./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX --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 ce15b33d0209d4dc4c0d4bd0acac7881dc02f545d575b19f40846c1446ccb7b9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:50:37,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:50:37,336 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-12 00:50:37,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:50:37,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:50:37,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:50:37,369 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:50:37,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:50:37,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:50:37,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:50:37,372 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:50:37,373 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:50:37,374 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:50:37,374 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:50:37,375 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:50:37,376 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:50:37,376 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:50:37,377 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:50:37,378 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:50:37,378 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:50:37,379 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:50:37,380 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:50:37,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:50:37,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:50:37,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:50:37,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:50:37,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:50:37,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:50:37,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:50:37,385 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:50:37,385 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:50:37,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:50:37,386 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:50:37,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:50:37,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:50:37,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:37,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:50:37,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:50:37,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:50:37,389 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:50:37,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:50:37,390 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:50:37,390 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:50:37,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:50:37,391 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_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce15b33d0209d4dc4c0d4bd0acac7881dc02f545d575b19f40846c1446ccb7b9 [2023-11-12 00:50:37,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:50:37,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:50:37,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:50:37,673 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:50:37,673 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:50:37,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_51_bad.i [2023-11-12 00:50:40,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:50:41,144 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:50:41,146 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_51_bad.i [2023-11-12 00:50:41,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/data/a11e1f4e7/2d3bc1b8e7924f2d98f70998e30c2296/FLAG21985efbf [2023-11-12 00:50:41,202 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/data/a11e1f4e7/2d3bc1b8e7924f2d98f70998e30c2296 [2023-11-12 00:50:41,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:50:41,215 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:50:41,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:41,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:50:41,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:50:41,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:41" (1/1) ... [2023-11-12 00:50:41,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d71f49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:41, skipping insertion in model container [2023-11-12 00:50:41,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:41" (1/1) ... [2023-11-12 00:50:41,302 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:50:41,701 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:50:42,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:50:42,234 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:50:42,259 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:50:42,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:50:42,528 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:42,528 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:42,529 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:42,529 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:42,529 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:42,537 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:50:42,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:42 WrapperNode [2023-11-12 00:50:42,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:42,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:50:42,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:50:42,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:50:42,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:42" (1/1) ... [2023-11-12 00:50:42,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:42" (1/1) ... [2023-11-12 00:50:42,635 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 88 [2023-11-12 00:50:42,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:50:42,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:50:42,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:50:42,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:50:42,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:42" (1/1) ... [2023-11-12 00:50:42,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:42" (1/1) ... [2023-11-12 00:50:42,650 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:42" (1/1) ... [2023-11-12 00:50:42,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:42" (1/1) ... [2023-11-12 00:50:42,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:42" (1/1) ... [2023-11-12 00:50:42,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:42" (1/1) ... [2023-11-12 00:50:42,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:42" (1/1) ... [2023-11-12 00:50:42,688 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:42" (1/1) ... [2023-11-12 00:50:42,692 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:50:42,693 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:50:42,693 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:50:42,693 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:50:42,694 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:42" (1/1) ... [2023-11-12 00:50:42,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:42,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:50:42,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:50:42,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:50:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:50:42,781 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:50:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:50:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:50:42,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:50:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:50:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:50:42,942 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:50:42,944 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:50:43,205 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:50:43,524 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:50:43,524 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:50:43,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:50:43 BoogieIcfgContainer [2023-11-12 00:50:43,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:50:43,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:50:43,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:50:43,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:50:43,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:50:41" (1/3) ... [2023-11-12 00:50:43,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f29894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:50:43, skipping insertion in model container [2023-11-12 00:50:43,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:42" (2/3) ... [2023-11-12 00:50:43,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f29894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:50:43, skipping insertion in model container [2023-11-12 00:50:43,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:50:43" (3/3) ... [2023-11-12 00:50:43,542 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_51_bad.i [2023-11-12 00:50:43,562 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:50:43,563 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-12 00:50:43,614 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:50:43,622 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;@16986457, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:50:43,622 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-12 00:50:43,627 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) [2023-11-12 00:50:43,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:50:43,635 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:50:43,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 00:50:43,636 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-12 00:50:43,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:50:43,642 INFO L85 PathProgramCache]: Analyzing trace with hash -159544237, now seen corresponding path program 1 times [2023-11-12 00:50:43,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:50:43,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487812614] [2023-11-12 00:50:43,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:50:43,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:50:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:50:44,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:50:44,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:50:44,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487812614] [2023-11-12 00:50:44,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487812614] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:50:44,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:50:44,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:50:44,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800096631] [2023-11-12 00:50:44,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:50:44,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:50:44,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:50:44,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:50:44,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:50:44,358 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2023-11-12 00:50:44,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:50:44,413 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2023-11-12 00:50:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:50:44,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 [2023-11-12 00:50:44,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:50:44,423 INFO L225 Difference]: With dead ends: 12 [2023-11-12 00:50:44,423 INFO L226 Difference]: Without dead ends: 8 [2023-11-12 00:50:44,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:50:44,432 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:50:44,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:50:44,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2023-11-12 00:50:44,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2023-11-12 00:50:44,465 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) [2023-11-12 00:50:44,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2023-11-12 00:50:44,466 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2023-11-12 00:50:44,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:50:44,467 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2023-11-12 00:50:44,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2023-11-12 00:50:44,468 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2023-11-12 00:50:44,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:50:44,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:50:44,469 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:50:44,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:50:44,470 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-12 00:50:44,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:50:44,472 INFO L85 PathProgramCache]: Analyzing trace with hash -650903930, now seen corresponding path program 1 times [2023-11-12 00:50:44,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:50:44,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737719781] [2023-11-12 00:50:44,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:50:44,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:50:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:50:44,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:50:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:50:44,729 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:50:44,729 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:50:44,732 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-12 00:50:44,735 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-12 00:50:44,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:50:44,738 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 00:50:44,742 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:50:44,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:50:44 BoogieIcfgContainer [2023-11-12 00:50:44,776 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:50:44,777 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:50:44,777 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:50:44,778 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:50:44,778 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:50:43" (3/4) ... [2023-11-12 00:50:44,781 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:50:44,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:50:44,783 INFO L158 Benchmark]: Toolchain (without parser) took 3567.91ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 71.9MB in the beginning and 78.0MB in the end (delta: -6.1MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2023-11-12 00:50:44,783 INFO L158 Benchmark]: CDTParser took 1.24ms. Allocated memory is still 121.6MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:50:44,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1321.14ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 71.5MB in the beginning and 112.3MB in the end (delta: -40.8MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2023-11-12 00:50:44,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.02ms. Allocated memory is still 178.3MB. Free memory was 112.3MB in the beginning and 109.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:50:44,791 INFO L158 Benchmark]: Boogie Preprocessor took 55.03ms. Allocated memory is still 178.3MB. Free memory was 109.1MB in the beginning and 107.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:50:44,792 INFO L158 Benchmark]: RCFGBuilder took 835.79ms. Allocated memory is still 178.3MB. Free memory was 107.0MB in the beginning and 70.3MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-12 00:50:44,792 INFO L158 Benchmark]: TraceAbstraction took 1243.24ms. Allocated memory is still 178.3MB. Free memory was 69.3MB in the beginning and 78.0MB in the end (delta: -8.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:50:44,792 INFO L158 Benchmark]: Witness Printer took 5.39ms. Allocated memory is still 178.3MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:50:44,799 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24ms. Allocated memory is still 121.6MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1321.14ms. Allocated memory was 121.6MB in the beginning and 178.3MB in the end (delta: 56.6MB). Free memory was 71.5MB in the beginning and 112.3MB in the end (delta: -40.8MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.02ms. Allocated memory is still 178.3MB. Free memory was 112.3MB in the beginning and 109.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.03ms. Allocated memory is still 178.3MB. Free memory was 109.1MB in the beginning and 107.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 835.79ms. Allocated memory is still 178.3MB. Free memory was 107.0MB in the beginning and 70.3MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1243.24ms. Allocated memory is still 178.3MB. Free memory was 69.3MB in the beginning and 78.0MB in the end (delta: -8.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.39ms. Allocated memory is still 178.3MB. Free memory is still 78.0MB. There was no memory consumed. 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: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, argv={2147483650:2147483649}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_add_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_add_51b_badSink(data) [L1567] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2023-11-12 00:50:44,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/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_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX --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 ce15b33d0209d4dc4c0d4bd0acac7881dc02f545d575b19f40846c1446ccb7b9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:50:47,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:50:47,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-12 00:50:47,504 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:50:47,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:50:47,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:50:47,551 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:50:47,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:50:47,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:50:47,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:50:47,554 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:50:47,555 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:50:47,556 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:50:47,556 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:50:47,557 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:50:47,557 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:50:47,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:50:47,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:50:47,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:50:47,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:50:47,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:50:47,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:50:47,562 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:50:47,563 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:50:47,563 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:50:47,564 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:50:47,564 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:50:47,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:50:47,565 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:50:47,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:50:47,566 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:50:47,566 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:50:47,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:47,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:50:47,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:50:47,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:50:47,568 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:50:47,568 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:50:47,568 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:50:47,569 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:50:47,569 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:50:47,569 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_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce15b33d0209d4dc4c0d4bd0acac7881dc02f545d575b19f40846c1446ccb7b9 [2023-11-12 00:50:47,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:50:47,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:50:47,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:50:47,957 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:50:47,958 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:50:47,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_51_bad.i [2023-11-12 00:50:51,144 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:50:51,644 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:50:51,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_51_bad.i [2023-11-12 00:50:51,678 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/data/e2dd485df/dfdafb3e2bbe42e5991d041f8508d03c/FLAGdcd32fb9d [2023-11-12 00:50:51,699 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/data/e2dd485df/dfdafb3e2bbe42e5991d041f8508d03c [2023-11-12 00:50:51,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:50:51,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:50:51,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:51,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:50:51,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:50:51,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:51" (1/1) ... [2023-11-12 00:50:51,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5f42b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:51, skipping insertion in model container [2023-11-12 00:50:51,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:50:51" (1/1) ... [2023-11-12 00:50:51,799 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:50:52,306 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:50:52,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:50:52,895 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:50:52,955 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:50:53,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:50:53,235 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:53,235 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:53,235 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:53,235 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:53,236 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:50:53,243 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:50:53,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53 WrapperNode [2023-11-12 00:50:53,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:50:53,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:50:53,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:50:53,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:50:53,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,312 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2023-11-12 00:50:53,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:50:53,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:50:53,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:50:53,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:50:53,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:50:53,352 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:50:53,352 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:50:53,352 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:50:53,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (1/1) ... [2023-11-12 00:50:53,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:50:53,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:50:53,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:50:53,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:50:53,438 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:50:53,438 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:50:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:50:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:50:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:50:53,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:50:53,439 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:50:53,622 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:50:53,624 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:50:53,811 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:50:53,819 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:50:53,820 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:50:53,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:50:53 BoogieIcfgContainer [2023-11-12 00:50:53,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:50:53,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:50:53,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:50:53,830 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:50:53,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:50:51" (1/3) ... [2023-11-12 00:50:53,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3381cbfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:50:53, skipping insertion in model container [2023-11-12 00:50:53,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:50:53" (2/3) ... [2023-11-12 00:50:53,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3381cbfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:50:53, skipping insertion in model container [2023-11-12 00:50:53,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:50:53" (3/3) ... [2023-11-12 00:50:53,835 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_51_bad.i [2023-11-12 00:50:53,855 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:50:53,856 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-12 00:50:53,916 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:50:53,923 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;@6c3e7b3f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:50:53,925 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-12 00:50:53,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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) [2023-11-12 00:50:53,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:50:53,939 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:50:53,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:50:53,940 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-12 00:50:53,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:50:53,947 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2023-11-12 00:50:53,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:50:53,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650617608] [2023-11-12 00:50:53,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:50:53,985 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 [2023-11-12 00:50:53,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:50:53,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:50:54,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 00:50:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:50:54,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:50:54,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:50:54,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:50:54,154 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:50:54,155 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:50:54,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [650617608] [2023-11-12 00:50:54,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [650617608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:50:54,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:50:54,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-12 00:50:54,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745255781] [2023-11-12 00:50:54,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:50:54,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:50:54,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:50:54,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:50:54,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:50:54,214 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 00:50:54,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:50:54,234 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2023-11-12 00:50:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:50:54,236 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-12 00:50:54,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:50:54,243 INFO L225 Difference]: With dead ends: 22 [2023-11-12 00:50:54,244 INFO L226 Difference]: Without dead ends: 13 [2023-11-12 00:50:54,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:50:54,251 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:50:54,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:50:54,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-12 00:50:54,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-12 00:50:54,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 00:50:54,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2023-11-12 00:50:54,289 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2023-11-12 00:50:54,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:50:54,289 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2023-11-12 00:50:54,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 00:50:54,290 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-12 00:50:54,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:50:54,291 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:50:54,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:50:54,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/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)] Forceful destruction successful, exit code 0 [2023-11-12 00:50:54,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:50:54,516 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-12 00:50:54,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:50:54,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2023-11-12 00:50:54,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:50:54,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1362981781] [2023-11-12 00:50:54,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:50:54,520 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 [2023-11-12 00:50:54,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:50:54,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:50:54,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/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 (3)] Waiting until timeout for monitored process [2023-11-12 00:50:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:50:54,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:50:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:50:54,671 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-12 00:50:54,671 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:50:54,673 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-12 00:50:54,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-12 00:50:54,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/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 (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:50:54,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:50:54,879 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-12 00:50:54,883 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:50:54,902 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated [2023-11-12 00:50:54,903 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-12 00:50:54,903 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-12 00:50:54,903 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated [2023-11-12 00:50:54,903 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated [2023-11-12 00:50:54,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:50:54 BoogieIcfgContainer [2023-11-12 00:50:54,912 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:50:54,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:50:54,913 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:50:54,913 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:50:54,913 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:50:53" (3/4) ... [2023-11-12 00:50:54,914 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-12 00:50:54,923 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated [2023-11-12 00:50:54,923 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-12 00:50:54,923 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated [2023-11-12 00:50:54,924 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-12 00:50:54,924 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated [2023-11-12 00:50:54,980 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:50:54,981 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:50:54,981 INFO L158 Benchmark]: Toolchain (without parser) took 3272.17ms. Allocated memory is still 102.8MB. Free memory was 75.0MB in the beginning and 47.9MB in the end (delta: 27.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-11-12 00:50:54,988 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:50:54,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1531.34ms. Allocated memory is still 102.8MB. Free memory was 74.7MB in the beginning and 67.2MB in the end (delta: 7.6MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2023-11-12 00:50:54,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.03ms. Allocated memory is still 102.8MB. Free memory was 66.6MB in the beginning and 64.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:50:54,990 INFO L158 Benchmark]: Boogie Preprocessor took 37.67ms. Allocated memory is still 102.8MB. Free memory was 63.5MB in the beginning and 61.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:50:54,990 INFO L158 Benchmark]: RCFGBuilder took 470.74ms. Allocated memory is still 102.8MB. Free memory was 61.9MB in the beginning and 48.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:50:54,991 INFO L158 Benchmark]: TraceAbstraction took 1086.13ms. Allocated memory is still 102.8MB. Free memory was 48.3MB in the beginning and 50.5MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:50:54,991 INFO L158 Benchmark]: Witness Printer took 68.09ms. Allocated memory is still 102.8MB. Free memory was 50.5MB in the beginning and 47.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:50:55,000 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1531.34ms. Allocated memory is still 102.8MB. Free memory was 74.7MB in the beginning and 67.2MB in the end (delta: 7.6MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.03ms. Allocated memory is still 102.8MB. Free memory was 66.6MB in the beginning and 64.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.67ms. Allocated memory is still 102.8MB. Free memory was 63.5MB in the beginning and 61.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 470.74ms. Allocated memory is still 102.8MB. Free memory was 61.9MB in the beginning and 48.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1086.13ms. Allocated memory is still 102.8MB. Free memory was 48.3MB in the beginning and 50.5MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 68.09ms. Allocated memory is still 102.8MB. Free memory was 50.5MB in the beginning and 47.9MB in the end (delta: 2.6MB). 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~nondet101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet101 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:12}, argv={13:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_add_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_add_51b_badSink(data) [L1567] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, 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 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 1 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 proved your program to be incorrect! [2023-11-12 00:50:55,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b281ef-5f1d-4842-8a6b-d3639205042e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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)