-11-23 21:14:10,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540088887] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:14:10,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174054343] [2023-11-23 21:14:10,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:10,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:14:10,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:11,000 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:14:11,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 21:14:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:11,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:14:11,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:14:11,166 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:14:11,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174054343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:11,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:14:11,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-23 21:14:11,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62206731] [2023-11-23 21:14:11,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:11,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:14:11,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:11,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:14:11,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:14:11,174 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 21:14:11,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:11,207 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2023-11-23 21:14:11,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:14:11,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2023-11-23 21:14:11,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:11,210 INFO L225 Difference]: With dead ends: 53 [2023-11-23 21:14:11,210 INFO L226 Difference]: Without dead ends: 52 [2023-11-23 21:14:11,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:14:11,211 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 4 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:11,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 84 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:11,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-11-23 21:14:11,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-23 21:14:11,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 44 states have internal predecessors, (46), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:14:11,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2023-11-23 21:14:11,223 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 35 [2023-11-23 21:14:11,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:11,223 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2023-11-23 21:14:11,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 21:14:11,224 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2023-11-23 21:14:11,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 21:14:11,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:11,225 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:11,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:11,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:14:11,447 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 21:14:11,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:11,448 INFO L85 PathProgramCache]: Analyzing trace with hash -129726430, now seen corresponding path program 1 times [2023-11-23 21:14:11,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:11,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405735695] [2023-11-23 21:14:11,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:11,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:11,528 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 21:14:11,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:11,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405735695] [2023-11-23 21:14:11,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405735695] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:14:11,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678980657] [2023-11-23 21:14:11,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:11,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:14:11,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:11,531 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:14:11,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 21:14:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:11,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:14:11,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:11,713 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:14:11,713 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:14:11,780 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:14:11,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678980657] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:14:11,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [664986941] [2023-11-23 21:14:11,806 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2023-11-23 21:14:11,807 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:14:11,811 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:14:11,817 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:14:11,818 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:14:15,592 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 105 for LOIs [2023-11-23 21:14:15,620 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 146 for LOIs [2023-11-23 21:14:15,708 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:14:23,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [664986941] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:23,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:14:23,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [5, 3, 3] total 28 [2023-11-23 21:14:23,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856486011] [2023-11-23 21:14:23,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:23,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-23 21:14:23,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:23,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-23 21:14:23,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=642, Unknown=0, NotChecked=0, Total=756 [2023-11-23 21:14:23,878 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand has 21 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-23 21:14:26,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:26,659 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2023-11-23 21:14:26,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-23 21:14:26,660 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 36 [2023-11-23 21:14:26,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:26,661 INFO L225 Difference]: With dead ends: 81 [2023-11-23 21:14:26,661 INFO L226 Difference]: Without dead ends: 53 [2023-11-23 21:14:26,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=119, Invalid=693, Unknown=0, NotChecked=0, Total=812 [2023-11-23 21:14:26,663 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 30 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:26,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 146 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 21:14:26,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-23 21:14:26,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47. [2023-11-23 21:14:26,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 39 states have internal predecessors, (40), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:14:26,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2023-11-23 21:14:26,679 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 36 [2023-11-23 21:14:26,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:26,679 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2023-11-23 21:14:26,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-23 21:14:26,680 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-11-23 21:14:26,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 21:14:26,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:26,681 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:26,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:26,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-23 21:14:26,885 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 21:14:26,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:26,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1526487987, now seen corresponding path program 1 times [2023-11-23 21:14:26,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:26,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79763185] [2023-11-23 21:14:26,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:26,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:26,968 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 21:14:26,968 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:26,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79763185] [2023-11-23 21:14:26,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79763185] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:14:26,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556484363] [2023-11-23 21:14:26,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:26,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:14:26,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:26,970 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:14:26,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 21:14:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:27,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:14:27,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:27,116 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:14:27,116 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:14:27,159 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:14:27,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556484363] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:14:27,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [718518203] [2023-11-23 21:14:27,164 INFO L159 IcfgInterpreter]: Started Sifa with 32 locations of interest [2023-11-23 21:14:27,164 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:14:27,165 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:14:27,165 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:14:27,165 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:14:30,188 INFO L197 IcfgInterpreter]: Interpreting procedure printIntLine with input of size 115 for LOIs [2023-11-23 21:14:30,253 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 70 for LOIs [2023-11-23 21:14:30,269 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:14:38,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [718518203] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:38,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:14:38,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [5, 3, 3] total 30 [2023-11-23 21:14:38,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256174294] [2023-11-23 21:14:38,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:38,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-23 21:14:38,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:38,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-23 21:14:38,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=743, Unknown=0, NotChecked=0, Total=870 [2023-11-23 21:14:38,481 INFO L87 Difference]: Start difference. First operand 47 states and 50 transitions. Second operand has 23 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-23 21:14:40,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:40,750 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2023-11-23 21:14:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-23 21:14:40,750 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2023-11-23 21:14:40,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:40,750 INFO L225 Difference]: With dead ends: 50 [2023-11-23 21:14:40,751 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:14:40,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=132, Invalid=798, Unknown=0, NotChecked=0, Total=930 [2023-11-23 21:14:40,752 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:40,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 49 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-23 21:14:40,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:14:40,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:14:40,754 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) [2023-11-23 21:14:40,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:14:40,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2023-11-23 21:14:40,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:40,754 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:14:40,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-23 21:14:40,755 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:14:40,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:14:40,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2023-11-23 21:14:40,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2023-11-23 21:14:40,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2023-11-23 21:14:40,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2023-11-23 21:14:40,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2023-11-23 21:14:40,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2023-11-23 21:14:40,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2023-11-23 21:14:40,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2023-11-23 21:14:40,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2023-11-23 21:14:40,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2023-11-23 21:14:40,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2023-11-23 21:14:40,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2023-11-23 21:14:40,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:14:40,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-23 21:14:40,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:14:45,144 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-23 21:14:45,144 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-23 21:14:45,144 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-23 21:14:45,144 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-23 21:14:45,144 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1571) no Hoare annotation was computed. [2023-11-23 21:14:45,145 INFO L895 garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: (and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base|) (= ~GLOBAL_CONST_FALSE~0 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_goodB2G_~#inputBuffer~0#1.offset| 0) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (exists ((|v_#memory_int_12| (Array Int (Array Int Int)))) (and (= (select (select |v_#memory_int_12| 1) 0) 0) (= |#memory_int| (store |v_#memory_int_12| |ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base| (store ((as const (Array Int Int)) 0) 0 0))) (= (select (select |v_#memory_int_12| 2) 0) 0))) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_goodB2G_~data~0#1| 0) (= |ULTIMATE.start_goodB2G_~i~1#1| 0) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (exists ((|v_#valid_21| (Array Int Int))) (and (= (select |v_#valid_21| 6) 1) (= (select |v_#valid_21| 4) 1) (= (store |v_#valid_21| |ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base| 1) |#valid|) (= (select |v_#valid_21| 1) 1) (= (select |v_#valid_21| |ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base|) 0) (= (select |v_#valid_21| 0) 0) (= (select |v_#valid_21| 5) 1) (= (select |v_#valid_21| 2) 1) (= (select |v_#valid_21| 3) 1))) (exists ((|v_#length_11| (Array Int Int))) (and (= (select |v_#length_11| 1) 1) (= 16 (select |v_#length_11| 3)) (= (select |v_#length_11| 2) 1) (= |#length| (store |v_#length_11| |ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base| 14)) (= (select |v_#length_11| 5) 18) (= (select |v_#length_11| 6) 16) (= (select |v_#length_11| 4) 54))) (= ~globalTrue~0 1)) [2023-11-23 21:14:45,145 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 1557 1564) no Hoare annotation was computed. [2023-11-23 21:14:45,145 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-23 21:14:45,145 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2023-11-23 21:14:45,145 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2023-11-23 21:14:45,146 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (<= 0 (+ 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|)) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (exists ((|v_#valid_12| (Array Int Int)) (|v_#memory_int_7| (Array Int (Array Int Int))) (|v_#length_6| (Array Int Int)) (|v_#memory_$Pointer$.offset_3| (Array Int (Array Int Int))) (|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| Int) (|v_#memory_$Pointer$.base_3| (Array Int (Array Int Int)))) (and (= (select |v_#valid_12| 1) 1) (= (select |v_#valid_12| 2) 1) (= (select |v_#length_6| 2) 1) (= (select |v_#valid_12| 5) 1) (= 16 (select |v_#length_6| 6)) (= 18 (select |v_#length_6| 5)) (= (select |v_#valid_12| 3) 1) (= (store |v_#valid_12| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| 0) |#valid|) (= (select (select |v_#memory_int_7| 2) 0) 0) (= (select |v_#valid_12| 0) 0) (= (select |v_#valid_12| 4) 1) (= (select |v_#length_6| 3) 16) (<= (+ |#StackHeapBarrier| 1) |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) (= (select (select |v_#memory_int_7| 1) 0) 0) (= (store |v_#memory_$Pointer$.base_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store (select |v_#memory_$Pointer$.base_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0))) |#memory_$Pointer$.base|) (= |#length| (store |v_#length_6| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| 14)) (= |#memory_int| (store |v_#memory_int_7| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store ((as const (Array Int Int)) 0) 0 0))) (= (select |v_#length_6| 4) 54) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store (select |v_#memory_$Pointer$.offset_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0)))) (= (select |v_#valid_12| 6) 1) (= (select |v_#length_6| 1) 1) (= (select |v_#valid_12| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0))) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= |ULTIMATE.start_goodB2G_~result~0#1| |ULTIMATE.start_goodB2G_~data~0#1|) (= ~globalFalse~0 0) (= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) (= ~globalTrue~0 1)) [2023-11-23 21:14:45,147 INFO L899 garLoopResultBuilder]: For program point L1573-1(line 1573) no Hoare annotation was computed. [2023-11-23 21:14:45,147 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2023-11-23 21:14:45,147 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1564) no Hoare annotation was computed. [2023-11-23 21:14:45,147 INFO L899 garLoopResultBuilder]: For program point L1590-3(line 1590) no Hoare annotation was computed. [2023-11-23 21:14:45,147 INFO L899 garLoopResultBuilder]: For program point L1590-4(line 1590) no Hoare annotation was computed. [2023-11-23 21:14:45,148 INFO L895 garLoopResultBuilder]: At program point L1590-5(lines 1590 1597) the Hoare annotation is: (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (= |ULTIMATE.start_goodG2B_~h~0#1| 1)) (.cse2 (<= 1 |#StackHeapBarrier|)) (.cse3 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse4 (= ~globalArgv~0.offset 0)) (.cse5 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse6 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse7 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse8 (exists ((|v_#valid_12| (Array Int Int)) (|v_#memory_int_7| (Array Int (Array Int Int))) (|v_#length_6| (Array Int Int)) (|v_#memory_$Pointer$.offset_3| (Array Int (Array Int Int))) (|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| Int) (|v_#memory_$Pointer$.base_3| (Array Int (Array Int Int)))) (and (= (select |v_#valid_12| 1) 1) (= (select |v_#valid_12| 2) 1) (= (select |v_#length_6| 2) 1) (= (select |v_#valid_12| 5) 1) (= 16 (select |v_#length_6| 6)) (= 18 (select |v_#length_6| 5)) (= (select |v_#valid_12| 3) 1) (= (store |v_#valid_12| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| 0) |#valid|) (= (select (select |v_#memory_int_7| 2) 0) 0) (= (select |v_#valid_12| 0) 0) (= (select |v_#valid_12| 4) 1) (= (select |v_#length_6| 3) 16) (<= (+ |#StackHeapBarrier| 1) |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) (= (select (select |v_#memory_int_7| 1) 0) 0) (= (store |v_#memory_$Pointer$.base_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store (select |v_#memory_$Pointer$.base_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0))) |#memory_$Pointer$.base|) (= |#length| (store |v_#length_6| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| 14)) (= |#memory_int| (store |v_#memory_int_7| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store ((as const (Array Int Int)) 0) 0 0))) (= (select |v_#length_6| 4) 54) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store (select |v_#memory_$Pointer$.offset_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0)))) (= (select |v_#valid_12| 6) 1) (= (select |v_#length_6| 1) 1) (= (select |v_#valid_12| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0)))) (.cse9 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse10 (= ~globalArgv~0.base 0)) (.cse11 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse12 (= ~globalFalse~0 0)) (.cse13 (= ~globalArgc~0 0)) (.cse14 (= 5 ~globalFive~0)) (.cse15 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_goodG2B_~j~0#1| 0) .cse3 .cse4 (= |ULTIMATE.start_goodG2B_~data~1#1| 2) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_goodG2B_~j~0#1| 1) .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_goodG2B_~data~1#1| 3) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15))) [2023-11-23 21:14:45,148 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2023-11-23 21:14:45,149 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:14:45,149 INFO L895 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= 1 (select |#valid| 5)) (<= 1 |#StackHeapBarrier|) (= (select (select |#memory_int| 2) 0) 0) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= (select |#length| 6) 16) (= (select (select |#memory_int| 1) 0) 0) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= (select |#valid| 3) 1) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= (select |#valid| 4) 1) (= 16 (select |#length| 3)) (= (select |#length| 2) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) (= ~globalFalse~0 0) (= 18 (select |#length| 5)) (= ~globalArgc~0 0) (= (select |#valid| 6) 1) (= 5 ~globalFive~0) (= (select |#length| 4) 54) (= ~globalTrue~0 1)) [2023-11-23 21:14:45,149 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2023-11-23 21:14:45,149 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-11-23 21:14:45,149 INFO L899 garLoopResultBuilder]: For program point L1567-2(line 1567) no Hoare annotation was computed. [2023-11-23 21:14:45,150 INFO L899 garLoopResultBuilder]: For program point L1567-3(line 1567) no Hoare annotation was computed. [2023-11-23 21:14:45,151 INFO L895 garLoopResultBuilder]: At program point L1567-4(lines 1567 1579) the Hoare annotation is: (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse2 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse3 (= ~globalArgv~0.offset 0)) (.cse4 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse5 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse6 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse7 (exists ((|v_#valid_12| (Array Int Int)) (|v_#memory_int_7| (Array Int (Array Int Int))) (|v_#length_6| (Array Int Int)) (|v_#memory_$Pointer$.offset_3| (Array Int (Array Int Int))) (|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| Int) (|v_#memory_$Pointer$.base_3| (Array Int (Array Int Int)))) (and (= (select |v_#valid_12| 1) 1) (= (select |v_#valid_12| 2) 1) (= (select |v_#length_6| 2) 1) (= (select |v_#valid_12| 5) 1) (= 16 (select |v_#length_6| 6)) (= 18 (select |v_#length_6| 5)) (= (select |v_#valid_12| 3) 1) (= (store |v_#valid_12| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| 0) |#valid|) (= (select (select |v_#memory_int_7| 2) 0) 0) (= (select |v_#valid_12| 0) 0) (= (select |v_#valid_12| 4) 1) (= (select |v_#length_6| 3) 16) (<= (+ |#StackHeapBarrier| 1) |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) (= (select (select |v_#memory_int_7| 1) 0) 0) (= (store |v_#memory_$Pointer$.base_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store (select |v_#memory_$Pointer$.base_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0))) |#memory_$Pointer$.base|) (= |#length| (store |v_#length_6| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| 14)) (= |#memory_int| (store |v_#memory_int_7| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store ((as const (Array Int Int)) 0) 0 0))) (= (select |v_#length_6| 4) 54) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store (select |v_#memory_$Pointer$.offset_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0)))) (= (select |v_#valid_12| 6) 1) (= (select |v_#length_6| 1) 1) (= (select |v_#valid_12| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0)))) (.cse8 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse9 (= ~globalArgv~0.base 0)) (.cse10 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse11 (= ~globalFalse~0 0)) (.cse12 (= |ULTIMATE.start_goodB2G_~i~1#1| 1)) (.cse13 (= ~globalArgc~0 0)) (.cse14 (= 5 ~globalFive~0)) (.cse15 (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647)) (.cse16 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 (<= 0 (+ 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|)) .cse3 .cse4 .cse5 .cse6 .cse7 (= |ULTIMATE.start_goodB2G_~k~0#1| 1) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (and .cse0 .cse1 (= |ULTIMATE.start_goodB2G_~k~0#1| 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16))) [2023-11-23 21:14:45,151 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-11-23 21:14:45,151 INFO L902 garLoopResultBuilder]: At program point L1609(line 1609) the Hoare annotation is: true [2023-11-23 21:14:45,151 INFO L899 garLoopResultBuilder]: For program point L1609-1(line 1609) no Hoare annotation was computed. [2023-11-23 21:14:45,151 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1567) no Hoare annotation was computed. [2023-11-23 21:14:45,152 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed. [2023-11-23 21:14:45,152 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2023-11-23 21:14:45,153 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (exists ((|v_#valid_12| (Array Int Int)) (|v_#memory_int_7| (Array Int (Array Int Int))) (|v_#length_6| (Array Int Int)) (|v_#memory_$Pointer$.offset_3| (Array Int (Array Int Int))) (|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| Int) (|v_#memory_$Pointer$.base_3| (Array Int (Array Int Int)))) (and (= (select |v_#valid_12| 1) 1) (= (select |v_#valid_12| 2) 1) (= (select |v_#length_6| 2) 1) (= (select |v_#valid_12| 5) 1) (= 16 (select |v_#length_6| 6)) (= 18 (select |v_#length_6| 5)) (= (select |v_#valid_12| 3) 1) (= (store |v_#valid_12| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| 0) |#valid|) (= (select (select |v_#memory_int_7| 2) 0) 0) (= (select |v_#valid_12| 0) 0) (= (select |v_#valid_12| 4) 1) (= (select |v_#length_6| 3) 16) (<= (+ |#StackHeapBarrier| 1) |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) (= (select (select |v_#memory_int_7| 1) 0) 0) (= (store |v_#memory_$Pointer$.base_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store (select |v_#memory_$Pointer$.base_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0))) |#memory_$Pointer$.base|) (= |#length| (store |v_#length_6| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| 14)) (= |#memory_int| (store |v_#memory_int_7| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store ((as const (Array Int Int)) 0) 0 0))) (= (select |v_#length_6| 4) 54) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store (select |v_#memory_$Pointer$.offset_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0)))) (= (select |v_#valid_12| 6) 1) (= (select |v_#length_6| 1) 1) (= (select |v_#valid_12| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0))) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) (= ~globalFalse~0 0) (= |ULTIMATE.start_goodB2G_~i~1#1| 1) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (= ~globalTrue~0 1)) [2023-11-23 21:14:45,153 INFO L899 garLoopResultBuilder]: For program point L1577-1(lines 1567 1579) no Hoare annotation was computed. [2023-11-23 21:14:45,153 INFO L899 garLoopResultBuilder]: For program point L1569(lines 1569 1578) no Hoare annotation was computed. [2023-11-23 21:14:45,153 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:14:45,154 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1567) no Hoare annotation was computed. [2023-11-23 21:14:45,154 INFO L899 garLoopResultBuilder]: For program point L1586-3(line 1586) no Hoare annotation was computed. [2023-11-23 21:14:45,154 INFO L899 garLoopResultBuilder]: For program point L1553-3(line 1553) no Hoare annotation was computed. [2023-11-23 21:14:45,154 INFO L899 garLoopResultBuilder]: For program point L1586-4(line 1586) no Hoare annotation was computed. [2023-11-23 21:14:45,154 INFO L899 garLoopResultBuilder]: For program point L1553-4(line 1553) no Hoare annotation was computed. [2023-11-23 21:14:45,155 INFO L895 garLoopResultBuilder]: At program point L1586-5(lines 1586 1589) the Hoare annotation is: (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse2 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse3 (= ~globalArgv~0.offset 0)) (.cse4 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse5 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse6 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse8 (+ |#StackHeapBarrier| 1)) (.cse7 (store ((as const (Array Int Int)) 0) 0 0)) (.cse9 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse10 (= ~globalArgv~0.base 0)) (.cse11 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse12 (= ~globalFalse~0 0)) (.cse13 (= ~globalArgc~0 0)) (.cse14 (= 5 ~globalFive~0)) (.cse15 (= ~globalTrue~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_goodG2B_~data~1#1| 0) .cse4 .cse5 .cse6 (exists ((|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_16| Int) (|v_#memory_int_10| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_6| (Array Int (Array Int Int))) (|v_#length_9| (Array Int Int)) (|v_#valid_17| (Array Int Int)) (|v_#memory_$Pointer$.base_6| (Array Int (Array Int Int)))) (and (= |#memory_int| (store |v_#memory_int_10| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_16| .cse7)) (<= .cse8 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_16|) (= 18 (select |v_#length_9| 5)) (= 54 (select |v_#length_9| 4)) (= (select |v_#valid_17| 2) 1) (= (select (select |v_#memory_int_10| 1) 0) 0) (= (select |v_#length_9| 1) 1) (= (select |v_#valid_17| 4) 1) (= (select |v_#valid_17| 3) 1) (= (select |v_#valid_17| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_16|) 0) (= (select |v_#valid_17| 6) 1) (= (select |v_#valid_17| 1) 1) (= (select |v_#length_9| 3) 16) (= |#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_6| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_16| (store (select |v_#memory_$Pointer$.base_6| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_16|) 0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_16|) 0)))) (= (select |v_#valid_17| 5) 1) (= (select |v_#length_9| 2) 1) (= (select (select |v_#memory_int_10| 2) 0) 0) (= (store |v_#length_9| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_16| 14) |#length|) (= (store |v_#valid_17| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_16| 0) |#valid|) (= (select |v_#valid_17| 0) 0) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_6| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_16| (store (select |v_#memory_$Pointer$.offset_6| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_16|) 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_16|) 0)))) (= 16 (select |v_#length_9| 6)))) .cse9 .cse10 .cse11 (= |ULTIMATE.start_goodG2B_~h~0#1| 0) .cse12 .cse13 .cse14 .cse15) (and .cse0 (= |ULTIMATE.start_goodG2B_~h~0#1| 1) .cse1 .cse2 .cse3 (= |ULTIMATE.start_goodG2B_~data~1#1| 2) .cse4 .cse5 .cse6 (exists ((|v_#valid_12| (Array Int Int)) (|v_#memory_int_7| (Array Int (Array Int Int))) (|v_#length_6| (Array Int Int)) (|v_#memory_$Pointer$.offset_3| (Array Int (Array Int Int))) (|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| Int) (|v_#memory_$Pointer$.base_3| (Array Int (Array Int Int)))) (and (= (select |v_#valid_12| 1) 1) (= (select |v_#valid_12| 2) 1) (= (select |v_#length_6| 2) 1) (= (select |v_#valid_12| 5) 1) (= 16 (select |v_#length_6| 6)) (= 18 (select |v_#length_6| 5)) (= (select |v_#valid_12| 3) 1) (= (store |v_#valid_12| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| 0) |#valid|) (= (select (select |v_#memory_int_7| 2) 0) 0) (= (select |v_#valid_12| 0) 0) (= (select |v_#valid_12| 4) 1) (= (select |v_#length_6| 3) 16) (<= .cse8 |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) (= (select (select |v_#memory_int_7| 1) 0) 0) (= (store |v_#memory_$Pointer$.base_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store (select |v_#memory_$Pointer$.base_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0))) |#memory_$Pointer$.base|) (= |#length| (store |v_#length_6| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| 14)) (= |#memory_int| (store |v_#memory_int_7| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| .cse7)) (= (select |v_#length_6| 4) 54) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store (select |v_#memory_$Pointer$.offset_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0)))) (= (select |v_#valid_12| 6) 1) (= (select |v_#length_6| 1) 1) (= (select |v_#valid_12| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0))) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15))) [2023-11-23 21:14:45,156 INFO L895 garLoopResultBuilder]: At program point L1553-5(lines 1553 1566) the Hoare annotation is: (let ((.cse0 (= ~GLOBAL_CONST_FALSE~0 0)) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse2 (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|)) (.cse3 (= ~globalArgv~0.offset 0)) (.cse4 (= 5 ~GLOBAL_CONST_FIVE~0)) (.cse5 (= ~GLOBAL_CONST_TRUE~0 1)) (.cse6 (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|)) (.cse7 (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|)) (.cse8 (= ~globalArgv~0.base 0)) (.cse9 (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|)) (.cse10 (= ~globalFalse~0 0)) (.cse11 (= ~globalArgc~0 0)) (.cse12 (= 5 ~globalFive~0)) (.cse13 (= ~globalTrue~0 1))) (or (and .cse0 (= 1 (select |#valid| 5)) .cse1 (= (select (select |#memory_int| 2) 0) 0) .cse2 (= (select |#length| 6) 16) (= (select (select |#memory_int| 1) 0) 0) .cse3 .cse4 (= (select |#valid| 3) 1) .cse5 .cse6 (= |ULTIMATE.start_goodB2G_~data~0#1| 0) (= |ULTIMATE.start_goodB2G_~i~1#1| 0) (= (select |#valid| 4) 1) (= 16 (select |#length| 3)) (= (select |#length| 2) 1) (= (select |#valid| 1) 1) .cse7 .cse8 .cse9 (= (select |#valid| 0) 0) (= (select |#length| 1) 1) (= (select |#valid| 2) 1) .cse10 (= 18 (select |#length| 5)) .cse11 (= (select |#valid| 6) 1) .cse12 (= (select |#length| 4) 54) .cse13) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (exists ((|v_#valid_12| (Array Int Int)) (|v_#memory_int_7| (Array Int (Array Int Int))) (|v_#length_6| (Array Int Int)) (|v_#memory_$Pointer$.offset_3| (Array Int (Array Int Int))) (|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| Int) (|v_#memory_$Pointer$.base_3| (Array Int (Array Int Int)))) (and (= (select |v_#valid_12| 1) 1) (= (select |v_#valid_12| 2) 1) (= (select |v_#length_6| 2) 1) (= (select |v_#valid_12| 5) 1) (= 16 (select |v_#length_6| 6)) (= 18 (select |v_#length_6| 5)) (= (select |v_#valid_12| 3) 1) (= (store |v_#valid_12| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| 0) |#valid|) (= (select (select |v_#memory_int_7| 2) 0) 0) (= (select |v_#valid_12| 0) 0) (= (select |v_#valid_12| 4) 1) (= (select |v_#length_6| 3) 16) (<= (+ |#StackHeapBarrier| 1) |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) (= (select (select |v_#memory_int_7| 1) 0) 0) (= (store |v_#memory_$Pointer$.base_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store (select |v_#memory_$Pointer$.base_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0))) |#memory_$Pointer$.base|) (= |#length| (store |v_#length_6| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| 14)) (= |#memory_int| (store |v_#memory_int_7| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store ((as const (Array Int Int)) 0) 0 0))) (= (select |v_#length_6| 4) 54) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store (select |v_#memory_$Pointer$.offset_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0)))) (= (select |v_#valid_12| 6) 1) (= (select |v_#length_6| 1) 1) (= (select |v_#valid_12| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0))) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648)) .cse7 .cse8 .cse9 .cse10 (= |ULTIMATE.start_goodB2G_~i~1#1| 1) .cse11 .cse12 (<= |ULTIMATE.start_goodB2G_~data~0#1| 2147483647) .cse13))) [2023-11-23 21:14:45,157 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1571) no Hoare annotation was computed. [2023-11-23 21:14:45,157 INFO L895 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: (and (= ~GLOBAL_CONST_FALSE~0 0) (= |ULTIMATE.start_goodG2B_~h~0#1| 1) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_goodG2B_~j~0#1| 0) (= |ULTIMATE.start_main_~argc#1| |ULTIMATE.start_main_#in~argc#1|) (= ~globalArgv~0.offset 0) (= 5 ~GLOBAL_CONST_FIVE~0) (= ~GLOBAL_CONST_TRUE~0 1) (= |ULTIMATE.start_main_#in~argv#1.base| |ULTIMATE.start_#in~argv#1.base|) (= |ULTIMATE.start_goodG2B_~result~1#1| 3) (exists ((|v_#valid_12| (Array Int Int)) (|v_#memory_int_7| (Array Int (Array Int Int))) (|v_#length_6| (Array Int Int)) (|v_#memory_$Pointer$.offset_3| (Array Int (Array Int Int))) (|v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| Int) (|v_#memory_$Pointer$.base_3| (Array Int (Array Int Int)))) (and (= (select |v_#valid_12| 1) 1) (= (select |v_#valid_12| 2) 1) (= (select |v_#length_6| 2) 1) (= (select |v_#valid_12| 5) 1) (= 16 (select |v_#length_6| 6)) (= 18 (select |v_#length_6| 5)) (= (select |v_#valid_12| 3) 1) (= (store |v_#valid_12| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| 0) |#valid|) (= (select (select |v_#memory_int_7| 2) 0) 0) (= (select |v_#valid_12| 0) 0) (= (select |v_#valid_12| 4) 1) (= (select |v_#length_6| 3) 16) (<= (+ |#StackHeapBarrier| 1) |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) (= (select (select |v_#memory_int_7| 1) 0) 0) (= (store |v_#memory_$Pointer$.base_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store (select |v_#memory_$Pointer$.base_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0 (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0))) |#memory_$Pointer$.base|) (= |#length| (store |v_#length_6| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| 14)) (= |#memory_int| (store |v_#memory_int_7| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store ((as const (Array Int Int)) 0) 0 0))) (= (select |v_#length_6| 4) 54) (= |#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14| (store (select |v_#memory_$Pointer$.offset_3| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0)))) (= (select |v_#valid_12| 6) 1) (= (select |v_#length_6| 1) 1) (= (select |v_#valid_12| |v_ULTIMATE.start_goodB2G_~#inputBuffer~0#1.base_14|) 0))) (= |ULTIMATE.start_goodG2B_~data~1#1| 3) (= |ULTIMATE.start_main_#in~argv#1.offset| |ULTIMATE.start_#in~argv#1.offset|) (= ~globalArgv~0.base 0) (= |ULTIMATE.start_main_#in~argc#1| |ULTIMATE.start_#in~argc#1|) (= ~globalFalse~0 0) (= ~globalArgc~0 0) (= 5 ~globalFive~0) (= ~globalTrue~0 1)) [2023-11-23 21:14:45,158 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2023-11-23 21:14:45,158 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-23 21:14:45,158 INFO L899 garLoopResultBuilder]: For program point L1571(line 1571) no Hoare annotation was computed. [2023-11-23 21:14:45,158 INFO L899 garLoopResultBuilder]: For program point L1571-1(line 1571) no Hoare annotation was computed. [2023-11-23 21:14:45,162 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:45,164 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:14:45,174 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:264) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translateStore(Term2Expression.java:346) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translateStore(Term2Expression.java:349) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:480) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:401) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.lib.translation.DefaultTranslator.translateExpressionWithContext(DefaultTranslator.java:165) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:101) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContextToString(ModelTranslationContainer.java:91) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.BacktranslationService.translateExpressionWithContextToString(BacktranslationService.java:98) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.(InvariantResult.java:47) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:454) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:191) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 21:14:45,178 INFO L158 Benchmark]: Toolchain (without parser) took 40229.63ms. Allocated memory was 138.4MB in the beginning and 497.0MB in the end (delta: 358.6MB). Free memory was 90.0MB in the beginning and 395.3MB in the end (delta: -305.3MB). Peak memory consumption was 285.3MB. Max. memory is 16.1GB. [2023-11-23 21:14:45,178 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:45,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1530.68ms. Allocated memory is still 138.4MB. Free memory was 89.7MB in the beginning and 70.7MB in the end (delta: 19.1MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2023-11-23 21:14:45,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.07ms. Allocated memory is still 138.4MB. Free memory was 70.7MB in the beginning and 67.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:14:45,179 INFO L158 Benchmark]: Boogie Preprocessor took 50.88ms. Allocated memory is still 138.4MB. Free memory was 67.3MB in the beginning and 65.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:14:45,180 INFO L158 Benchmark]: RCFGBuilder took 566.20ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 65.8MB in the beginning and 148.5MB in the end (delta: -82.7MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-11-23 21:14:45,180 INFO L158 Benchmark]: TraceAbstraction took 37990.72ms. Allocated memory was 182.5MB in the beginning and 497.0MB in the end (delta: 314.6MB). Free memory was 147.4MB in the beginning and 395.3MB in the end (delta: -247.8MB). Peak memory consumption was 295.8MB. Max. memory is 16.1GB. [2023-11-23 21:14:45,182 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1530.68ms. Allocated memory is still 138.4MB. Free memory was 89.7MB in the beginning and 70.7MB in the end (delta: 19.1MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.07ms. Allocated memory is still 138.4MB. Free memory was 70.7MB in the beginning and 67.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.88ms. Allocated memory is still 138.4MB. Free memory was 67.3MB in the beginning and 65.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 566.20ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 65.8MB in the beginning and 148.5MB in the end (delta: -82.7MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * TraceAbstraction took 37990.72ms. Allocated memory was 182.5MB in the beginning and 497.0MB in the end (delta: 314.6MB). Free memory was 147.4MB in the beginning and 395.3MB in the end (delta: -247.8MB). Peak memory consumption was 295.8MB. 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: 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, 48 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 37.9s, OverallIterations: 15, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 157 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 1414 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 894 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1447 IncrementalHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 520 mSDtfsCounter, 1447 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 283 SyntacticMatches, 1 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 17.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=8, InterpolantAutomatonStates: 96, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 25 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 36 PreInvPairs, 55 NumberOfFragments, 2393 HoareAnnotationTreeSize, 36 FomulaSimplifications, 2710 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 12 FomulaSimplificationsInter, 5635 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 509 NumberOfCodeBlocks, 509 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 561 ConstructedInterpolants, 0 QuantifiedInterpolants, 885 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1005 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 23 InterpolantComputations, 13 PerfectInterpolantSequences, 108/126 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: OVERALL_TIME: 7.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 67, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 124, TOOLS_POST_TIME: 3.7s, TOOLS_POST_CALL_APPLICATIONS: 32, TOOLS_POST_CALL_TIME: 0.9s, TOOLS_POST_RETURN_APPLICATIONS: 26, TOOLS_POST_RETURN_TIME: 1.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 177, TOOLS_QUANTIFIERELIM_TIME: 5.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 262, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 36, DOMAIN_JOIN_TIME: 0.9s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 67, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME: 3.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 3.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 26, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 1820, DAG_COMPRESSION_RETAINED_NODES: 228, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:264) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 21:14:45,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire --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 0eccc374ed364788d84fd4c063f2d8112569f00ff2defb766ef3ba8a3a2d7ad7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:47,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:47,918 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-23 21:14:47,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:47,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:47,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:47,990 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:47,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:47,997 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:48,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:48,003 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:48,004 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:48,004 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:48,006 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:48,007 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:48,007 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:48,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:48,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:48,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:48,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:48,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:48,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:48,013 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:14:48,013 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:14:48,014 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:14:48,014 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:14:48,015 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:14:48,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:48,016 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:48,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:48,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:14:48,018 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:48,019 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:48,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:48,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:48,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:48,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:48,021 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:14:48,021 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:14:48,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:48,022 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:48,023 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:48,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:48,023 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0eccc374ed364788d84fd4c063f2d8112569f00ff2defb766ef3ba8a3a2d7ad7 [2023-11-23 21:14:48,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:48,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:48,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:48,489 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:48,490 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:48,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2023-11-23 21:14:51,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:52,157 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:52,159 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2023-11-23 21:14:52,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/data/687ec8cca/85788f9dcc0c436da151d7bf3046d37d/FLAG76d8ee50b [2023-11-23 21:14:52,215 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/data/687ec8cca/85788f9dcc0c436da151d7bf3046d37d [2023-11-23 21:14:52,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:52,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:52,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:52,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:52,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:52,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:52,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d916f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:52, skipping insertion in model container [2023-11-23 21:14:52,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:52" (1/1) ... [2023-11-23 21:14:52,320 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:52,842 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:14:53,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:53,846 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:53,878 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:14:53,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:54,167 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:54,167 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:54,168 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:54,168 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:54,168 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:54,168 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:14:54,177 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:54,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:54 WrapperNode [2023-11-23 21:14:54,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:54,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:54,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:54,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:54,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:54" (1/1) ... [2023-11-23 21:14:54,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:54" (1/1) ... [2023-11-23 21:14:54,244 INFO L138 Inliner]: procedures = 507, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 111 [2023-11-23 21:14:54,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:54,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:54,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:54,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:54,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:54" (1/1) ... [2023-11-23 21:14:54,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:54" (1/1) ... [2023-11-23 21:14:54,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:54" (1/1) ... [2023-11-23 21:14:54,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:54" (1/1) ... [2023-11-23 21:14:54,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:54" (1/1) ... [2023-11-23 21:14:54,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:54" (1/1) ... [2023-11-23 21:14:54,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:54" (1/1) ... [2023-11-23 21:14:54,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:54" (1/1) ... [2023-11-23 21:14:54,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:54,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:54,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:54,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:54,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:54" (1/1) ... [2023-11-23 21:14:54,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:54,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:54,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:54,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:54,374 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 21:14:54,374 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 21:14:54,375 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 21:14:54,376 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 21:14:54,377 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 21:14:54,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:14:54,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:14:54,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:54,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:14:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 21:14:54,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 21:14:54,583 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:54,585 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:54,790 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:54,857 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:54,867 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 21:14:54,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:54 BoogieIcfgContainer [2023-11-23 21:14:54,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:54,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:54,871 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:54,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:54,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:52" (1/3) ... [2023-11-23 21:14:54,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3048fa11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:54, skipping insertion in model container [2023-11-23 21:14:54,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:54" (2/3) ... [2023-11-23 21:14:54,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3048fa11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:54, skipping insertion in model container [2023-11-23 21:14:54,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:54" (3/3) ... [2023-11-23 21:14:54,879 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_17_good.i [2023-11-23 21:14:54,899 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:54,899 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-23 21:14:54,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:54,968 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;@49215042, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:54,968 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-23 21:14:54,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.696969696969697) internal successors, (56), 47 states have internal predecessors, (56), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-23 21:14:54,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 21:14:54,983 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:54,984 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:54,984 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2023-11-23 21:14:54,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:54,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1313106494, now seen corresponding path program 1 times [2023-11-23 21:14:55,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:14:55,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [322289282] [2023-11-23 21:14:55,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:55,011 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:14:55,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:14:55,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:14:55,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52febd42-db6b-4f7e-98ab-42ae6469b2f5/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:14:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:55,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:14:55,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:14:55,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:14:55,192 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:14:55,193 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:14:55,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [322289282] [2023-11-23 21:14:55,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [322289282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:55,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:55,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-23 21:14:55,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299238036] [2023-11-23 21:14:55,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:55,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:14:55,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:14:55,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:14:55,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:14:55,237 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.696969696969697) internal successors, (56), 47 states have internal predecessors, (56), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-23 21:14:55,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:14:55,288 INFO L93 Difference]: Finished difference Result 92 states and 120 transitions. [2023-11-23 21:14:55,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:14:55,291 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 11 [2023-11-23 21:14:55,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:14:55,300 INFO L225 Difference]: With dead ends: 92 [2023-11-23 21:14:55,300 INFO L226 Difference]: Without dead ends: 44 [2023-11-23 21:14:55,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:14:55,307 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:14:55,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:14:55,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-23 21:14:55,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-23 21:14:55,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 38 states have internal predecessors, (43), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-23 21:14:55,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2023-11-23 21:14:55,354 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 11 [2023-11-23 21:14:55,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:14:55,356 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2023-11-23 21:14:55,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-23 21:14:55,357 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions.