./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_01_bad.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_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/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_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/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_f9206c73-2dea-4aa8-9295-f92670e193a0/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 88c4c4aad9bad1e1394be24cdd0636d4bd415e869a1d9111dae50b45937d171e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:59:02,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:59:02,662 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 04:59:02,672 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:59:02,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:59:02,712 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:59:02,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:59:02,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:59:02,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:59:02,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:59:02,721 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:59:02,722 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:59:02,723 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:59:02,725 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:59:02,725 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:59:02,726 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:59:02,726 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:59:02,727 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:59:02,727 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:59:02,728 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:59:02,728 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:59:02,729 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:59:02,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:59:02,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:59:02,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:59:02,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:59:02,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:59:02,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:59:02,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:59:02,734 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:59:02,735 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:59:02,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:59:02,736 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:59:02,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:59:02,737 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:59:02,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:02,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:59:02,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:59:02,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:59:02,738 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:59:02,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:59:02,739 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:59:02,739 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:59:02,740 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:59:02,740 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_f9206c73-2dea-4aa8-9295-f92670e193a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88c4c4aad9bad1e1394be24cdd0636d4bd415e869a1d9111dae50b45937d171e [2023-11-19 04:59:03,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:59:03,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:59:03,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:59:03,116 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:59:03,116 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:59:03,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_01_bad.i [2023-11-19 04:59:06,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:06,678 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:06,678 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_01_bad.i [2023-11-19 04:59:06,727 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/data/0b2768cf5/6fa47bcc769c418aba0c656e2228a094/FLAGdadff548b [2023-11-19 04:59:06,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/data/0b2768cf5/6fa47bcc769c418aba0c656e2228a094 [2023-11-19 04:59:06,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:06,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:06,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:06,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:06,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:06,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:06" (1/1) ... [2023-11-19 04:59:06,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2ea2df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:06, skipping insertion in model container [2023-11-19 04:59:06,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:06" (1/1) ... [2023-11-19 04:59:06,843 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:07,304 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:59:08,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:08,874 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:59:08,898 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:59:08,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:09,269 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:59:09,270 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:59:09,270 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:59:09,270 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:59:09,270 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:59:09,278 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:59:09,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:09 WrapperNode [2023-11-19 04:59:09,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:09,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:09,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:59:09,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:59:09,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:09" (1/1) ... [2023-11-19 04:59:09,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:09" (1/1) ... [2023-11-19 04:59:09,354 INFO L138 Inliner]: procedures = 937, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 86 [2023-11-19 04:59:09,355 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:09,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:59:09,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:59:09,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:59:09,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:09" (1/1) ... [2023-11-19 04:59:09,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:09" (1/1) ... [2023-11-19 04:59:09,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:09" (1/1) ... [2023-11-19 04:59:09,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:09" (1/1) ... [2023-11-19 04:59:09,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:09" (1/1) ... [2023-11-19 04:59:09,395 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:09" (1/1) ... [2023-11-19 04:59:09,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:09" (1/1) ... [2023-11-19 04:59:09,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:09" (1/1) ... [2023-11-19 04:59:09,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:59:09,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:59:09,413 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:59:09,413 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:59:09,414 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:09" (1/1) ... [2023-11-19 04:59:09,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:09,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:09,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:59:09,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:59:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:59:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:59:09,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:59:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:59:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:59:09,511 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:59:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:59:09,734 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:59:09,738 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:59:09,948 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:59:10,199 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:59:10,199 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:59:10,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:10 BoogieIcfgContainer [2023-11-19 04:59:10,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:59:10,207 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:59:10,207 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:59:10,211 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:59:10,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:59:06" (1/3) ... [2023-11-19 04:59:10,212 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b217b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:10, skipping insertion in model container [2023-11-19 04:59:10,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:09" (2/3) ... [2023-11-19 04:59:10,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b217b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:10, skipping insertion in model container [2023-11-19 04:59:10,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:10" (3/3) ... [2023-11-19 04:59:10,215 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_01_bad.i [2023-11-19 04:59:10,232 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:59:10,232 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 04:59:10,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:59:10,279 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;@6fe90aba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:59:10,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 04:59:10,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 04:59:10,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:59:10,290 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:10,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 04:59:10,292 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 04:59:10,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:10,297 INFO L85 PathProgramCache]: Analyzing trace with hash -218681387, now seen corresponding path program 1 times [2023-11-19 04:59:10,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:10,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138214637] [2023-11-19 04:59:10,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:10,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:10,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:59:10,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:10,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138214637] [2023-11-19 04:59:10,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138214637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:10,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:10,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 04:59:10,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336694287] [2023-11-19 04:59:10,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:10,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:59:10,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:10,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:59:10,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:59:10,580 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:59:10,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:10,616 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2023-11-19 04:59:10,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:59:10,619 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2023-11-19 04:59:10,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:10,625 INFO L225 Difference]: With dead ends: 12 [2023-11-19 04:59:10,625 INFO L226 Difference]: Without dead ends: 8 [2023-11-19 04:59:10,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:59:10,632 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:10,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:59:10,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-11-19 04:59:10,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-19 04:59:10,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:59:10,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2023-11-19 04:59:10,686 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2023-11-19 04:59:10,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:10,687 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2023-11-19 04:59:10,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 04:59:10,688 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-11-19 04:59:10,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:59:10,690 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:10,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:59:10,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:59:10,691 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 04:59:10,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:10,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1810811716, now seen corresponding path program 1 times [2023-11-19 04:59:10,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:10,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399523444] [2023-11-19 04:59:10,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:10,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:10,742 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:59:10,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [538843424] [2023-11-19 04:59:10,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:10,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:10,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:10,745 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:10,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:59:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:59:10,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:59:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:59:10,992 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:59:10,993 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:59:10,994 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-19 04:59:10,996 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-19 04:59:11,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:11,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:11,206 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 04:59:11,209 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:59:11,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:59:11 BoogieIcfgContainer [2023-11-19 04:59:11,240 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:59:11,241 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:59:11,241 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:59:11,241 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:59:11,242 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:10" (3/4) ... [2023-11-19 04:59:11,244 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:59:11,245 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:59:11,246 INFO L158 Benchmark]: Toolchain (without parser) took 4496.91ms. Allocated memory is still 180.4MB. Free memory was 128.9MB in the beginning and 121.7MB in the end (delta: 7.1MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-11-19 04:59:11,248 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 142.6MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:59:11,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2528.78ms. Allocated memory is still 180.4MB. Free memory was 128.9MB in the beginning and 132.6MB in the end (delta: -3.8MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2023-11-19 04:59:11,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.89ms. Allocated memory is still 180.4MB. Free memory was 132.6MB in the beginning and 128.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:59:11,255 INFO L158 Benchmark]: Boogie Preprocessor took 56.70ms. Allocated memory is still 180.4MB. Free memory was 128.4MB in the beginning and 127.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:11,257 INFO L158 Benchmark]: RCFGBuilder took 791.29ms. Allocated memory is still 180.4MB. Free memory was 127.4MB in the beginning and 89.7MB in the end (delta: 37.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 04:59:11,257 INFO L158 Benchmark]: TraceAbstraction took 1033.80ms. Allocated memory is still 180.4MB. Free memory was 88.6MB in the beginning and 122.8MB in the end (delta: -34.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:59:11,258 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 180.4MB. Free memory was 122.8MB in the beginning and 121.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:11,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27ms. Allocated memory is still 142.6MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2528.78ms. Allocated memory is still 180.4MB. Free memory was 128.9MB in the beginning and 132.6MB in the end (delta: -3.8MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.89ms. Allocated memory is still 180.4MB. Free memory was 132.6MB in the beginning and 128.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.70ms. Allocated memory is still 180.4MB. Free memory was 128.4MB in the beginning and 127.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 791.29ms. Allocated memory is still 180.4MB. Free memory was 127.4MB in the beginning and 89.7MB in the end (delta: 37.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1033.80ms. Allocated memory is still 180.4MB. Free memory was 88.6MB in the beginning and 122.8MB in the end (delta: -34.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 180.4MB. Free memory was 122.8MB in the beginning and 121.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 - UnprovableResult [Line: 1838]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1836. Possible 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); [L1845] 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) [L1845] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={14:12}, argv={14:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1846] CALL CWE190_Integer_Overflow__int_rand_square_01_bad() [L1834] int data; [L1835] data = 0 [L1836] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1836] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1836] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1836] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1836] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1838] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=268304387, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1838]: 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:59:11,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/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_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/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 88c4c4aad9bad1e1394be24cdd0636d4bd415e869a1d9111dae50b45937d171e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:59:14,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:59:14,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-19 04:59:14,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:59:14,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:59:14,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:59:14,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:59:14,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:59:14,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:59:14,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:59:14,451 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:59:14,452 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:59:14,453 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:59:14,455 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:59:14,455 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:59:14,456 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:59:14,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:59:14,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:59:14,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:59:14,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:59:14,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:59:14,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:59:14,462 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:59:14,462 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:59:14,463 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:59:14,463 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:59:14,464 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:59:14,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:59:14,465 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:59:14,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:59:14,467 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:59:14,467 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:59:14,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:14,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:59:14,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:59:14,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:59:14,470 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:59:14,470 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:59:14,470 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:59:14,472 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:59:14,472 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:59:14,472 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88c4c4aad9bad1e1394be24cdd0636d4bd415e869a1d9111dae50b45937d171e [2023-11-19 04:59:15,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:59:15,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:59:15,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:59:15,047 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:59:15,048 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:59:15,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_01_bad.i [2023-11-19 04:59:18,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:18,867 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:18,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_01_bad.i [2023-11-19 04:59:18,909 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/data/15ce84f1d/5560bd680262492dbdebecfaa71c4bad/FLAGaf01a6a27 [2023-11-19 04:59:18,926 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/data/15ce84f1d/5560bd680262492dbdebecfaa71c4bad [2023-11-19 04:59:18,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:18,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:18,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:18,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:18,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:18,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:18" (1/1) ... [2023-11-19 04:59:18,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cccb8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:18, skipping insertion in model container [2023-11-19 04:59:18,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:18" (1/1) ... [2023-11-19 04:59:19,055 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:19,626 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:59:20,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:20,930 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:59:20,953 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:59:21,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:21,643 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:59:21,644 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:59:21,644 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:59:21,644 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:59:21,644 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:59:21,653 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:59:21,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:21 WrapperNode [2023-11-19 04:59:21,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:21,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:21,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:59:21,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:59:21,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:21" (1/1) ... [2023-11-19 04:59:21,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:21" (1/1) ... [2023-11-19 04:59:21,735 INFO L138 Inliner]: procedures = 942, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-11-19 04:59:21,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:21,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:59:21,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:59:21,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:59:21,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:21" (1/1) ... [2023-11-19 04:59:21,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:21" (1/1) ... [2023-11-19 04:59:21,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:21" (1/1) ... [2023-11-19 04:59:21,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:21" (1/1) ... [2023-11-19 04:59:21,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:21" (1/1) ... [2023-11-19 04:59:21,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:21" (1/1) ... [2023-11-19 04:59:21,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:21" (1/1) ... [2023-11-19 04:59:21,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:21" (1/1) ... [2023-11-19 04:59:21,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:59:21,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:59:21,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:59:21,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:59:21,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:21" (1/1) ... [2023-11-19 04:59:21,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:21,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:21,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:59:21,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:59:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:59:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:59:21,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:59:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:59:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:59:21,874 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:59:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:59:22,051 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:59:22,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:59:26,096 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:59:26,107 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:59:26,108 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:59:26,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:26 BoogieIcfgContainer [2023-11-19 04:59:26,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:59:26,113 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:59:26,113 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:59:26,117 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:59:26,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:59:18" (1/3) ... [2023-11-19 04:59:26,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209f9d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:26, skipping insertion in model container [2023-11-19 04:59:26,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:21" (2/3) ... [2023-11-19 04:59:26,119 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209f9d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:26, skipping insertion in model container [2023-11-19 04:59:26,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:26" (3/3) ... [2023-11-19 04:59:26,123 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_01_bad.i [2023-11-19 04:59:26,149 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:59:26,150 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-19 04:59:26,214 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:59:26,221 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;@21343e3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:59:26,222 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-19 04:59:26,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 04:59:26,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:59:26,236 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:26,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:59:26,237 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-19 04:59:26,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:26,244 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2023-11-19 04:59:26,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:59:26,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083006697] [2023-11-19 04:59:26,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:26,260 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:59:26,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:59:26,266 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:59:26,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9206c73-2dea-4aa8-9295-f92670e193a0/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process