./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_03_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e95bd4323b002c38475fa947869c48bafbb035bbe08a5677b8b17cda2fe72a9f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:35,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:35,729 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 11:52:35,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:35,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:35,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:35,761 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:35,762 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:35,762 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:52:35,763 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:52:35,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:52:35,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:52:35,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:35,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:35,766 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:35,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:35,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:52:35,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:52:35,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:35,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:52:35,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:52:35,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:52:35,771 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:52:35,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:52:35,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:35,773 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:35,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:35,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:35,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:52:35,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:52:35,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:35,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:35,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:52:35,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:52:35,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:52:35,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:52:35,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:52:35,780 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:52:35,780 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:52:35,781 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:52:35,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:52:35,782 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e95bd4323b002c38475fa947869c48bafbb035bbe08a5677b8b17cda2fe72a9f [2023-11-26 11:52:36,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:36,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:36,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:36,136 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:36,137 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:36,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_03_bad.i [2023-11-26 11:52:39,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:52:39,880 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:52:39,881 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_03_bad.i [2023-11-26 11:52:39,910 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/data/8f5b98f83/d9628436e20545278b410d2c22778dc5/FLAG63bb76e92 [2023-11-26 11:52:39,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/data/8f5b98f83/d9628436e20545278b410d2c22778dc5 [2023-11-26 11:52:39,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:52:39,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:52:39,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:39,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:52:39,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:52:39,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:39" (1/1) ... [2023-11-26 11:52:39,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1795294f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:39, skipping insertion in model container [2023-11-26 11:52:39,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:39" (1/1) ... [2023-11-26 11:52:40,007 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:52:40,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:40,919 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:52:41,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:41,269 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:41,269 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:41,270 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:41,270 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:41,278 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:52:41,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41 WrapperNode [2023-11-26 11:52:41,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:41,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:41,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:52:41,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:52:41,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,365 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2023-11-26 11:52:41,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:41,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:52:41,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:52:41,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:52:41,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,385 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,400 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-26 11:52:41,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:52:41,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:52:41,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:52:41,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:52:41,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (1/1) ... [2023-11-26 11:52:41,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:41,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:41,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:41,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:52:41,502 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 11:52:41,502 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 11:52:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:52:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:52:41,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:52:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 11:52:41,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:52:41,661 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:52:41,663 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:52:41,889 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:52:41,940 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:52:41,947 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:52:41,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:41 BoogieIcfgContainer [2023-11-26 11:52:41,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:52:41,951 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:52:41,953 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:52:41,957 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:52:41,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:52:39" (1/3) ... [2023-11-26 11:52:41,959 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6707947a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:41, skipping insertion in model container [2023-11-26 11:52:41,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:41" (2/3) ... [2023-11-26 11:52:41,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6707947a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:41, skipping insertion in model container [2023-11-26 11:52:41,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:41" (3/3) ... [2023-11-26 11:52:41,963 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_03_bad.i [2023-11-26 11:52:41,983 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:52:41,984 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-26 11:52:42,042 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:52:42,048 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=PETRI_NET, 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;@3dbf3e55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:52:42,048 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-26 11:52:42,052 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 28 states have (on average 1.6428571428571428) internal successors, (46), 30 states have internal predecessors, (46), 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) [2023-11-26 11:52:42,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-26 11:52:42,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:42,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:42,060 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 11:52:42,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:42,066 INFO L85 PathProgramCache]: Analyzing trace with hash 866288328, now seen corresponding path program 1 times [2023-11-26 11:52:42,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:42,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923478459] [2023-11-26 11:52:42,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:42,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:42,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:52:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:42,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:42,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:42,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923478459] [2023-11-26 11:52:42,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923478459] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:42,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:42,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:42,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299372070] [2023-11-26 11:52:42,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:42,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:52:42,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:42,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:52:42,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:52:42,400 INFO L87 Difference]: Start difference. First operand has 34 states, 28 states have (on average 1.6428571428571428) internal successors, (46), 30 states have internal predecessors, (46), 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, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-26 11:52:42,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:42,442 INFO L93 Difference]: Finished difference Result 46 states and 63 transitions. [2023-11-26 11:52:42,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:52:42,445 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 9 [2023-11-26 11:52:42,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:42,454 INFO L225 Difference]: With dead ends: 46 [2023-11-26 11:52:42,454 INFO L226 Difference]: Without dead ends: 30 [2023-11-26 11:52:42,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:52:42,462 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:42,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:52:42,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-11-26 11:52:42,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-11-26 11:52:42,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 26 states have (on average 1.5769230769230769) internal successors, (41), 27 states have internal predecessors, (41), 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) [2023-11-26 11:52:42,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 43 transitions. [2023-11-26 11:52:42,505 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 43 transitions. Word has length 9 [2023-11-26 11:52:42,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:42,505 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 43 transitions. [2023-11-26 11:52:42,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-26 11:52:42,506 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-26 11:52:42,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-26 11:52:42,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:42,507 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:42,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:52:42,507 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 11:52:42,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:42,508 INFO L85 PathProgramCache]: Analyzing trace with hash 2030817321, now seen corresponding path program 1 times [2023-11-26 11:52:42,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:42,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517903971] [2023-11-26 11:52:42,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:42,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:42,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:52:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:42,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:42,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:42,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517903971] [2023-11-26 11:52:42,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517903971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:42,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:42,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:42,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372092304] [2023-11-26 11:52:42,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:42,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:42,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:42,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:42,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:42,784 INFO L87 Difference]: Start difference. First operand 30 states and 43 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (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) [2023-11-26 11:52:42,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:42,809 INFO L93 Difference]: Finished difference Result 30 states and 43 transitions. [2023-11-26 11:52:42,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:42,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (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 15 [2023-11-26 11:52:42,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:42,811 INFO L225 Difference]: With dead ends: 30 [2023-11-26 11:52:42,811 INFO L226 Difference]: Without dead ends: 29 [2023-11-26 11:52:42,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:42,813 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 33 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:42,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 45 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:52:42,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-26 11:52:42,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-26 11:52:42,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 26 states have internal predecessors, (40), 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) [2023-11-26 11:52:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 42 transitions. [2023-11-26 11:52:42,820 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 42 transitions. Word has length 15 [2023-11-26 11:52:42,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:42,820 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 42 transitions. [2023-11-26 11:52:42,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (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) [2023-11-26 11:52:42,821 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2023-11-26 11:52:42,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-26 11:52:42,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:42,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:42,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:52:42,827 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 11:52:42,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:42,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1469172360, now seen corresponding path program 1 times [2023-11-26 11:52:42,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:42,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079205950] [2023-11-26 11:52:42,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:42,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:42,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:42,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:42,957 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:52:42,960 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-26 11:52:42,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-26 11:52:42,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:52:42,975 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 11:52:42,979 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:52:43,000 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-11-26 11:52:43,003 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated [2023-11-26 11:52:43,003 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-26 11:52:43,003 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated [2023-11-26 11:52:43,004 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated [2023-11-26 11:52:43,004 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated [2023-11-26 11:52:43,004 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated [2023-11-26 11:52:43,004 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet103 could not be translated [2023-11-26 11:52:43,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated [2023-11-26 11:52:43,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated [2023-11-26 11:52:43,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-26 11:52:43,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated [2023-11-26 11:52:43,006 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated [2023-11-26 11:52:43,006 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated [2023-11-26 11:52:43,006 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet103 could not be translated [2023-11-26 11:52:43,006 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated [2023-11-26 11:52:43,006 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-26 11:52:43,007 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated [2023-11-26 11:52:43,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:52:43 BoogieIcfgContainer [2023-11-26 11:52:43,016 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:52:43,016 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:52:43,016 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:52:43,017 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:52:43,017 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:41" (3/4) ... [2023-11-26 11:52:43,019 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:52:43,020 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:52:43,021 INFO L158 Benchmark]: Toolchain (without parser) took 3085.10ms. Allocated memory is still 178.3MB. Free memory was 128.9MB in the beginning and 130.1MB in the end (delta: -1.2MB). Peak memory consumption was 247.8kB. Max. memory is 16.1GB. [2023-11-26 11:52:43,022 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:43,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1341.24ms. Allocated memory is still 178.3MB. Free memory was 128.9MB in the beginning and 121.2MB in the end (delta: 7.7MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2023-11-26 11:52:43,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.59ms. Allocated memory is still 178.3MB. Free memory was 121.2MB in the beginning and 118.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:43,024 INFO L158 Benchmark]: Boogie Preprocessor took 48.55ms. Allocated memory is still 178.3MB. Free memory was 118.2MB in the beginning and 115.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:43,024 INFO L158 Benchmark]: RCFGBuilder took 529.89ms. Allocated memory is still 178.3MB. Free memory was 115.7MB in the beginning and 99.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:52:43,025 INFO L158 Benchmark]: TraceAbstraction took 1064.91ms. Allocated memory is still 178.3MB. Free memory was 98.9MB in the beginning and 131.1MB in the end (delta: -32.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:43,025 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 178.3MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:43,028 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1341.24ms. Allocated memory is still 178.3MB. Free memory was 128.9MB in the beginning and 121.2MB in the end (delta: 7.7MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.59ms. Allocated memory is still 178.3MB. Free memory was 121.2MB in the beginning and 118.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.55ms. Allocated memory is still 178.3MB. Free memory was 118.2MB in the beginning and 115.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 529.89ms. Allocated memory is still 178.3MB. Free memory was 115.7MB in the beginning and 99.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1064.91ms. Allocated memory is still 178.3MB. Free memory was 98.9MB in the beginning and 131.1MB in the end (delta: -32.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 178.3MB. Free memory is still 130.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet111 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet101 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. 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); [L1567] 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) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE190_Integer_Overflow__int_rand_add_03_bad() [L1550] int data; [L1551] data = 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] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) 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] [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() 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] [L1554] 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] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data + 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] - UnprovableResult [Line: 1559]: 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, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 90 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 84 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 11:52:43,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e95bd4323b002c38475fa947869c48bafbb035bbe08a5677b8b17cda2fe72a9f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:45,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:45,800 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-26 11:52:45,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:45,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:45,808 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-26 11:52:45,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:45,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:45,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:45,839 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:52:45,839 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:52:45,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:52:45,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:52:45,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:45,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:45,842 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:45,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:45,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:52:45,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:45,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:52:45,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:52:45,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:52:45,845 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:52:45,846 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:52:45,846 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:52:45,847 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:52:45,847 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:52:45,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:45,848 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:45,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:45,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:45,849 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:52:45,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:52:45,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:45,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:45,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:52:45,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:52:45,850 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:52:45,851 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:52:45,851 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:52:45,851 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:52:45,852 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:52:45,852 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:52:45,852 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:52:45,852 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:52:45,853 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e95bd4323b002c38475fa947869c48bafbb035bbe08a5677b8b17cda2fe72a9f [2023-11-26 11:52:46,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:46,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:46,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:46,254 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:46,254 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:46,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_03_bad.i [2023-11-26 11:52:49,472 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:52:49,934 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:52:49,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_03_bad.i [2023-11-26 11:52:49,970 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/data/e8de679c1/c04a06276a7147bbbbbbab3d3909f47c/FLAGd22912fcd [2023-11-26 11:52:49,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/data/e8de679c1/c04a06276a7147bbbbbbab3d3909f47c [2023-11-26 11:52:49,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:52:49,998 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:52:49,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:49,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:52:50,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:52:50,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:49" (1/1) ... [2023-11-26 11:52:50,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc94094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:50, skipping insertion in model container [2023-11-26 11:52:50,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:49" (1/1) ... [2023-11-26 11:52:50,086 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:52:51,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:51,033 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:52:51,123 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:51,324 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:51,324 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:51,324 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:51,324 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:51,332 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:52:51,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51 WrapperNode [2023-11-26 11:52:51,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:51,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:51,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:52:51,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:52:51,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,404 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-11-26 11:52:51,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:51,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:52:51,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:52:51,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:52:51,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,441 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,455 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-26 11:52:51,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:52:51,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:52:51,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:52:51,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:52:51,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (1/1) ... [2023-11-26 11:52:51,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:51,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:51,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:51,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:52:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 11:52:51,603 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 11:52:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:52:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:52:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:52:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:52:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 11:52:51,814 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:52:51,817 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:52:51,952 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:52:51,988 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:52:51,988 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:52:51,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:51 BoogieIcfgContainer [2023-11-26 11:52:51,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:52:51,992 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:52:51,992 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:52:51,995 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:52:51,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:52:49" (1/3) ... [2023-11-26 11:52:51,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77078ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:51, skipping insertion in model container [2023-11-26 11:52:51,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:51" (2/3) ... [2023-11-26 11:52:51,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77078ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:51, skipping insertion in model container [2023-11-26 11:52:51,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:51" (3/3) ... [2023-11-26 11:52:51,998 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_03_bad.i [2023-11-26 11:52:52,018 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:52:52,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-26 11:52:52,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:52:52,067 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=PETRI_NET, 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;@1b3100f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:52:52,067 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-26 11:52:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 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) [2023-11-26 11:52:52,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-26 11:52:52,080 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:52,081 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:52,081 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 11:52:52,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:52,087 INFO L85 PathProgramCache]: Analyzing trace with hash 965093772, now seen corresponding path program 1 times [2023-11-26 11:52:52,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:52:52,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1188179201] [2023-11-26 11:52:52,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:52,101 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 [2023-11-26 11:52:52,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:52:52,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:52:52,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:52:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:52,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:52:52,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:52,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:52,275 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:52:52,276 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:52:52,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1188179201] [2023-11-26 11:52:52,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1188179201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:52,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:52,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:52:52,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728234546] [2023-11-26 11:52:52,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:52,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:52:52,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:52:52,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:52:52,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:52:52,314 INFO L87 Difference]: Start difference. First operand has 18 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 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 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-26 11:52:52,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:52,361 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2023-11-26 11:52:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:52:52,363 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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 9 [2023-11-26 11:52:52,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:52,368 INFO L225 Difference]: With dead ends: 29 [2023-11-26 11:52:52,369 INFO L226 Difference]: Without dead ends: 13 [2023-11-26 11:52:52,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:52:52,376 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:52,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:52:52,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-11-26 11:52:52,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-26 11:52:52,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 11:52:52,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2023-11-26 11:52:52,412 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 9 [2023-11-26 11:52:52,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:52,412 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2023-11-26 11:52:52,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-26 11:52:52,413 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-26 11:52:52,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-26 11:52:52,413 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:52,414 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:52,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:52:52,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:52:52,618 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 11:52:52,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:52,619 INFO L85 PathProgramCache]: Analyzing trace with hash 588894700, now seen corresponding path program 1 times [2023-11-26 11:52:52,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:52:52,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [559056718] [2023-11-26 11:52:52,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:52,620 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 [2023-11-26 11:52:52,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:52:52,623 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:52:52,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:52:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:52,757 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:52,840 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-26 11:52:52,840 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:52:52,842 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-26 11:52:52,844 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-26 11:52:52,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:53,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:52:53,051 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 11:52:53,055 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:52:53,071 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-11-26 11:52:53,075 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated [2023-11-26 11:52:53,076 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated [2023-11-26 11:52:53,076 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated [2023-11-26 11:52:53,076 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-26 11:52:53,076 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet97 could not be translated [2023-11-26 11:52:53,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:52:53 BoogieIcfgContainer [2023-11-26 11:52:53,092 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:52:53,093 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:52:53,093 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:52:53,094 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:52:53,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:51" (3/4) ... [2023-11-26 11:52:53,097 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:52:53,098 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:52:53,100 INFO L158 Benchmark]: Toolchain (without parser) took 3101.17ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 44.5MB in the beginning and 32.1MB in the end (delta: 12.4MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2023-11-26 11:52:53,102 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 75.5MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:53,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1333.79ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 44.3MB in the beginning and 40.0MB in the end (delta: 4.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-26 11:52:53,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.72ms. Allocated memory is still 100.7MB. Free memory was 40.0MB in the beginning and 36.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:52:53,104 INFO L158 Benchmark]: Boogie Preprocessor took 105.42ms. Allocated memory is still 100.7MB. Free memory was 36.5MB in the beginning and 33.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:53,105 INFO L158 Benchmark]: RCFGBuilder took 476.85ms. Allocated memory is still 100.7MB. Free memory was 33.7MB in the beginning and 62.8MB in the end (delta: -29.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-11-26 11:52:53,105 INFO L158 Benchmark]: TraceAbstraction took 1100.96ms. Allocated memory is still 100.7MB. Free memory was 61.4MB in the beginning and 32.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-26 11:52:53,107 INFO L158 Benchmark]: Witness Printer took 5.32ms. Allocated memory is still 100.7MB. Free memory is still 32.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:53,110 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 75.5MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1333.79ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 44.3MB in the beginning and 40.0MB in the end (delta: 4.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.72ms. Allocated memory is still 100.7MB. Free memory was 40.0MB in the beginning and 36.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.42ms. Allocated memory is still 100.7MB. Free memory was 36.5MB in the beginning and 33.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.85ms. Allocated memory is still 100.7MB. Free memory was 33.7MB in the beginning and 62.8MB in the end (delta: -29.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1100.96ms. Allocated memory is still 100.7MB. Free memory was 61.4MB in the beginning and 32.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 5.32ms. Allocated memory is still 100.7MB. Free memory is still 32.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet105 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet97 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. 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); [L1567] 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) [L1567] 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}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE190_Integer_Overflow__int_rand_add_03_bad() [L1550] int data; [L1551] data = 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] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] 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] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data + 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] - UnprovableResult [Line: 1559]: 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 16 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 39 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 11:52:53,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa7e5d5a-f197-4e27-b781-ef783433e672/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample