./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aad0f86d7ec66ee2be677dc669c03e51908c72b031bd495b9b858f7b8ca3aec7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:06:53,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:06:53,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 05:06:53,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:06:53,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:06:53,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:06:53,594 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:06:53,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:06:53,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:06:53,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:06:53,603 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:06:53,605 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:06:53,605 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:06:53,607 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:06:53,608 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:06:53,609 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:06:53,609 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:06:53,610 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:06:53,610 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:06:53,611 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:06:53,612 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:06:53,612 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:06:53,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:06:53,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:06:53,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:06:53,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:06:53,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:06:53,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:06:53,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:06:53,618 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:06:53,619 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:06:53,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:06:53,620 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:06:53,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:06:53,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:06:53,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:53,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:06:53,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:06:53,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:06:53,623 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:06:53,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:06:53,624 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:06:53,624 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:06:53,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:06:53,626 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_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad0f86d7ec66ee2be677dc669c03e51908c72b031bd495b9b858f7b8ca3aec7 [2023-11-19 05:06:53,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:06:53,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:06:54,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:06:54,004 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:06:54,004 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:06:54,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_good.i [2023-11-19 05:06:57,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:06:57,896 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:06:57,897 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_good.i [2023-11-19 05:06:57,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ/data/7d8bdd070/cf789f12799644df8cdbeb41e9e67bd0/FLAG995116cec [2023-11-19 05:06:57,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ/data/7d8bdd070/cf789f12799644df8cdbeb41e9e67bd0 [2023-11-19 05:06:57,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:06:57,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:06:57,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:57,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:06:57,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:06:57,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:57" (1/1) ... [2023-11-19 05:06:57,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79593618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:57, skipping insertion in model container [2023-11-19 05:06:57,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:57" (1/1) ... [2023-11-19 05:06:58,076 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:06:58,577 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:06:59,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:59,462 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:06:59,503 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:06:59,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:59,765 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:06:59,765 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:06:59,765 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:06:59,765 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:06:59,766 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:06:59,766 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:06:59,775 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:06:59,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:59 WrapperNode [2023-11-19 05:06:59,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:59,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:59,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:06:59,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:06:59,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:59" (1/1) ... [2023-11-19 05:06:59,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:59" (1/1) ... [2023-11-19 05:06:59,873 INFO L138 Inliner]: procedures = 502, calls = 85, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 118 [2023-11-19 05:06:59,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:59,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:06:59,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:06:59,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:06:59,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:59" (1/1) ... [2023-11-19 05:06:59,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:59" (1/1) ... [2023-11-19 05:06:59,899 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:59" (1/1) ... [2023-11-19 05:06:59,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:59" (1/1) ... [2023-11-19 05:06:59,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:59" (1/1) ... [2023-11-19 05:06:59,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:59" (1/1) ... [2023-11-19 05:06:59,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:59" (1/1) ... [2023-11-19 05:06:59,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:59" (1/1) ... [2023-11-19 05:06:59,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:06:59,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:06:59,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:06:59,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:06:59,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:59" (1/1) ... [2023-11-19 05:06:59,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:59,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:59,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:07:00,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:07:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 05:07:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 05:07:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 05:07:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2023-11-19 05:07:00,035 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2023-11-19 05:07:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 05:07:00,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 05:07:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:07:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:07:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:07:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:07:00,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:07:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:07:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 05:07:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:07:00,239 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:07:00,242 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:07:00,602 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:07:00,731 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:07:00,735 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:07:00,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:00 BoogieIcfgContainer [2023-11-19 05:07:00,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:07:00,749 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:07:00,750 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:07:00,754 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:07:00,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:06:57" (1/3) ... [2023-11-19 05:07:00,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d789cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:00, skipping insertion in model container [2023-11-19 05:07:00,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:59" (2/3) ... [2023-11-19 05:07:00,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d789cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:00, skipping insertion in model container [2023-11-19 05:07:00,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:00" (3/3) ... [2023-11-19 05:07:00,790 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_12_good.i [2023-11-19 05:07:00,813 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:07:00,814 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-19 05:07:00,884 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:07:00,893 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;@15607326, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:07:00,893 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 05:07:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 37 states have (on average 1.5135135135135136) internal successors, (56), 49 states have internal predecessors, (56), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:07:00,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 05:07:00,909 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:00,910 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:00,910 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 05:07:00,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:00,916 INFO L85 PathProgramCache]: Analyzing trace with hash -465337544, now seen corresponding path program 1 times [2023-11-19 05:07:00,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:07:00,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083653705] [2023-11-19 05:07:00,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:00,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:07:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:01,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 05:07:01,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:07:01,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083653705] [2023-11-19 05:07:01,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083653705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:01,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:01,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:07:01,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902660951] [2023-11-19 05:07:01,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:01,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:07:01,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:07:01,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:07:01,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:01,406 INFO L87 Difference]: Start difference. First operand has 63 states, 37 states have (on average 1.5135135135135136) internal successors, (56), 49 states have internal predecessors, (56), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 05:07:01,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:01,503 INFO L93 Difference]: Finished difference Result 64 states and 85 transitions. [2023-11-19 05:07:01,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:07:01,506 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2023-11-19 05:07:01,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:01,517 INFO L225 Difference]: With dead ends: 64 [2023-11-19 05:07:01,518 INFO L226 Difference]: Without dead ends: 54 [2023-11-19 05:07:01,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:01,525 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 11 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:01,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 117 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:07:01,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-19 05:07:01,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2023-11-19 05:07:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.393939393939394) internal successors, (46), 42 states have internal predecessors, (46), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:07:01,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2023-11-19 05:07:01,574 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 20 [2023-11-19 05:07:01,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:01,575 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2023-11-19 05:07:01,576 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 05:07:01,576 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2023-11-19 05:07:01,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 05:07:01,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:01,580 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] [2023-11-19 05:07:01,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:07:01,580 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 05:07:01,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:01,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1540561870, now seen corresponding path program 1 times [2023-11-19 05:07:01,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:07:01,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126108861] [2023-11-19 05:07:01,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:01,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:07:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:01,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 05:07:01,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:07:01,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126108861] [2023-11-19 05:07:01,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126108861] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:01,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:01,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:07:01,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151289395] [2023-11-19 05:07:01,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:01,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:07:01,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:07:01,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:07:01,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:01,785 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 05:07:01,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:01,877 INFO L93 Difference]: Finished difference Result 85 states and 107 transitions. [2023-11-19 05:07:01,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:07:01,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2023-11-19 05:07:01,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:01,881 INFO L225 Difference]: With dead ends: 85 [2023-11-19 05:07:01,881 INFO L226 Difference]: Without dead ends: 61 [2023-11-19 05:07:01,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:01,887 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 17 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:01,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 98 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:07:01,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-19 05:07:01,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2023-11-19 05:07:01,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 46 states have internal predecessors, (55), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 05:07:01,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 79 transitions. [2023-11-19 05:07:01,916 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 79 transitions. Word has length 21 [2023-11-19 05:07:01,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:01,917 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 79 transitions. [2023-11-19 05:07:01,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 05:07:01,918 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2023-11-19 05:07:01,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 05:07:01,921 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:01,921 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:01,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:07:01,922 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 05:07:01,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:01,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1941252680, now seen corresponding path program 1 times [2023-11-19 05:07:01,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:07:01,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848547996] [2023-11-19 05:07:01,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:01,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:07:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:02,026 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 05:07:02,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:07:02,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848547996] [2023-11-19 05:07:02,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848547996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:02,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:02,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:07:02,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107779984] [2023-11-19 05:07:02,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:02,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:07:02,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:07:02,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:07:02,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:02,030 INFO L87 Difference]: Start difference. First operand 60 states and 79 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-19 05:07:02,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:02,055 INFO L93 Difference]: Finished difference Result 60 states and 79 transitions. [2023-11-19 05:07:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:07:02,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 30 [2023-11-19 05:07:02,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:02,057 INFO L225 Difference]: With dead ends: 60 [2023-11-19 05:07:02,058 INFO L226 Difference]: Without dead ends: 58 [2023-11-19 05:07:02,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:02,059 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 8 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:02,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 101 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:07:02,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-19 05:07:02,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-19 05:07:02,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 44 states have internal predecessors, (53), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 05:07:02,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2023-11-19 05:07:02,069 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 77 transitions. Word has length 30 [2023-11-19 05:07:02,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:02,070 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 77 transitions. [2023-11-19 05:07:02,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-19 05:07:02,070 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2023-11-19 05:07:02,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 05:07:02,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:02,072 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:07:02,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:07:02,073 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-19 05:07:02,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:02,073 INFO L85 PathProgramCache]: Analyzing trace with hash -49290786, now seen corresponding path program 1 times [2023-11-19 05:07:02,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:07:02,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411683279] [2023-11-19 05:07:02,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:02,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:07:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 05:07:02,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:07:02,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411683279] [2023-11-19 05:07:02,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411683279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:02,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:02,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:07:02,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524677999] [2023-11-19 05:07:02,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:02,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:07:02,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:07:02,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:07:02,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:02,318 INFO L87 Difference]: Start difference. First operand 58 states and 77 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 05:07:02,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:02,352 INFO L93 Difference]: Finished difference Result 58 states and 77 transitions. [2023-11-19 05:07:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:07:02,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 31 [2023-11-19 05:07:02,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:02,353 INFO L225 Difference]: With dead ends: 58 [2023-11-19 05:07:02,354 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:07:02,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:07:02,356 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 3 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:02,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 101 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:07:02,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:07:02,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:07:02,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:07:02,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:07:02,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2023-11-19 05:07:02,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:02,360 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:07:02,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 05:07:02,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:07:02,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:07:02,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-19 05:07:02,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-19 05:07:02,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-19 05:07:02,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-19 05:07:02,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-19 05:07:02,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-19 05:07:02,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-19 05:07:02,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-19 05:07:02,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 05:07:02,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:07:02,423 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-19 05:07:02,423 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-19 05:07:02,425 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseEXIT(lines 1518 1521) no Hoare annotation was computed. [2023-11-19 05:07:02,425 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1518 1521) the Hoare annotation is: true [2023-11-19 05:07:02,426 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-19 05:07:02,426 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-19 05:07:02,427 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1601) no Hoare annotation was computed. [2023-11-19 05:07:02,427 INFO L899 garLoopResultBuilder]: For program point L1580(line 1580) no Hoare annotation was computed. [2023-11-19 05:07:02,427 INFO L899 garLoopResultBuilder]: For program point L1580-1(lines 1580 1609) no Hoare annotation was computed. [2023-11-19 05:07:02,427 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1635) no Hoare annotation was computed. [2023-11-19 05:07:02,428 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-19 05:07:02,428 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1608) no Hoare annotation was computed. [2023-11-19 05:07:02,428 INFO L899 garLoopResultBuilder]: For program point L1597-1(lines 1548 1610) no Hoare annotation was computed. [2023-11-19 05:07:02,429 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2023-11-19 05:07:02,429 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (<= 1 |ULTIMATE.start_goodB2G_~data~0#1|) [2023-11-19 05:07:02,430 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2023-11-19 05:07:02,430 INFO L899 garLoopResultBuilder]: For program point L1623(line 1623) no Hoare annotation was computed. [2023-11-19 05:07:02,430 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 1623 1638) no Hoare annotation was computed. [2023-11-19 05:07:02,430 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2023-11-19 05:07:02,430 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2023-11-19 05:07:02,431 INFO L902 garLoopResultBuilder]: At program point L1615(line 1615) the Hoare annotation is: true [2023-11-19 05:07:02,431 INFO L899 garLoopResultBuilder]: For program point L1582(lines 1582 1593) no Hoare annotation was computed. [2023-11-19 05:07:02,431 INFO L899 garLoopResultBuilder]: For program point L1615-1(line 1615) no Hoare annotation was computed. [2023-11-19 05:07:02,431 INFO L895 garLoopResultBuilder]: At program point L1615-4(lines 1615 1622) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~1#1| 2) [2023-11-19 05:07:02,432 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:07:02,432 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1607) no Hoare annotation was computed. [2023-11-19 05:07:02,432 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: (<= 1 |ULTIMATE.start_goodB2G_~data~0#1|) [2023-11-19 05:07:02,432 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1637) no Hoare annotation was computed. [2023-11-19 05:07:02,433 INFO L899 garLoopResultBuilder]: For program point L1633-2(lines 1611 1639) no Hoare annotation was computed. [2023-11-19 05:07:02,433 INFO L899 garLoopResultBuilder]: For program point L1625(lines 1625 1629) no Hoare annotation was computed. [2023-11-19 05:07:02,433 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2023-11-19 05:07:02,433 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2023-11-19 05:07:02,434 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1592) no Hoare annotation was computed. [2023-11-19 05:07:02,434 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G_~data~0#1| 1073741822) [2023-11-19 05:07:02,435 INFO L899 garLoopResultBuilder]: For program point L1576-1(lines 1570 1577) no Hoare annotation was computed. [2023-11-19 05:07:02,435 INFO L899 garLoopResultBuilder]: For program point L1601(line 1601) no Hoare annotation was computed. [2023-11-19 05:07:02,435 INFO L899 garLoopResultBuilder]: For program point L1601-1(line 1601) no Hoare annotation was computed. [2023-11-19 05:07:02,436 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1627) no Hoare annotation was computed. [2023-11-19 05:07:02,436 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G_~data~0#1| 1073741822) [2023-11-19 05:07:02,436 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2023-11-19 05:07:02,436 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1579) no Hoare annotation was computed. [2023-11-19 05:07:02,437 INFO L902 garLoopResultBuilder]: At program point L1552-4(lines 1552 1579) the Hoare annotation is: true [2023-11-19 05:07:02,437 INFO L899 garLoopResultBuilder]: For program point L1635(line 1635) no Hoare annotation was computed. [2023-11-19 05:07:02,438 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~data~0#1|) (<= |ULTIMATE.start_goodB2G_~data~0#1| 1073741822)) [2023-11-19 05:07:02,438 INFO L899 garLoopResultBuilder]: For program point L1635-1(line 1635) no Hoare annotation was computed. [2023-11-19 05:07:02,439 INFO L899 garLoopResultBuilder]: For program point L1602-1(line 1602) no Hoare annotation was computed. [2023-11-19 05:07:02,440 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:07:02,440 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1627) no Hoare annotation was computed. [2023-11-19 05:07:02,441 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2023-11-19 05:07:02,441 INFO L899 garLoopResultBuilder]: For program point L1627-1(line 1627) no Hoare annotation was computed. [2023-11-19 05:07:02,441 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2023-11-19 05:07:02,441 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-19 05:07:02,441 INFO L902 garLoopResultBuilder]: At program point L1636(line 1636) the Hoare annotation is: true [2023-11-19 05:07:02,442 INFO L899 garLoopResultBuilder]: For program point L1636-1(line 1636) no Hoare annotation was computed. [2023-11-19 05:07:02,442 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1577) no Hoare annotation was computed. [2023-11-19 05:07:02,442 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1601) no Hoare annotation was computed. [2023-11-19 05:07:02,442 INFO L902 garLoopResultBuilder]: At program point L1628(line 1628) the Hoare annotation is: true [2023-11-19 05:07:02,443 INFO L899 garLoopResultBuilder]: For program point L1628-1(line 1628) no Hoare annotation was computed. [2023-11-19 05:07:02,443 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G_~data~0#1| 1073741822) [2023-11-19 05:07:02,443 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2023-11-19 05:07:02,443 INFO L895 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~data~0#1|) (<= |ULTIMATE.start_goodB2G_~data~0#1| 1073741822)) [2023-11-19 05:07:02,443 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2023-11-19 05:07:02,444 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1635) no Hoare annotation was computed. [2023-11-19 05:07:02,448 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 05:07:02,450 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:07:02,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:07:02 BoogieIcfgContainer [2023-11-19 05:07:02,457 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:07:02,458 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:07:02,458 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:07:02,458 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:07:02,459 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:00" (3/4) ... [2023-11-19 05:07:02,461 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:07:02,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 05:07:02,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2023-11-19 05:07:02,466 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 05:07:02,473 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 05:07:02,474 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 05:07:02,474 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 05:07:02,475 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:07:02,475 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:07:02,595 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:07:02,595 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:07:02,596 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:07:02,596 INFO L158 Benchmark]: Toolchain (without parser) took 4643.27ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 99.8MB in the beginning and 132.2MB in the end (delta: -32.4MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-11-19 05:07:02,597 INFO L158 Benchmark]: CDTParser took 2.63ms. Allocated memory is still 123.7MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:07:02,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1818.94ms. Allocated memory is still 151.0MB. Free memory was 99.8MB in the beginning and 74.0MB in the end (delta: 25.8MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-19 05:07:02,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.23ms. Allocated memory is still 151.0MB. Free memory was 74.0MB in the beginning and 71.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:07:02,598 INFO L158 Benchmark]: Boogie Preprocessor took 49.36ms. Allocated memory is still 151.0MB. Free memory was 71.1MB in the beginning and 69.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:07:02,599 INFO L158 Benchmark]: RCFGBuilder took 819.89ms. Allocated memory is still 151.0MB. Free memory was 69.8MB in the beginning and 116.3MB in the end (delta: -46.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-11-19 05:07:02,599 INFO L158 Benchmark]: TraceAbstraction took 1708.00ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 115.6MB in the beginning and 138.5MB in the end (delta: -22.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-19 05:07:02,600 INFO L158 Benchmark]: Witness Printer took 138.24ms. Allocated memory is still 190.8MB. Free memory was 138.5MB in the beginning and 132.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:07:02,603 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.63ms. Allocated memory is still 123.7MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1818.94ms. Allocated memory is still 151.0MB. Free memory was 99.8MB in the beginning and 74.0MB in the end (delta: 25.8MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.23ms. Allocated memory is still 151.0MB. Free memory was 74.0MB in the beginning and 71.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.36ms. Allocated memory is still 151.0MB. Free memory was 71.1MB in the beginning and 69.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 819.89ms. Allocated memory is still 151.0MB. Free memory was 69.8MB in the beginning and 116.3MB in the end (delta: -46.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1708.00ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 115.6MB in the beginning and 138.5MB in the end (delta: -22.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Witness Printer took 138.24ms. Allocated memory is still 190.8MB. Free memory was 138.5MB in the beginning and 132.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 1601]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1601]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1635]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1635]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 63 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 417 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 181 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 236 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 33 PreInvPairs, 38 NumberOfFragments, 41 HoareAnnotationTreeSize, 33 FomulaSimplifications, 4 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 05:07:02,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97faa944-71f1-4a38-97b5-812037578648/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE