./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_17_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70b36de4d187df5587cca00c0da7ca407995b4da79908317ee0e2cfe6dfd9c58 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:02:44,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:02:44,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 05:02:44,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:02:44,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:02:44,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:02:44,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:02:44,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:02:44,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:02:44,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:02:44,572 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:02:44,572 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:02:44,573 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:02:44,573 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:02:44,574 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:02:44,574 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:02:44,575 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:02:44,575 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:02:44,576 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:02:44,576 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:02:44,577 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:02:44,578 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:02:44,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:02:44,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:02:44,579 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:02:44,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:02:44,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:02:44,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:02:44,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:02:44,581 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:02:44,582 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:02:44,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:02:44,582 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:02:44,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:02:44,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:02:44,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:44,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:02:44,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:02:44,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:02:44,584 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:02:44,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:02:44,585 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:02:44,585 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:02:44,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:02:44,586 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_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70b36de4d187df5587cca00c0da7ca407995b4da79908317ee0e2cfe6dfd9c58 [2023-11-19 05:02:44,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:02:44,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:02:44,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:02:44,852 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:02:44,852 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:02:44,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_17_bad.i [2023-11-19 05:02:48,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:02:48,451 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:02:48,452 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_17_bad.i [2023-11-19 05:02:48,480 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/data/3ccc2510d/303538c461284c518ba104e40b7a018d/FLAG3180c9e49 [2023-11-19 05:02:48,494 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/data/3ccc2510d/303538c461284c518ba104e40b7a018d [2023-11-19 05:02:48,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:02:48,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:02:48,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:48,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:02:48,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:02:48,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:02:48" (1/1) ... [2023-11-19 05:02:48,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15668e1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:48, skipping insertion in model container [2023-11-19 05:02:48,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:02:48" (1/1) ... [2023-11-19 05:02:48,611 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:02:49,004 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:02:49,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:49,672 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:02:49,693 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:02:49,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:02:49,999 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:02:49,999 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:02:49,999 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:02:50,000 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:02:50,000 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:02:50,008 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:02:50,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:50 WrapperNode [2023-11-19 05:02:50,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:02:50,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:02:50,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:02:50,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:02:50,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:50" (1/1) ... [2023-11-19 05:02:50,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:50" (1/1) ... [2023-11-19 05:02:50,083 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 111 [2023-11-19 05:02:50,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:02:50,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:02:50,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:02:50,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:02:50,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:50" (1/1) ... [2023-11-19 05:02:50,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:50" (1/1) ... [2023-11-19 05:02:50,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:50" (1/1) ... [2023-11-19 05:02:50,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:50" (1/1) ... [2023-11-19 05:02:50,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:50" (1/1) ... [2023-11-19 05:02:50,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:50" (1/1) ... [2023-11-19 05:02:50,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:50" (1/1) ... [2023-11-19 05:02:50,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:50" (1/1) ... [2023-11-19 05:02:50,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:02:50,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:02:50,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:02:50,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:02:50,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:50" (1/1) ... [2023-11-19 05:02:50,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:50,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:02:50,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:02:50,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:02:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 05:02:50,197 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 05:02:50,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:02:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:02:50,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:02:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 05:02:50,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:02:50,361 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:02:50,363 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:02:50,601 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:02:50,916 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:02:50,916 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:02:50,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:50 BoogieIcfgContainer [2023-11-19 05:02:50,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:02:50,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:02:50,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:02:50,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:02:50,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:02:48" (1/3) ... [2023-11-19 05:02:50,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c9d4f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:50, skipping insertion in model container [2023-11-19 05:02:50,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:02:50" (2/3) ... [2023-11-19 05:02:50,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c9d4f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:02:50, skipping insertion in model container [2023-11-19 05:02:50,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:50" (3/3) ... [2023-11-19 05:02:50,930 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_17_bad.i [2023-11-19 05:02:50,950 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:02:50,950 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-19 05:02:51,001 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:02:51,007 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;@97f3d9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:02:51,008 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-19 05:02:51,011 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 12 states have (on average 1.6666666666666667) 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) [2023-11-19 05:02:51,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 05:02:51,017 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:51,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:02:51,017 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 05:02:51,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:51,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1369044277, now seen corresponding path program 1 times [2023-11-19 05:02:51,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:51,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334772850] [2023-11-19 05:02:51,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:51,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:51,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:02:51,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:51,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334772850] [2023-11-19 05:02:51,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334772850] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:51,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:51,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:02:51,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196528000] [2023-11-19 05:02:51,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:51,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:02:51,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:51,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:02:51,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:02:51,727 INFO L87 Difference]: Start difference. First operand has 22 states, 12 states have (on average 1.6666666666666667) 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 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:02:51,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:51,814 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2023-11-19 05:02:51,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:02:51,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) Word has length 7 [2023-11-19 05:02:51,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:51,824 INFO L225 Difference]: With dead ends: 41 [2023-11-19 05:02:51,824 INFO L226 Difference]: Without dead ends: 22 [2023-11-19 05:02:51,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:02:51,830 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:51,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 42 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:02:51,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-11-19 05:02:51,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-19 05:02:51,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.5) internal successors, (21), 19 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:02:51,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2023-11-19 05:02:51,868 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 7 [2023-11-19 05:02:51,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:51,869 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2023-11-19 05:02:51,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:02:51,869 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2023-11-19 05:02:51,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 05:02:51,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:51,870 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:02:51,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:02:51,871 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 05:02:51,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:51,872 INFO L85 PathProgramCache]: Analyzing trace with hash -188480699, now seen corresponding path program 1 times [2023-11-19 05:02:51,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:51,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032169203] [2023-11-19 05:02:51,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:51,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:52,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:02:52,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:52,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032169203] [2023-11-19 05:02:52,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032169203] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:02:52,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117032686] [2023-11-19 05:02:52,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:52,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:02:52,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:02:52,295 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:02:52,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:02:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:52,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:02:52,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:02:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:02:52,521 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:02:52,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117032686] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:52,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:02:52,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-19 05:02:52,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225218698] [2023-11-19 05:02:52,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:52,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:02:52,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:52,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:02:52,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:02:52,534 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:02:52,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:52,609 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2023-11-19 05:02:52,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:02:52,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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 10 [2023-11-19 05:02:52,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:52,610 INFO L225 Difference]: With dead ends: 32 [2023-11-19 05:02:52,611 INFO L226 Difference]: Without dead ends: 18 [2023-11-19 05:02:52,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:02:52,615 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 12 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:52,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 25 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:02:52,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-11-19 05:02:52,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-11-19 05:02:52,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 15 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:02:52,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2023-11-19 05:02:52,625 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 10 [2023-11-19 05:02:52,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:52,626 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2023-11-19 05:02:52,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:02:52,626 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2023-11-19 05:02:52,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 05:02:52,627 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:52,627 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:02:52,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:02:52,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-19 05:02:52,828 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 05:02:52,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:52,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1547951092, now seen corresponding path program 1 times [2023-11-19 05:02:52,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:52,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467843988] [2023-11-19 05:02:52,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:52,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:02:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:02:52,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:02:52,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467843988] [2023-11-19 05:02:52,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467843988] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:02:52,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:02:52,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:02:52,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503469992] [2023-11-19 05:02:52,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:02:52,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:02:52,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:02:52,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:02:52,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:02:52,974 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2023-11-19 05:02:53,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:02:53,012 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2023-11-19 05:02:53,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:02:53,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 [2023-11-19 05:02:53,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:02:53,014 INFO L225 Difference]: With dead ends: 18 [2023-11-19 05:02:53,015 INFO L226 Difference]: Without dead ends: 17 [2023-11-19 05:02:53,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:02:53,017 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 9 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:02:53,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 19 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:02:53,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-11-19 05:02:53,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-11-19 05:02:53,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:02:53,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2023-11-19 05:02:53,027 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 11 [2023-11-19 05:02:53,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:02:53,027 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2023-11-19 05:02:53,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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) [2023-11-19 05:02:53,028 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2023-11-19 05:02:53,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 05:02:53,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:02:53,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:02:53,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:02:53,060 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 05:02:53,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:02:53,060 INFO L85 PathProgramCache]: Analyzing trace with hash -741843449, now seen corresponding path program 1 times [2023-11-19 05:02:53,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:02:53,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130883262] [2023-11-19 05:02:53,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:02:53,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:02:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:02:53,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:02:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:02:53,248 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:02:53,248 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:02:53,249 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-11-19 05:02:53,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-11-19 05:02:53,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-11-19 05:02:53,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-11-19 05:02:53,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-11-19 05:02:53,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-11-19 05:02:53,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 05:02:53,260 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 05:02:53,264 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:02:53,302 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post112 could not be translated [2023-11-19 05:02:53,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:02:53 BoogieIcfgContainer [2023-11-19 05:02:53,320 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:02:53,321 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:02:53,321 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:02:53,321 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:02:53,322 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:02:50" (3/4) ... [2023-11-19 05:02:53,324 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:02:53,325 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:02:53,326 INFO L158 Benchmark]: Toolchain (without parser) took 4827.42ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 86.3MB in the beginning and 92.0MB in the end (delta: -5.7MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2023-11-19 05:02:53,327 INFO L158 Benchmark]: CDTParser took 1.59ms. Allocated memory is still 127.9MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:02:53,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1508.52ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 86.3MB in the beginning and 104.1MB in the end (delta: -17.8MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2023-11-19 05:02:53,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.62ms. Allocated memory is still 169.9MB. Free memory was 104.1MB in the beginning and 101.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:02:53,328 INFO L158 Benchmark]: Boogie Preprocessor took 48.23ms. Allocated memory is still 169.9MB. Free memory was 101.0MB in the beginning and 99.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:02:53,328 INFO L158 Benchmark]: RCFGBuilder took 788.32ms. Allocated memory is still 169.9MB. Free memory was 99.0MB in the beginning and 120.0MB in the end (delta: -21.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 05:02:53,329 INFO L158 Benchmark]: TraceAbstraction took 2396.46ms. Allocated memory is still 169.9MB. Free memory was 119.0MB in the beginning and 93.1MB in the end (delta: 25.9MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-11-19 05:02:53,329 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 169.9MB. Free memory was 93.1MB in the beginning and 92.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:02:53,333 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.59ms. Allocated memory is still 127.9MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1508.52ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 86.3MB in the beginning and 104.1MB in the end (delta: -17.8MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.62ms. Allocated memory is still 169.9MB. Free memory was 104.1MB in the beginning and 101.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.23ms. Allocated memory is still 169.9MB. Free memory was 101.0MB in the beginning and 99.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 788.32ms. Allocated memory is still 169.9MB. Free memory was 99.0MB in the beginning and 120.0MB in the end (delta: -21.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2396.46ms. Allocated memory is still 169.9MB. Free memory was 119.0MB in the beginning and 93.1MB in the end (delta: 25.9MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 169.9MB. Free memory was 93.1MB in the beginning and 92.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post112 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 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1555. 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); [L1569] 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) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=4294967297, argc=4294967297, argv={4294967299:4294967298}, argv={4294967299:4294967298}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_rand_postinc_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 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, i=0] [L1553] COND TRUE i < 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1557] COND TRUE j < 1 [L1560] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: 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, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 86 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 35 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 1 NumberOfNonLiveVariables, 88 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 4/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:02:53,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70b36de4d187df5587cca00c0da7ca407995b4da79908317ee0e2cfe6dfd9c58 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:02:56,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:02:56,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-19 05:02:56,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:02:56,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:02:56,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:02:56,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:02:56,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:02:56,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:02:56,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:02:56,149 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:02:56,150 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:02:56,151 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:02:56,151 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:02:56,152 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:02:56,153 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:02:56,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:02:56,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:02:56,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:02:56,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:02:56,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:02:56,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:02:56,157 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:02:56,158 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:02:56,158 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 05:02:56,158 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:02:56,159 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:02:56,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:02:56,160 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:02:56,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:02:56,161 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:02:56,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:02:56,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:02:56,162 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:02:56,162 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:02:56,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:02:56,163 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:02:56,163 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:02:56,164 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:02:56,164 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:02:56,164 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:02:56,165 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_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70b36de4d187df5587cca00c0da7ca407995b4da79908317ee0e2cfe6dfd9c58 [2023-11-19 05:02:56,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:02:56,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:02:56,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:02:56,608 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:02:56,608 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:02:56,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_17_bad.i [2023-11-19 05:02:59,740 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:03:00,276 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:03:00,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_17_bad.i [2023-11-19 05:03:00,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/data/9042a8814/5be9b11cab264ec3823419e1de0eb201/FLAGb36363748 [2023-11-19 05:03:00,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/data/9042a8814/5be9b11cab264ec3823419e1de0eb201 [2023-11-19 05:03:00,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:03:00,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:03:00,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:03:00,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:03:00,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:03:00,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:03:00" (1/1) ... [2023-11-19 05:03:00,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2c09a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:00, skipping insertion in model container [2023-11-19 05:03:00,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:03:00" (1/1) ... [2023-11-19 05:03:00,406 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:03:00,907 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:03:01,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:03:01,725 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:03:01,746 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 05:03:01,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:03:02,006 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:03:02,006 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:03:02,006 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:03:02,006 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:03:02,006 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:03:02,016 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:03:02,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:02 WrapperNode [2023-11-19 05:03:02,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:03:02,019 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:03:02,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:03:02,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:03:02,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:02" (1/1) ... [2023-11-19 05:03:02,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:02" (1/1) ... [2023-11-19 05:03:02,088 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2023-11-19 05:03:02,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:03:02,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:03:02,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:03:02,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:03:02,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:02" (1/1) ... [2023-11-19 05:03:02,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:02" (1/1) ... [2023-11-19 05:03:02,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:02" (1/1) ... [2023-11-19 05:03:02,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:02" (1/1) ... [2023-11-19 05:03:02,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:02" (1/1) ... [2023-11-19 05:03:02,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:02" (1/1) ... [2023-11-19 05:03:02,122 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:02" (1/1) ... [2023-11-19 05:03:02,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:02" (1/1) ... [2023-11-19 05:03:02,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:03:02,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:03:02,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:03:02,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:03:02,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:02" (1/1) ... [2023-11-19 05:03:02,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:03:02,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:03:02,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:03:02,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:03:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 05:03:02,207 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 05:03:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:03:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:03:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:03:02,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:03:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 05:03:02,368 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:03:02,370 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:03:02,625 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:03:02,632 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:03:02,639 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:03:02,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:03:02 BoogieIcfgContainer [2023-11-19 05:03:02,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:03:02,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:03:02,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:03:02,650 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:03:02,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:03:00" (1/3) ... [2023-11-19 05:03:02,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77adcd7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:03:02, skipping insertion in model container [2023-11-19 05:03:02,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:03:02" (2/3) ... [2023-11-19 05:03:02,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77adcd7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:03:02, skipping insertion in model container [2023-11-19 05:03:02,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:03:02" (3/3) ... [2023-11-19 05:03:02,656 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_17_bad.i [2023-11-19 05:03:02,676 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:03:02,677 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-19 05:03:02,736 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:03:02,743 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;@17468886, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:03:02,744 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-19 05:03:02,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 24 states have (on average 1.5) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 05:03:02,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 05:03:02,759 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:02,759 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:02,760 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 05:03:02,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:02,767 INFO L85 PathProgramCache]: Analyzing trace with hash 182604032, now seen corresponding path program 1 times [2023-11-19 05:03:02,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:03:02,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [662269824] [2023-11-19 05:03:02,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:02,785 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:02,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:03:02,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:03:02,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:03:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:02,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:03:02,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:03:02,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:03:02,949 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:03:02,950 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:03:02,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [662269824] [2023-11-19 05:03:02,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [662269824] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:03:02,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:03:02,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 05:03:02,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027266839] [2023-11-19 05:03:02,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:03:02,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:03:02,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:03:02,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:03:02,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:03:03,001 INFO L87 Difference]: Start difference. First operand has 34 states, 24 states have (on average 1.5) internal successors, (36), 30 states have internal predecessors, (36), 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 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:03:03,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:03,025 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2023-11-19 05:03:03,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:03:03,027 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 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 12 [2023-11-19 05:03:03,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:03,037 INFO L225 Difference]: With dead ends: 54 [2023-11-19 05:03:03,037 INFO L226 Difference]: Without dead ends: 25 [2023-11-19 05:03:03,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:03:03,049 INFO L413 NwaCegarLoop]: 35 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, 35 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 [2023-11-19 05:03:03,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:03:03,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-19 05:03:03,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-19 05:03:03,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.3) internal successors, (26), 22 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:03:03,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2023-11-19 05:03:03,092 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 12 [2023-11-19 05:03:03,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:03,093 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2023-11-19 05:03:03,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:03:03,094 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-19 05:03:03,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 05:03:03,096 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:03,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:03,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:03:03,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:03,300 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 05:03:03,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:03,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1365757775, now seen corresponding path program 1 times [2023-11-19 05:03:03,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:03:03,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [435743310] [2023-11-19 05:03:03,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:03,302 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:03,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:03:03,303 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:03:03,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:03:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:03,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:03:03,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:03:03,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:03:03,438 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:03:03,439 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:03:03,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [435743310] [2023-11-19 05:03:03,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [435743310] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:03:03,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:03:03,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:03:03,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042507265] [2023-11-19 05:03:03,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:03:03,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:03:03,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:03:03,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:03:03,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:03:03,449 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:03:03,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:03,477 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2023-11-19 05:03:03,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:03:03,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2023-11-19 05:03:03,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:03,479 INFO L225 Difference]: With dead ends: 42 [2023-11-19 05:03:03,480 INFO L226 Difference]: Without dead ends: 32 [2023-11-19 05:03:03,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:03:03,482 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 7 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:03,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 49 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:03:03,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-11-19 05:03:03,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2023-11-19 05:03:03,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:03:03,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2023-11-19 05:03:03,495 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 13 [2023-11-19 05:03:03,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:03,495 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2023-11-19 05:03:03,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:03:03,497 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-19 05:03:03,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 05:03:03,498 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:03,498 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:03,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-19 05:03:03,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:03,702 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 05:03:03,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:03,707 INFO L85 PathProgramCache]: Analyzing trace with hash -567406958, now seen corresponding path program 1 times [2023-11-19 05:03:03,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:03:03,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922132957] [2023-11-19 05:03:03,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:03,708 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:03,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:03:03,709 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:03:03,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:03:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:03:03,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:03:03,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:03:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:03:03,844 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:03:03,844 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:03:03,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [922132957] [2023-11-19 05:03:03,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [922132957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:03:03,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:03:03,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:03:03,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74493952] [2023-11-19 05:03:03,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:03:03,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:03:03,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:03:03,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:03:03,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:03:03,860 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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) [2023-11-19 05:03:03,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:03:03,905 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2023-11-19 05:03:03,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:03:03,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-11-19 05:03:03,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:03:03,906 INFO L225 Difference]: With dead ends: 32 [2023-11-19 05:03:03,907 INFO L226 Difference]: Without dead ends: 31 [2023-11-19 05:03:03,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:03:03,908 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 3 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:03:03,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 69 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:03:03,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-19 05:03:03,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-11-19 05:03:03,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 28 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:03:03,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2023-11-19 05:03:03,915 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 14 [2023-11-19 05:03:03,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:03:03,915 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2023-11-19 05:03:03,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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) [2023-11-19 05:03:03,916 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-19 05:03:03,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 05:03:03,917 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:03:03,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:03:03,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:03:04,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:04,120 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-19 05:03:04,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:03:04,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1370342168, now seen corresponding path program 1 times [2023-11-19 05:03:04,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:03:04,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816122296] [2023-11-19 05:03:04,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:03:04,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:04,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:03:04,128 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:03:04,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 05:03:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:03:04,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:03:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:03:04,305 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-19 05:03:04,307 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:03:04,311 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-11-19 05:03:04,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-11-19 05:03:04,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-11-19 05:03:04,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-11-19 05:03:04,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-11-19 05:03:04,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-11-19 05:03:04,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:03:04,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:03:04,521 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 05:03:04,525 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:03:04,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated [2023-11-19 05:03:04,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-19 05:03:04,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated [2023-11-19 05:03:04,555 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated [2023-11-19 05:03:04,555 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet97 could not be translated [2023-11-19 05:03:04,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post106 could not be translated [2023-11-19 05:03:04,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:03:04 BoogieIcfgContainer [2023-11-19 05:03:04,565 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:03:04,566 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:03:04,566 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:03:04,566 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:03:04,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:03:02" (3/4) ... [2023-11-19 05:03:04,567 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 05:03:04,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated [2023-11-19 05:03:04,588 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-19 05:03:04,589 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated [2023-11-19 05:03:04,589 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet97 could not be translated [2023-11-19 05:03:04,589 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated [2023-11-19 05:03:04,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post106 could not be translated [2023-11-19 05:03:04,636 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:03:04,637 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:03:04,637 INFO L158 Benchmark]: Toolchain (without parser) took 4311.28ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 89.8MB in the beginning and 105.5MB in the end (delta: -15.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-11-19 05:03:04,638 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 77.6MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:03:04,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1689.53ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 83.8MB in the end (delta: 5.7MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2023-11-19 05:03:04,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.20ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 80.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:03:04,639 INFO L158 Benchmark]: Boogie Preprocessor took 39.77ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 78.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:03:04,640 INFO L158 Benchmark]: RCFGBuilder took 512.75ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 64.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:03:04,640 INFO L158 Benchmark]: TraceAbstraction took 1918.56ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 63.7MB in the beginning and 108.7MB in the end (delta: -45.0MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-11-19 05:03:04,641 INFO L158 Benchmark]: Witness Printer took 71.09ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 105.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:03:04,644 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 77.6MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1689.53ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 83.8MB in the end (delta: 5.7MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.20ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 80.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.77ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 78.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.75ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 64.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1918.56ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 63.7MB in the beginning and 108.7MB in the end (delta: -45.0MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Witness Printer took 71.09ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 105.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post106 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post106 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: 1560]: 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] [L1569] 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) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_rand_postinc_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 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, i=0] [L1553] COND TRUE i < 1 [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] 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, i=0] [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1557] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1557] COND TRUE j < 1 [L1560] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1553]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1557]: 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, 34 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 153 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 68 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 85 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 1 NumberOfNonLiveVariables, 140 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! [2023-11-19 05:03:04,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8040119-0912-4e8a-90e7-49e656a7bce4/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)