./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/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_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/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_4c2db382-10cf-491c-8cd9-c44a5e53df8d/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 ccc2e5fb56da4b22c595ab3545527b8788dbc1937fa69aa34bff85fe5a4a3d20 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:13:03,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:13:03,085 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-23 21:13:03,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:13:03,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:13:03,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:13:03,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:13:03,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:13:03,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:13:03,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:13:03,119 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:13:03,120 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:13:03,121 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:13:03,122 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:13:03,122 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:13:03,123 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:13:03,124 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:13:03,124 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:13:03,125 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:13:03,126 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:13:03,127 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:13:03,128 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:13:03,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:13:03,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:13:03,130 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:13:03,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:13:03,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:13:03,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:13:03,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:13:03,133 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:13:03,133 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:13:03,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:13:03,134 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:13:03,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:13:03,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:13:03,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:13:03,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:03,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:13:03,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:13:03,137 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:13:03,138 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:13:03,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:13:03,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:13:03,139 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:13:03,139 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:13:03,139 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:13:03,140 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_4c2db382-10cf-491c-8cd9-c44a5e53df8d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccc2e5fb56da4b22c595ab3545527b8788dbc1937fa69aa34bff85fe5a4a3d20 [2023-11-23 21:13:03,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:13:03,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:13:03,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:13:03,415 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:13:03,417 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:13:03,418 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_08_bad.i [2023-11-23 21:13:06,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:13:06,995 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:13:06,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_08_bad.i [2023-11-23 21:13:07,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire/data/b30141689/ad5fe260d3bd4bb890e4d40f273519ef/FLAGe57ec8927 [2023-11-23 21:13:07,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire/data/b30141689/ad5fe260d3bd4bb890e4d40f273519ef [2023-11-23 21:13:07,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:13:07,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:13:07,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:07,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:13:07,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:13:07,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:07" (1/1) ... [2023-11-23 21:13:07,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7831604c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:07, skipping insertion in model container [2023-11-23 21:13:07,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:07" (1/1) ... [2023-11-23 21:13:07,149 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:13:07,602 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:13:08,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:08,214 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:13:08,250 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 21:13:08,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:08,515 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:13:08,515 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:13:08,515 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:13:08,516 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:13:08,516 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:13:08,524 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:13:08,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:08 WrapperNode [2023-11-23 21:13:08,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:08,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:08,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:13:08,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:13:08,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:08" (1/1) ... [2023-11-23 21:13:08,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:08" (1/1) ... [2023-11-23 21:13:08,585 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-11-23 21:13:08,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:08,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:13:08,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:13:08,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:13:08,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:08" (1/1) ... [2023-11-23 21:13:08,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:08" (1/1) ... [2023-11-23 21:13:08,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:08" (1/1) ... [2023-11-23 21:13:08,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:08" (1/1) ... [2023-11-23 21:13:08,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:08" (1/1) ... [2023-11-23 21:13:08,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:08" (1/1) ... [2023-11-23 21:13:08,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:08" (1/1) ... [2023-11-23 21:13:08,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:08" (1/1) ... [2023-11-23 21:13:08,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:13:08,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:13:08,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:13:08,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:13:08,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:08" (1/1) ... [2023-11-23 21:13:08,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:08,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:08,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:13:08,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:13:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 21:13:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 21:13:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:13:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:13:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:13:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:13:08,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:13:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-23 21:13:08,706 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-23 21:13:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:13:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 21:13:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:13:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:13:08,864 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:13:08,865 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:13:09,004 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:13:09,075 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:13:09,076 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:13:09,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:09 BoogieIcfgContainer [2023-11-23 21:13:09,078 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:13:09,081 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:13:09,081 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:13:09,085 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:13:09,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:13:07" (1/3) ... [2023-11-23 21:13:09,086 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0e9c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:09, skipping insertion in model container [2023-11-23 21:13:09,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:08" (2/3) ... [2023-11-23 21:13:09,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0e9c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:09, skipping insertion in model container [2023-11-23 21:13:09,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:09" (3/3) ... [2023-11-23 21:13:09,089 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_08_bad.i [2023-11-23 21:13:09,111 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:13:09,112 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-23 21:13:09,161 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:13:09,169 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;@68fa3d2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:13:09,169 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-23 21:13:09,173 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 21:13:09,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 21:13:09,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:09,181 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:13:09,181 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-23 21:13:09,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:09,187 INFO L85 PathProgramCache]: Analyzing trace with hash 41361675, now seen corresponding path program 1 times [2023-11-23 21:13:09,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:13:09,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607528984] [2023-11-23 21:13:09,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:09,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:13:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:10,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:13:10,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:13:10,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607528984] [2023-11-23 21:13:10,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607528984] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:13:10,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67952422] [2023-11-23 21:13:10,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:10,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:13:10,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:10,116 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:13:10,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:13:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:10,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:13:10,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:13:10,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-23 21:13:10,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-23 21:13:10,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:13:10,544 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:13:10,747 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-23 21:13:10,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2023-11-23 21:13:10,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:13:10,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67952422] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:13:10,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1233428473] [2023-11-23 21:13:10,825 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2023-11-23 21:13:10,826 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:13:10,829 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:13:10,835 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:13:10,835 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:13:11,926 INFO L197 IcfgInterpreter]: Interpreting procedure staticReturnsTrue with input of size 132 for LOIs [2023-11-23 21:13:11,981 INFO L197 IcfgInterpreter]: Interpreting procedure printLine with input of size 52 for LOIs [2023-11-23 21:13:11,996 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:13:23,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1233428473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:23,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:13:23,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5, 6, 5] total 21 [2023-11-23 21:13:23,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812312231] [2023-11-23 21:13:23,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:23,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 21:13:23,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:13:23,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 21:13:23,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=370, Unknown=4, NotChecked=0, Total=462 [2023-11-23 21:13:23,459 INFO L87 Difference]: Start difference. First operand has 20 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 12 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 8 states have internal predecessors, (8), 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 21:13:26,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:13:39,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:13:42,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:13:42,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:42,591 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2023-11-23 21:13:42,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 21:13:42,594 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 8 states have internal predecessors, (8), 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 15 [2023-11-23 21:13:42,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:42,602 INFO L225 Difference]: With dead ends: 28 [2023-11-23 21:13:42,602 INFO L226 Difference]: Without dead ends: 15 [2023-11-23 21:13:42,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 20.3s TimeCoverageRelationStatistics Valid=118, Invalid=476, Unknown=6, NotChecked=0, Total=600 [2023-11-23 21:13:42,609 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:42,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 133 Invalid, 3 Unknown, 0 Unchecked, 10.4s Time] [2023-11-23 21:13:42,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-23 21:13:42,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-23 21:13:42,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 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 21:13:42,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-23 21:13:42,648 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 15 [2023-11-23 21:13:42,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:42,650 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-23 21:13:42,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 8 states have internal predecessors, (8), 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 21:13:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-23 21:13:42,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 21:13:42,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:42,653 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:13:42,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 21:13:42,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:13:42,869 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-23 21:13:42,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:42,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1282211984, now seen corresponding path program 1 times [2023-11-23 21:13:42,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:13:42,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975593325] [2023-11-23 21:13:42,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:42,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:13:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:13:42,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:13:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:13:42,957 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:13:42,958 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:13:42,959 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-23 21:13:42,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-23 21:13:42,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:13:42,967 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:13:42,973 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:13:43,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated [2023-11-23 21:13:43,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret101 could not be translated [2023-11-23 21:13:43,033 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-23 21:13:43,034 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-23 21:13:43,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:13:43 BoogieIcfgContainer [2023-11-23 21:13:43,064 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:13:43,065 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:13:43,065 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:13:43,065 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:13:43,067 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:09" (3/4) ... [2023-11-23 21:13:43,068 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 21:13:43,086 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated [2023-11-23 21:13:43,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret101 could not be translated [2023-11-23 21:13:43,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-23 21:13:43,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated [2023-11-23 21:13:43,159 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:13:43,160 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:13:43,162 INFO L158 Benchmark]: Toolchain (without parser) took 36101.07ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 116.5MB in the beginning and 119.4MB in the end (delta: -2.9MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2023-11-23 21:13:43,162 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:13:43,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1462.63ms. Allocated memory is still 151.0MB. Free memory was 116.5MB in the beginning and 108.6MB in the end (delta: 7.9MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2023-11-23 21:13:43,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.40ms. Allocated memory is still 151.0MB. Free memory was 108.6MB in the beginning and 105.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:13:43,170 INFO L158 Benchmark]: Boogie Preprocessor took 35.08ms. Allocated memory is still 151.0MB. Free memory was 105.8MB in the beginning and 104.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:13:43,171 INFO L158 Benchmark]: RCFGBuilder took 455.67ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 89.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:13:43,171 INFO L158 Benchmark]: TraceAbstraction took 33983.18ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 87.7MB in the beginning and 121.5MB in the end (delta: -33.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2023-11-23 21:13:43,172 INFO L158 Benchmark]: Witness Printer took 96.13ms. Allocated memory is still 199.2MB. Free memory was 121.5MB in the beginning and 119.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:13:43,176 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1462.63ms. Allocated memory is still 151.0MB. Free memory was 116.5MB in the beginning and 108.6MB in the end (delta: 7.9MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.40ms. Allocated memory is still 151.0MB. Free memory was 108.6MB in the beginning and 105.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.08ms. Allocated memory is still 151.0MB. Free memory was 105.8MB in the beginning and 104.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 455.67ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 89.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 33983.18ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 87.7MB in the beginning and 121.5MB in the end (delta: -33.8MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Witness Printer took 96.13ms. Allocated memory is still 199.2MB. Free memory was 121.5MB in the beginning and 119.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem102 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 1567]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483648, argc=2147483648, argv={2147483651:2147483650}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE190_Integer_Overflow__int_fscanf_preinc_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 33.8s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 10.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 9.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 5 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 20.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 42 ConstructedInterpolants, 2 QuantifiedInterpolants, 157 SizeOfPredicates, 12 NumberOfNonLiveVariables, 115 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 3/6 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: 1.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 14, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 10, TOOLS_POST_TIME: 0.3s, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME: 0.3s, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 25, TOOLS_QUANTIFIERELIM_TIME: 0.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 40, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 7, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 14, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 2, 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: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 130, DAG_COMPRESSION_RETAINED_NODES: 43, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-23 21:13:43,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2db382-10cf-491c-8cd9-c44a5e53df8d/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)