./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 80832b2e772f7e95f6e3dcb535e237b986e08e30ffdaa8700b04759158ab68ea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:33,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:33,546 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 11:52:33,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:33,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:33,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:33,604 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:33,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:33,606 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:52:33,611 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:52:33,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:52:33,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:52:33,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:33,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:33,616 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:33,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:33,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:52:33,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:52:33,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:33,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:52:33,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:52:33,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:52:33,619 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:52:33,620 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:52:33,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:33,621 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:33,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:33,622 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:33,622 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:52:33,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:52:33,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:33,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:33,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:52:33,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:52:33,625 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:52:33,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:52:33,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:52:33,626 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:52:33,626 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:52:33,627 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:52:33,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:52:33,627 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_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80832b2e772f7e95f6e3dcb535e237b986e08e30ffdaa8700b04759158ab68ea [2023-11-26 11:52:33,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:34,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:34,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:34,017 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:34,018 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:34,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_18_bad.i [2023-11-26 11:52:37,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:52:37,618 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:52:37,619 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_18_bad.i [2023-11-26 11:52:37,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/data/01398e171/f28a28c5812445469a5f9a3942fa9a1c/FLAG51bf605f7 [2023-11-26 11:52:37,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/data/01398e171/f28a28c5812445469a5f9a3942fa9a1c [2023-11-26 11:52:37,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:52:37,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:52:37,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:37,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:52:37,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:52:37,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:37" (1/1) ... [2023-11-26 11:52:37,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c5da32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:37, skipping insertion in model container [2023-11-26 11:52:37,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:37" (1/1) ... [2023-11-26 11:52:37,759 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:52:38,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:38,886 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:52:39,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:39,253 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:39,254 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:39,254 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:39,254 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:39,264 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:52:39,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:39 WrapperNode [2023-11-26 11:52:39,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:39,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:39,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:52:39,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:52:39,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:39" (1/1) ... [2023-11-26 11:52:39,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:39" (1/1) ... [2023-11-26 11:52:39,330 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-11-26 11:52:39,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:39,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:52:39,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:52:39,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:52:39,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:39" (1/1) ... [2023-11-26 11:52:39,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:39" (1/1) ... [2023-11-26 11:52:39,347 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:39" (1/1) ... [2023-11-26 11:52:39,379 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-26 11:52:39,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:39" (1/1) ... [2023-11-26 11:52:39,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:39" (1/1) ... [2023-11-26 11:52:39,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:39" (1/1) ... [2023-11-26 11:52:39,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:39" (1/1) ... [2023-11-26 11:52:39,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:39" (1/1) ... [2023-11-26 11:52:39,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:39" (1/1) ... [2023-11-26 11:52:39,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:52:39,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:52:39,413 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:52:39,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:52:39,414 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:39" (1/1) ... [2023-11-26 11:52:39,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:39,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:39,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:39,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:52:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 11:52:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 11:52:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:52:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:52:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:52:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 11:52:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:52:39,714 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:52:39,718 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:52:39,836 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:52:39,866 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:52:39,866 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:52:39,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:39 BoogieIcfgContainer [2023-11-26 11:52:39,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:52:39,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:52:39,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:52:39,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:52:39,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:52:37" (1/3) ... [2023-11-26 11:52:39,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c76cad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:39, skipping insertion in model container [2023-11-26 11:52:39,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:39" (2/3) ... [2023-11-26 11:52:39,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c76cad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:39, skipping insertion in model container [2023-11-26 11:52:39,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:39" (3/3) ... [2023-11-26 11:52:39,877 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_add_18_bad.i [2023-11-26 11:52:39,895 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:52:39,896 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-26 11:52:39,937 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:52:39,943 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;@1a0d909e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:52:39,943 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-26 11:52:39,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:52:39,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-26 11:52:39,953 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:39,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:39,954 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 11:52:39,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:39,959 INFO L85 PathProgramCache]: Analyzing trace with hash -158476221, now seen corresponding path program 1 times [2023-11-26 11:52:39,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:39,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845652336] [2023-11-26 11:52:39,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:39,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:40,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 11:52:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:40,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:40,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:40,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845652336] [2023-11-26 11:52:40,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845652336] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:40,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:40,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:40,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33172334] [2023-11-26 11:52:40,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:40,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:40,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:40,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:40,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:40,295 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 11:52:40,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:40,333 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2023-11-26 11:52:40,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:40,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 8 [2023-11-26 11:52:40,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:40,343 INFO L225 Difference]: With dead ends: 18 [2023-11-26 11:52:40,343 INFO L226 Difference]: Without dead ends: 10 [2023-11-26 11:52:40,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:40,349 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:40,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 12 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:52:40,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-26 11:52:40,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-26 11:52:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2023-11-26 11:52:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-26 11:52:40,383 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2023-11-26 11:52:40,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:40,384 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2023-11-26 11:52:40,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 11:52:40,384 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-26 11:52:40,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-26 11:52:40,385 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:40,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:40,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:52:40,386 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 11:52:40,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:40,387 INFO L85 PathProgramCache]: Analyzing trace with hash -617795506, now seen corresponding path program 1 times [2023-11-26 11:52:40,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:40,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828075235] [2023-11-26 11:52:40,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:40,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:40,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:40,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:40,449 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:52:40,451 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-26 11:52:40,452 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-26 11:52:40,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:52:40,457 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 11:52:40,460 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:52:40,475 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet99 [2023-11-26 11:52:40,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:52:40 BoogieIcfgContainer [2023-11-26 11:52:40,484 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:52:40,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:52:40,485 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:52:40,485 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:52:40,486 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:39" (3/4) ... [2023-11-26 11:52:40,488 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:52:40,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:52:40,490 INFO L158 Benchmark]: Toolchain (without parser) took 2824.82ms. Allocated memory is still 151.0MB. Free memory was 116.3MB in the beginning and 108.3MB in the end (delta: 7.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-11-26 11:52:40,490 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 134.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:40,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1597.06ms. Allocated memory is still 151.0MB. Free memory was 116.3MB in the beginning and 99.4MB in the end (delta: 16.9MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2023-11-26 11:52:40,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.96ms. Allocated memory is still 151.0MB. Free memory was 99.4MB in the beginning and 96.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:40,493 INFO L158 Benchmark]: Boogie Preprocessor took 81.74ms. Allocated memory is still 151.0MB. Free memory was 96.6MB in the beginning and 94.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:40,493 INFO L158 Benchmark]: RCFGBuilder took 454.07ms. Allocated memory is still 151.0MB. Free memory was 94.5MB in the beginning and 81.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:52:40,496 INFO L158 Benchmark]: TraceAbstraction took 614.04ms. Allocated memory is still 151.0MB. Free memory was 81.2MB in the beginning and 108.3MB in the end (delta: -27.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:40,497 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 151.0MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:40,500 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 134.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1597.06ms. Allocated memory is still 151.0MB. Free memory was 116.3MB in the beginning and 99.4MB in the end (delta: 16.9MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.96ms. Allocated memory is still 151.0MB. Free memory was 99.4MB in the beginning and 96.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.74ms. Allocated memory is still 151.0MB. Free memory was 96.6MB in the beginning and 94.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 454.07ms. Allocated memory is still 151.0MB. Free memory was 94.5MB in the beginning and 81.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 614.04ms. Allocated memory is still 151.0MB. Free memory was 81.2MB in the beginning and 108.3MB in the end (delta: -27.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 151.0MB. Free memory is still 108.3MB. 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~nondet99 - 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: 1558]: 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 1565. 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); [L1565] 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) [L1565] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE190_Integer_Overflow__int_max_add_18_bad() [L1550] int data; [L1551] data = 0 [L1554] data = 0x7fffffff VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1558]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 6 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 11:52:40,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 80832b2e772f7e95f6e3dcb535e237b986e08e30ffdaa8700b04759158ab68ea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:43,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:43,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2023-11-26 11:52:43,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:43,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:43,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-11-26 11:52:43,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:43,526 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:43,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:43,528 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:52:43,528 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:52:43,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:52:43,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:52:43,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:43,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:43,532 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:43,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:43,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:52:43,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:43,547 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:52:43,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:52:43,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:52:43,552 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:52:43,552 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:52:43,555 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 11:52:43,556 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:52:43,556 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:52:43,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:43,557 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:43,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:43,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:43,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:52:43,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:52:43,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:43,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:43,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:52:43,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:52:43,563 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:52:43,564 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:52:43,564 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:52:43,564 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:52:43,565 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:52:43,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:52:43,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:52:43,566 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:52:43,566 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_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80832b2e772f7e95f6e3dcb535e237b986e08e30ffdaa8700b04759158ab68ea [2023-11-26 11:52:44,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:44,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:44,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:44,047 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:44,049 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:44,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_18_bad.i [2023-11-26 11:52:47,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:52:47,965 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:52:47,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_18_bad.i [2023-11-26 11:52:47,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/data/e10fe1a67/5692e2be511d4fe1925d6b1b98cd21d7/FLAGa0b89951c [2023-11-26 11:52:48,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/data/e10fe1a67/5692e2be511d4fe1925d6b1b98cd21d7 [2023-11-26 11:52:48,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:52:48,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:52:48,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:48,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:52:48,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:52:48,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:48" (1/1) ... [2023-11-26 11:52:48,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c70d108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:48, skipping insertion in model container [2023-11-26 11:52:48,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:48" (1/1) ... [2023-11-26 11:52:48,145 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:52:49,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:49,282 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:52:49,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:49,644 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:49,644 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:49,644 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:49,644 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:49,653 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:52:49,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:49 WrapperNode [2023-11-26 11:52:49,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:49,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:49,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:52:49,656 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:52:49,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:49" (1/1) ... [2023-11-26 11:52:49,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:49" (1/1) ... [2023-11-26 11:52:49,746 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-11-26 11:52:49,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:49,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:52:49,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:52:49,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:52:49,762 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:49" (1/1) ... [2023-11-26 11:52:49,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:49" (1/1) ... [2023-11-26 11:52:49,767 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:49" (1/1) ... [2023-11-26 11:52:49,785 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-26 11:52:49,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:49" (1/1) ... [2023-11-26 11:52:49,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:49" (1/1) ... [2023-11-26 11:52:49,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:49" (1/1) ... [2023-11-26 11:52:49,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:49" (1/1) ... [2023-11-26 11:52:49,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:49" (1/1) ... [2023-11-26 11:52:49,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:49" (1/1) ... [2023-11-26 11:52:49,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:52:49,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:52:49,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:52:49,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:52:49,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:49" (1/1) ... [2023-11-26 11:52:49,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:49,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:49,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:49,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:52:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 11:52:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 11:52:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:52:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:52:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:52:49,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:52:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 11:52:50,132 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:52:50,135 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:52:50,302 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:52:50,390 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:52:50,391 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:52:50,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:50 BoogieIcfgContainer [2023-11-26 11:52:50,392 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:52:50,398 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:52:50,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:52:50,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:52:50,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:52:48" (1/3) ... [2023-11-26 11:52:50,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78560aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:50, skipping insertion in model container [2023-11-26 11:52:50,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:49" (2/3) ... [2023-11-26 11:52:50,407 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78560aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:50, skipping insertion in model container [2023-11-26 11:52:50,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:50" (3/3) ... [2023-11-26 11:52:50,409 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_add_18_bad.i [2023-11-26 11:52:50,432 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:52:50,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-26 11:52:50,504 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:52:50,512 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;@55b866e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:52:50,512 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-26 11:52:50,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-26 11:52:50,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-26 11:52:50,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:50,533 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:50,533 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 11:52:50,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:50,551 INFO L85 PathProgramCache]: Analyzing trace with hash -158476221, now seen corresponding path program 1 times [2023-11-26 11:52:50,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:52:50,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [698221377] [2023-11-26 11:52:50,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:50,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:52:50,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:52:50,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 11:52:50,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 11:52:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:50,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:52:50,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:50,800 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:52:50,801 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:52:50,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [698221377] [2023-11-26 11:52:50,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [698221377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:50,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:50,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:52:50,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287400086] [2023-11-26 11:52:50,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:50,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:52:50,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:52:50,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:52:50,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:52:50,862 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 11:52:50,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:50,903 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-11-26 11:52:50,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:52:50,906 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 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 8 [2023-11-26 11:52:50,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:50,915 INFO L225 Difference]: With dead ends: 14 [2023-11-26 11:52:50,915 INFO L226 Difference]: Without dead ends: 10 [2023-11-26 11:52:50,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:52:50,924 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:50,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:52:50,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2023-11-26 11:52:50,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-26 11:52:50,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2023-11-26 11:52:50,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-26 11:52:50,972 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2023-11-26 11:52:50,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:50,973 INFO L495 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2023-11-26 11:52:50,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 6.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 11:52:50,974 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-26 11:52:50,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-26 11:52:50,975 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:50,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:50,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:51,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:52:51,181 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2023-11-26 11:52:51,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:51,182 INFO L85 PathProgramCache]: Analyzing trace with hash -617795506, now seen corresponding path program 1 times [2023-11-26 11:52:51,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:52:51,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [180472572] [2023-11-26 11:52:51,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:51,184 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:52:51,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:52:51,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 11:52:51,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 11:52:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:51,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:51,357 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-26 11:52:51,358 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:52:51,360 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2023-11-26 11:52:51,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2023-11-26 11:52:51,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:51,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:52:51,570 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 11:52:51,574 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:52:51,591 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet97 [2023-11-26 11:52:51,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:52:51 BoogieIcfgContainer [2023-11-26 11:52:51,604 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:52:51,605 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:52:51,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:52:51,605 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:52:51,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:50" (3/4) ... [2023-11-26 11:52:51,609 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:52:51,610 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:52:51,612 INFO L158 Benchmark]: Toolchain (without parser) took 3589.34ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 41.2MB in the beginning and 41.4MB in the end (delta: -198.3kB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-11-26 11:52:51,612 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:51,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1630.73ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 41.0MB in the beginning and 61.5MB in the end (delta: -20.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-11-26 11:52:51,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.97ms. Allocated memory is still 98.6MB. Free memory was 61.5MB in the beginning and 58.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:52:51,625 INFO L158 Benchmark]: Boogie Preprocessor took 63.11ms. Allocated memory is still 98.6MB. Free memory was 58.3MB in the beginning and 55.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:51,626 INFO L158 Benchmark]: RCFGBuilder took 580.82ms. Allocated memory is still 98.6MB. Free memory was 55.8MB in the beginning and 69.6MB in the end (delta: -13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:52:51,627 INFO L158 Benchmark]: TraceAbstraction took 1206.15ms. Allocated memory is still 98.6MB. Free memory was 68.6MB in the beginning and 41.4MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-26 11:52:51,628 INFO L158 Benchmark]: Witness Printer took 5.58ms. Allocated memory is still 98.6MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:51,631 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1630.73ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 41.0MB in the beginning and 61.5MB in the end (delta: -20.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.97ms. Allocated memory is still 98.6MB. Free memory was 61.5MB in the beginning and 58.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.11ms. Allocated memory is still 98.6MB. Free memory was 58.3MB in the beginning and 55.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.82ms. Allocated memory is still 98.6MB. Free memory was 55.8MB in the beginning and 69.6MB in the end (delta: -13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1206.15ms. Allocated memory is still 98.6MB. Free memory was 68.6MB in the beginning and 41.4MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 5.58ms. Allocated memory is still 98.6MB. Free memory is still 41.4MB. 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~nondet97 - 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: 1558]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE190_Integer_Overflow__int_max_add_18_bad() [L1550] int data; [L1551] data = 0 [L1554] data = 0x7fffffff VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1558]: 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 11:52:51,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab022fe1-9b3b-41c4-aedb-2500b2eff6c4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample