./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_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_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya --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 ddfca8e8d0db87f9b0318b5df84bd222dd238aa408b001add906c2b60d8e43e6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:25:48,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:25:48,181 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 05:25:48,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:25:48,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:25:48,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:25:48,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:25:48,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:25:48,211 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:25:48,212 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:25:48,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:25:48,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:25:48,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:25:48,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:25:48,214 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:25:48,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:25:48,216 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:25:48,216 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:25:48,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:25:48,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:25:48,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:25:48,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:25:48,219 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 05:25:48,219 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:25:48,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:25:48,220 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:25:48,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:25:48,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:25:48,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:25:48,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:25:48,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:25:48,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:25:48,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:25:48,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:25:48,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:25:48,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:25:48,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:25:48,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:25:48,224 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:25:48,224 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:25:48,224 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:25:48,225 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_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfca8e8d0db87f9b0318b5df84bd222dd238aa408b001add906c2b60d8e43e6 [2023-11-29 05:25:48,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:25:48,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:25:48,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:25:48,480 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:25:48,480 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:25:48,481 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i [2023-11-29 05:25:51,272 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:25:51,559 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:25:51,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i [2023-11-29 05:25:51,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/data/21ce9ac50/0a187be656b04e7e946abd74fa623cca/FLAG6e836191d [2023-11-29 05:25:51,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/data/21ce9ac50/0a187be656b04e7e946abd74fa623cca [2023-11-29 05:25:51,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:25:51,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:25:51,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:25:51,596 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:25:51,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:25:51,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:25:51" (1/1) ... [2023-11-29 05:25:51,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5187eaab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:51, skipping insertion in model container [2023-11-29 05:25:51,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:25:51" (1/1) ... [2023-11-29 05:25:51,656 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:25:52,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:25:52,326 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:25:52,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:25:52,585 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:25:52,586 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:25:52,586 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:25:52,586 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:25:52,594 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:25:52,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:52 WrapperNode [2023-11-29 05:25:52,594 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:25:52,595 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:25:52,595 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:25:52,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:25:52,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:52" (1/1) ... [2023-11-29 05:25:52,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:52" (1/1) ... [2023-11-29 05:25:52,652 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2023-11-29 05:25:52,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:25:52,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:25:52,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:25:52,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:25:52,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:52" (1/1) ... [2023-11-29 05:25:52,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:52" (1/1) ... [2023-11-29 05:25:52,666 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:52" (1/1) ... [2023-11-29 05:25:52,681 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]. [2023-11-29 05:25:52,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:52" (1/1) ... [2023-11-29 05:25:52,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:52" (1/1) ... [2023-11-29 05:25:52,687 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:52" (1/1) ... [2023-11-29 05:25:52,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:52" (1/1) ... [2023-11-29 05:25:52,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:52" (1/1) ... [2023-11-29 05:25:52,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:52" (1/1) ... [2023-11-29 05:25:52,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:25:52,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:25:52,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:25:52,697 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:25:52,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:52" (1/1) ... [2023-11-29 05:25:52,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:25:52,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:25:52,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:25:52,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:25:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 05:25:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 05:25:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:25:52,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:25:52,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:25:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 05:25:52,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:25:52,906 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:25:52,908 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:25:53,087 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:25:53,113 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:25:53,114 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 05:25:53,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:25:53 BoogieIcfgContainer [2023-11-29 05:25:53,114 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:25:53,116 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:25:53,116 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:25:53,119 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:25:53,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:25:51" (1/3) ... [2023-11-29 05:25:53,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27de188c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:25:53, skipping insertion in model container [2023-11-29 05:25:53,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:52" (2/3) ... [2023-11-29 05:25:53,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27de188c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:25:53, skipping insertion in model container [2023-11-29 05:25:53,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:25:53" (3/3) ... [2023-11-29 05:25:53,122 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_03_bad.i [2023-11-29 05:25:53,136 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:25:53,137 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 05:25:53,176 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:25:53,181 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;@53423b7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:25:53,182 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 05:25:53,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 29 states have (on average 1.6551724137931034) internal successors, (48), 31 states have internal predecessors, (48), 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) [2023-11-29 05:25:53,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 05:25:53,192 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:53,192 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:53,193 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 05:25:53,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:53,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1951769759, now seen corresponding path program 1 times [2023-11-29 05:25:53,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:53,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334813609] [2023-11-29 05:25:53,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:53,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:53,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:25:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:53,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:25:53,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:53,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334813609] [2023-11-29 05:25:53,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334813609] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:53,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:53,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:25:53,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784937431] [2023-11-29 05:25:53,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:53,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:25:53,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:53,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:25:53,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:25:53,413 INFO L87 Difference]: Start difference. First operand has 35 states, 29 states have (on average 1.6551724137931034) internal successors, (48), 31 states have internal predecessors, (48), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 05:25:53,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:53,435 INFO L93 Difference]: Finished difference Result 48 states and 67 transitions. [2023-11-29 05:25:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:25:53,438 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-11-29 05:25:53,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:53,443 INFO L225 Difference]: With dead ends: 48 [2023-11-29 05:25:53,443 INFO L226 Difference]: Without dead ends: 31 [2023-11-29 05:25:53,446 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 [2023-11-29 05:25:53,449 INFO L413 NwaCegarLoop]: 47 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, 47 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 [2023-11-29 05:25:53,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:25:53,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-11-29 05:25:53,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-11-29 05:25:53,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 28 states have internal predecessors, (42), 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) [2023-11-29 05:25:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 44 transitions. [2023-11-29 05:25:53,478 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 44 transitions. Word has length 10 [2023-11-29 05:25:53,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:53,478 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 44 transitions. [2023-11-29 05:25:53,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 05:25:53,479 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-11-29 05:25:53,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 05:25:53,480 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:53,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:53,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:25:53,480 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 05:25:53,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:53,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1973807394, now seen corresponding path program 1 times [2023-11-29 05:25:53,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:53,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791667490] [2023-11-29 05:25:53,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:53,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:53,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 05:25:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:25:53,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:25:53,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:25:53,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791667490] [2023-11-29 05:25:53,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791667490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:25:53,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:25:53,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:25:53,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590922494] [2023-11-29 05:25:53,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:25:53,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:25:53,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:25:53,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:25:53,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:25:53,767 INFO L87 Difference]: Start difference. First operand 31 states and 44 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2023-11-29 05:25:53,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:25:53,863 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2023-11-29 05:25:53,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:25:53,863 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 16 [2023-11-29 05:25:53,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:25:53,864 INFO L225 Difference]: With dead ends: 39 [2023-11-29 05:25:53,864 INFO L226 Difference]: Without dead ends: 32 [2023-11-29 05:25:53,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:25:53,867 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 41 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:25:53,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 144 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:25:53,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-11-29 05:25:53,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2023-11-29 05:25:53,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 28 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) [2023-11-29 05:25:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2023-11-29 05:25:53,873 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 16 [2023-11-29 05:25:53,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:25:53,873 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2023-11-29 05:25:53,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2023-11-29 05:25:53,874 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2023-11-29 05:25:53,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 05:25:53,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:25:53,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:25:53,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:25:53,875 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 05:25:53,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:25:53,876 INFO L85 PathProgramCache]: Analyzing trace with hash -706814662, now seen corresponding path program 1 times [2023-11-29 05:25:53,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:25:53,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571664299] [2023-11-29 05:25:53,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:25:53,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:25:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:25:53,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:25:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:25:53,931 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:25:53,931 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:25:53,932 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 05:25:53,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 05:25:53,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:25:53,938 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 05:25:53,941 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:25:53,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-11-29 05:25:53,961 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet105 could not be translated [2023-11-29 05:25:53,961 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet104 could not be translated [2023-11-29 05:25:53,961 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet106 could not be translated [2023-11-29 05:25:53,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated [2023-11-29 05:25:53,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet106 could not be translated [2023-11-29 05:25:53,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet107 could not be translated [2023-11-29 05:25:53,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet104 could not be translated [2023-11-29 05:25:53,962 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet108 could not be translated [2023-11-29 05:25:53,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet105 could not be translated [2023-11-29 05:25:53,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated [2023-11-29 05:25:53,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet107 could not be translated [2023-11-29 05:25:53,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet104 could not be translated [2023-11-29 05:25:53,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet105 could not be translated [2023-11-29 05:25:53,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet108 could not be translated [2023-11-29 05:25:53,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet106 could not be translated [2023-11-29 05:25:53,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated [2023-11-29 05:25:53,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-11-29 05:25:53,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:25:53 BoogieIcfgContainer [2023-11-29 05:25:53,973 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:25:53,974 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:25:53,974 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:25:53,974 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:25:53,975 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:25:53" (3/4) ... [2023-11-29 05:25:53,977 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:25:53,978 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:25:53,979 INFO L158 Benchmark]: Toolchain (without parser) took 2383.80ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 88.0MB in the beginning and 104.2MB in the end (delta: -16.2MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2023-11-29 05:25:53,979 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 136.3MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:25:53,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 998.57ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 87.5MB in the beginning and 121.6MB in the end (delta: -34.1MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2023-11-29 05:25:53,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.30ms. Allocated memory is still 190.8MB. Free memory was 121.6MB in the beginning and 118.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:25:53,981 INFO L158 Benchmark]: Boogie Preprocessor took 42.75ms. Allocated memory is still 190.8MB. Free memory was 118.3MB in the beginning and 116.3MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:25:53,981 INFO L158 Benchmark]: RCFGBuilder took 417.98ms. Allocated memory is still 190.8MB. Free memory was 116.3MB in the beginning and 99.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 05:25:53,982 INFO L158 Benchmark]: TraceAbstraction took 857.30ms. Allocated memory is still 190.8MB. Free memory was 98.5MB in the beginning and 104.2MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:25:53,982 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 190.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:25:53,985 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 136.3MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 998.57ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 87.5MB in the beginning and 121.6MB in the end (delta: -34.1MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.30ms. Allocated memory is still 190.8MB. Free memory was 121.6MB in the beginning and 118.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.75ms. Allocated memory is still 190.8MB. Free memory was 118.3MB in the beginning and 116.3MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 417.98ms. Allocated memory is still 190.8MB. Free memory was 116.3MB in the beginning and 99.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 857.30ms. Allocated memory is still 190.8MB. Free memory was 98.5MB in the beginning and 104.2MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 190.8MB. Free memory is still 104.2MB. 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~nondet105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet107 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet104 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet105 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet108 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet106 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 The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=1073741825, argc=1073741825, argv={1073741827:1073741826}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_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)) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1560]: 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, 35 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 191 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 83 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 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 [2023-11-29 05:25:54,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/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_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya --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 ddfca8e8d0db87f9b0318b5df84bd222dd238aa408b001add906c2b60d8e43e6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:25:55,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:25:56,012 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-29 05:25:56,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:25:56,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:25:56,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-29 05:25:56,051 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:25:56,052 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:25:56,052 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:25:56,053 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:25:56,053 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:25:56,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:25:56,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:25:56,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:25:56,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:25:56,056 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:25:56,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:25:56,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:25:56,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:25:56,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:25:56,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:25:56,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:25:56,060 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 05:25:56,060 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 05:25:56,061 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 05:25:56,061 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 05:25:56,062 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:25:56,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:25:56,062 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:25:56,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:25:56,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:25:56,064 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:25:56,064 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:25:56,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:25:56,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:25:56,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:25:56,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:25:56,065 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 05:25:56,066 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 05:25:56,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:25:56,066 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:25:56,066 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:25:56,067 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:25:56,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:25:56,067 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 05:25:56,067 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_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddfca8e8d0db87f9b0318b5df84bd222dd238aa408b001add906c2b60d8e43e6 [2023-11-29 05:25:56,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:25:56,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:25:56,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:25:56,378 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:25:56,378 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:25:56,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i [2023-11-29 05:25:59,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:25:59,476 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:25:59,477 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_bad.i [2023-11-29 05:25:59,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/data/8e2a640ae/9f38cf7ea07b495fad4d7b03988202a8/FLAGfc817c65a [2023-11-29 05:25:59,517 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/data/8e2a640ae/9f38cf7ea07b495fad4d7b03988202a8 [2023-11-29 05:25:59,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:25:59,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:25:59,523 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:25:59,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:25:59,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:25:59,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:25:59" (1/1) ... [2023-11-29 05:25:59,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c7d7bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:25:59, skipping insertion in model container [2023-11-29 05:25:59,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:25:59" (1/1) ... [2023-11-29 05:25:59,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:26:00,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:26:00,370 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:26:00,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:26:00,608 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:26:00,608 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:26:00,608 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:26:00,608 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 05:26:00,616 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:26:00,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:00 WrapperNode [2023-11-29 05:26:00,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:26:00,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:26:00,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:26:00,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:26:00,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:00" (1/1) ... [2023-11-29 05:26:00,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:00" (1/1) ... [2023-11-29 05:26:00,677 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2023-11-29 05:26:00,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:26:00,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:26:00,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:26:00,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:26:00,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:00" (1/1) ... [2023-11-29 05:26:00,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:00" (1/1) ... [2023-11-29 05:26:00,693 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:00" (1/1) ... [2023-11-29 05:26:00,708 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]. [2023-11-29 05:26:00,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:00" (1/1) ... [2023-11-29 05:26:00,708 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:00" (1/1) ... [2023-11-29 05:26:00,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:00" (1/1) ... [2023-11-29 05:26:00,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:00" (1/1) ... [2023-11-29 05:26:00,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:00" (1/1) ... [2023-11-29 05:26:00,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:00" (1/1) ... [2023-11-29 05:26:00,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:26:00,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:26:00,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:26:00,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:26:00,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:00" (1/1) ... [2023-11-29 05:26:00,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:26:00,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:26:00,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:26:00,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:26:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 05:26:00,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 05:26:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 05:26:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:26:00,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:26:00,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:26:00,806 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 05:26:00,956 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:26:00,958 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:26:01,074 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:26:01,110 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:26:01,110 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 05:26:01,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:26:01 BoogieIcfgContainer [2023-11-29 05:26:01,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:26:01,113 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:26:01,113 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:26:01,116 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:26:01,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:25:59" (1/3) ... [2023-11-29 05:26:01,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aeebe80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:26:01, skipping insertion in model container [2023-11-29 05:26:01,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:26:00" (2/3) ... [2023-11-29 05:26:01,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aeebe80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:26:01, skipping insertion in model container [2023-11-29 05:26:01,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:26:01" (3/3) ... [2023-11-29 05:26:01,119 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_03_bad.i [2023-11-29 05:26:01,138 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:26:01,138 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 05:26:01,185 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:26:01,191 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;@66fdfa00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:26:01,192 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-29 05:26:01,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 15 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 05:26:01,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 05:26:01,203 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:01,204 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:01,205 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 05:26:01,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:01,210 INFO L85 PathProgramCache]: Analyzing trace with hash 719771159, now seen corresponding path program 1 times [2023-11-29 05:26:01,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:26:01,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119713733] [2023-11-29 05:26:01,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:01,223 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 [2023-11-29 05:26:01,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:26:01,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:26:01,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:26:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:26:01,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:26:01,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:26:01,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:26:01,385 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:26:01,386 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:26:01,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119713733] [2023-11-29 05:26:01,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1119713733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:26:01,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:26:01,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:26:01,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846128939] [2023-11-29 05:26:01,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:26:01,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:26:01,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:26:01,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:26:01,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:26:01,430 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 15 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 05:26:01,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:26:01,455 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2023-11-29 05:26:01,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:26:01,457 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-11-29 05:26:01,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:26:01,464 INFO L225 Difference]: With dead ends: 32 [2023-11-29 05:26:01,464 INFO L226 Difference]: Without dead ends: 15 [2023-11-29 05:26:01,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:26:01,471 INFO L413 NwaCegarLoop]: 19 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, 19 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 [2023-11-29 05:26:01,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:26:01,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-11-29 05:26:01,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-29 05:26:01,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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) [2023-11-29 05:26:01,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2023-11-29 05:26:01,506 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 10 [2023-11-29 05:26:01,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:26:01,506 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2023-11-29 05:26:01,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 05:26:01,507 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-11-29 05:26:01,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 05:26:01,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:26:01,507 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:26:01,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:26:01,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:26:01,709 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-29 05:26:01,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:26:01,710 INFO L85 PathProgramCache]: Analyzing trace with hash 201672274, now seen corresponding path program 1 times [2023-11-29 05:26:01,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:26:01,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694449523] [2023-11-29 05:26:01,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:26:01,711 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 [2023-11-29 05:26:01,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:26:01,712 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:26:01,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:26:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:26:01,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:26:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:26:01,852 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-29 05:26:01,852 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:26:01,854 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-29 05:26:01,856 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-29 05:26:01,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 05:26:02,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:26:02,062 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 05:26:02,064 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:26:02,080 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-11-29 05:26:02,083 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-11-29 05:26:02,083 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated [2023-11-29 05:26:02,083 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated [2023-11-29 05:26:02,083 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated [2023-11-29 05:26:02,084 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet97 could not be translated [2023-11-29 05:26:02,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:26:02 BoogieIcfgContainer [2023-11-29 05:26:02,092 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:26:02,093 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:26:02,093 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:26:02,093 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:26:02,093 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:26:01" (3/4) ... [2023-11-29 05:26:02,095 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:26:02,096 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:26:02,097 INFO L158 Benchmark]: Toolchain (without parser) took 2575.65ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 57.9MB in the beginning and 80.1MB in the end (delta: -22.2MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-11-29 05:26:02,098 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 60.8MB in the beginning and 60.7MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:26:02,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1094.02ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 57.7MB in the beginning and 91.2MB in the end (delta: -33.5MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2023-11-29 05:26:02,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.81ms. Allocated memory is still 123.7MB. Free memory was 91.2MB in the beginning and 88.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:26:02,099 INFO L158 Benchmark]: Boogie Preprocessor took 51.33ms. Allocated memory is still 123.7MB. Free memory was 88.5MB in the beginning and 85.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:26:02,100 INFO L158 Benchmark]: RCFGBuilder took 381.18ms. Allocated memory is still 123.7MB. Free memory was 85.7MB in the beginning and 70.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 05:26:02,100 INFO L158 Benchmark]: TraceAbstraction took 978.83ms. Allocated memory is still 123.7MB. Free memory was 69.6MB in the beginning and 80.1MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:26:02,100 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 123.7MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:26:02,103 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 60.8MB in the beginning and 60.7MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1094.02ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 57.7MB in the beginning and 91.2MB in the end (delta: -33.5MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.81ms. Allocated memory is still 123.7MB. Free memory was 91.2MB in the beginning and 88.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.33ms. Allocated memory is still 123.7MB. Free memory was 88.5MB in the beginning and 85.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 381.18ms. Allocated memory is still 123.7MB. Free memory was 85.7MB in the beginning and 70.3MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 978.83ms. Allocated memory is still 123.7MB. Free memory was 69.6MB in the beginning and 80.1MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 123.7MB. Free memory is still 80.1MB. 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~ite103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet96 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~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: 1560]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_multiply_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)) [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1560]: 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 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, 19 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 40 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 [2023-11-29 05:26:02,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b0cc1-8bac-447c-879a-004535209bae/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample