./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_good.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_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/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_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/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_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/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 91e3d92dd1aed6741373601221e05387b6632a33c948cbc7f9bbd3fc5cab4bc5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:43:13,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:43:14,047 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 10:43:14,059 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:43:14,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:43:14,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:43:14,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:43:14,126 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:43:14,127 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:43:14,132 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:43:14,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:43:14,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:43:14,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:43:14,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:43:14,137 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:43:14,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:43:14,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:43:14,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:43:14,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:43:14,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:43:14,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:43:14,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:43:14,141 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:43:14,141 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:43:14,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:43:14,142 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:43:14,143 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:43:14,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:43:14,144 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:43:14,144 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:43:14,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:14,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:43:14,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:43:14,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:43:14,147 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:43:14,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:43:14,148 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:43:14,148 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:43:14,154 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:43:14,154 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:43:14,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:43:14,155 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_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91e3d92dd1aed6741373601221e05387b6632a33c948cbc7f9bbd3fc5cab4bc5 [2023-11-26 10:43:14,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:43:14,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:43:14,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:43:14,522 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:43:14,522 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:43:14,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_good.i [2023-11-26 10:43:17,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:43:18,112 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:43:18,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_good.i [2023-11-26 10:43:18,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/bin/uautomizer-verify-VRDe98Ueme/data/ac1e2fbfd/1e9b43fa61684504b05480e830ea8660/FLAGc09ae5c52 [2023-11-26 10:43:18,161 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/bin/uautomizer-verify-VRDe98Ueme/data/ac1e2fbfd/1e9b43fa61684504b05480e830ea8660 [2023-11-26 10:43:18,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:43:18,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:43:18,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:18,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:43:18,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:43:18,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:18" (1/1) ... [2023-11-26 10:43:18,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e41785a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:18, skipping insertion in model container [2023-11-26 10:43:18,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:18" (1/1) ... [2023-11-26 10:43:18,230 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:43:19,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:19,361 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:43:19,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:19,715 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:43:19,716 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:43:19,716 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:43:19,716 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:43:19,724 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:43:19,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:19 WrapperNode [2023-11-26 10:43:19,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:19,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:19,727 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:43:19,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:43:19,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:19" (1/1) ... [2023-11-26 10:43:19,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:19" (1/1) ... [2023-11-26 10:43:19,826 INFO L138 Inliner]: procedures = 500, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 124 [2023-11-26 10:43:19,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:19,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:43:19,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:43:19,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:43:19,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:19" (1/1) ... [2023-11-26 10:43:19,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:19" (1/1) ... [2023-11-26 10:43:19,853 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:19" (1/1) ... [2023-11-26 10:43:19,888 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 10:43:19,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:19" (1/1) ... [2023-11-26 10:43:19,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:19" (1/1) ... [2023-11-26 10:43:19,900 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:19" (1/1) ... [2023-11-26 10:43:19,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:19" (1/1) ... [2023-11-26 10:43:19,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:19" (1/1) ... [2023-11-26 10:43:19,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:19" (1/1) ... [2023-11-26 10:43:19,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:43:19,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:43:19,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:43:19,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:43:19,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:19" (1/1) ... [2023-11-26 10:43:19,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:19,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:20,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:20,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:43:20,045 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-26 10:43:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-26 10:43:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 10:43:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 10:43:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:43:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:43:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:43:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 10:43:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:43:20,195 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:43:20,198 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:43:20,481 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:43:20,529 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:43:20,530 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 10:43:20,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:20 BoogieIcfgContainer [2023-11-26 10:43:20,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:43:20,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:43:20,537 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:43:20,541 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:43:20,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:43:18" (1/3) ... [2023-11-26 10:43:20,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ec29c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:20, skipping insertion in model container [2023-11-26 10:43:20,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:19" (2/3) ... [2023-11-26 10:43:20,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ec29c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:20, skipping insertion in model container [2023-11-26 10:43:20,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:20" (3/3) ... [2023-11-26 10:43:20,544 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_16_good.i [2023-11-26 10:43:20,563 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:43:20,563 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-26 10:43:20,617 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:43:20,627 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;@6c95395d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:43:20,627 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-26 10:43:20,632 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 41 states have (on average 1.7073170731707317) internal successors, (70), 45 states have internal predecessors, (70), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:43:20,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-26 10:43:20,643 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:20,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:20,645 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 10:43:20,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:20,652 INFO L85 PathProgramCache]: Analyzing trace with hash 270424860, now seen corresponding path program 1 times [2023-11-26 10:43:20,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:20,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538693159] [2023-11-26 10:43:20,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:20,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:20,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:43:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:20,898 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 10:43:20,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:20,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538693159] [2023-11-26 10:43:20,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538693159] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:20,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:20,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:20,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054544888] [2023-11-26 10:43:20,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:20,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:43:20,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:20,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:43:20,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:43:20,937 INFO L87 Difference]: Start difference. First operand has 53 states, 41 states have (on average 1.7073170731707317) internal successors, (70), 45 states have internal predecessors, (70), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:43:20,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:20,970 INFO L93 Difference]: Finished difference Result 84 states and 122 transitions. [2023-11-26 10:43:20,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:43:20,972 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-26 10:43:20,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:20,980 INFO L225 Difference]: With dead ends: 84 [2023-11-26 10:43:20,980 INFO L226 Difference]: Without dead ends: 47 [2023-11-26 10:43:20,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:43:20,986 INFO L413 NwaCegarLoop]: 68 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, 68 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 10:43:20,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:21,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-26 10:43:21,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-26 10:43:21,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.5) internal successors, (57), 41 states have internal predecessors, (57), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:43:21,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 63 transitions. [2023-11-26 10:43:21,025 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 63 transitions. Word has length 12 [2023-11-26 10:43:21,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:21,027 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 63 transitions. [2023-11-26 10:43:21,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:43:21,027 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2023-11-26 10:43:21,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-26 10:43:21,029 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:21,029 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:21,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:43:21,029 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 10:43:21,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:21,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1355110683, now seen corresponding path program 1 times [2023-11-26 10:43:21,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:21,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803095582] [2023-11-26 10:43:21,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:21,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:21,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:43:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:21,204 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 10:43:21,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:21,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803095582] [2023-11-26 10:43:21,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803095582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:21,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:21,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:21,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026646144] [2023-11-26 10:43:21,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:21,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:21,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:21,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:21,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:21,208 INFO L87 Difference]: Start difference. First operand 47 states and 63 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:43:21,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:21,258 INFO L93 Difference]: Finished difference Result 48 states and 64 transitions. [2023-11-26 10:43:21,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:21,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-11-26 10:43:21,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:21,261 INFO L225 Difference]: With dead ends: 48 [2023-11-26 10:43:21,261 INFO L226 Difference]: Without dead ends: 47 [2023-11-26 10:43:21,261 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 10:43:21,263 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 35 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:21,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 74 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:21,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-26 10:43:21,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2023-11-26 10:43:21,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 40 states have internal predecessors, (56), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:43:21,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 62 transitions. [2023-11-26 10:43:21,272 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 62 transitions. Word has length 18 [2023-11-26 10:43:21,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:21,272 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 62 transitions. [2023-11-26 10:43:21,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:43:21,273 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2023-11-26 10:43:21,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-26 10:43:21,274 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:21,274 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:21,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:43:21,275 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 10:43:21,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:21,276 INFO L85 PathProgramCache]: Analyzing trace with hash -941241638, now seen corresponding path program 1 times [2023-11-26 10:43:21,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:21,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502345742] [2023-11-26 10:43:21,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:21,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:21,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:43:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:21,361 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 10:43:21,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:21,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502345742] [2023-11-26 10:43:21,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502345742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:21,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:21,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:21,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859497034] [2023-11-26 10:43:21,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:21,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:21,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:21,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:21,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:21,365 INFO L87 Difference]: Start difference. First operand 46 states and 62 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 10:43:21,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:21,406 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2023-11-26 10:43:21,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:21,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 19 [2023-11-26 10:43:21,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:21,411 INFO L225 Difference]: With dead ends: 47 [2023-11-26 10:43:21,413 INFO L226 Difference]: Without dead ends: 46 [2023-11-26 10:43:21,414 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 10:43:21,415 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 4 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:21,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 102 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:21,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-26 10:43:21,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2023-11-26 10:43:21,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 39 states have internal predecessors, (55), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:43:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2023-11-26 10:43:21,432 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 19 [2023-11-26 10:43:21,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:21,433 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2023-11-26 10:43:21,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 10:43:21,434 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2023-11-26 10:43:21,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-26 10:43:21,437 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:21,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:21,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:43:21,438 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 10:43:21,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:21,440 INFO L85 PathProgramCache]: Analyzing trace with hash -2114608761, now seen corresponding path program 1 times [2023-11-26 10:43:21,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:21,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909245913] [2023-11-26 10:43:21,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:21,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:21,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:43:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:21,585 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 10:43:21,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:21,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909245913] [2023-11-26 10:43:21,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909245913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:21,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:21,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:21,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077358622] [2023-11-26 10:43:21,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:21,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:21,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:21,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:21,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:21,591 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 10:43:21,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:21,627 INFO L93 Difference]: Finished difference Result 45 states and 61 transitions. [2023-11-26 10:43:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:21,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 21 [2023-11-26 10:43:21,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:21,630 INFO L225 Difference]: With dead ends: 45 [2023-11-26 10:43:21,630 INFO L226 Difference]: Without dead ends: 44 [2023-11-26 10:43:21,631 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 10:43:21,637 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 2 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:21,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 107 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:21,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-26 10:43:21,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-26 10:43:21,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-26 10:43:21,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2023-11-26 10:43:21,662 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 21 [2023-11-26 10:43:21,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:21,663 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2023-11-26 10:43:21,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 10:43:21,663 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2023-11-26 10:43:21,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-26 10:43:21,664 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:21,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:21,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:43:21,665 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 10:43:21,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:21,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1128361961, now seen corresponding path program 1 times [2023-11-26 10:43:21,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:21,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724826852] [2023-11-26 10:43:21,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:21,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:21,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:43:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:21,739 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 10:43:21,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:21,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724826852] [2023-11-26 10:43:21,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724826852] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:21,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:21,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:43:21,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884747206] [2023-11-26 10:43:21,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:21,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:21,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:21,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:21,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:43:21,742 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 10:43:21,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:21,756 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2023-11-26 10:43:21,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:21,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 22 [2023-11-26 10:43:21,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:21,757 INFO L225 Difference]: With dead ends: 44 [2023-11-26 10:43:21,757 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 10:43:21,757 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 10:43:21,758 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:21,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:21,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 10:43:21,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 10:43:21,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:21,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 10:43:21,760 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2023-11-26 10:43:21,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:21,760 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:43:21,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 10:43:21,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:43:21,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 10:43:21,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-26 10:43:21,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-26 10:43:21,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-26 10:43:21,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-26 10:43:21,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 10:43:21,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 10:43:21,797 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-26 10:43:21,798 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 10:43:21,798 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-26 10:43:21,798 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 10:43:21,798 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-26 10:43:21,798 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-26 10:43:21,798 INFO L899 garLoopResultBuilder]: For program point L1554-18(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,799 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1587) no Hoare annotation was computed. [2023-11-26 10:43:21,799 INFO L899 garLoopResultBuilder]: For program point L1554-20(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,799 INFO L899 garLoopResultBuilder]: For program point L1554-22(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,799 INFO L899 garLoopResultBuilder]: For program point L1554-23(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,799 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2023-11-26 10:43:21,799 INFO L899 garLoopResultBuilder]: For program point L1563-1(line 1563) no Hoare annotation was computed. [2023-11-26 10:43:21,800 INFO L899 garLoopResultBuilder]: For program point L1554-25(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,800 INFO L899 garLoopResultBuilder]: For program point L1554-27(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,800 INFO L899 garLoopResultBuilder]: For program point L1554-29(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,800 INFO L899 garLoopResultBuilder]: For program point L1554-30(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,800 INFO L902 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: true [2023-11-26 10:43:21,800 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2023-11-26 10:43:21,800 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2023-11-26 10:43:21,801 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G_~data~0#1|)) (<= (+ |ULTIMATE.start_goodB2G_~data~0#1| 1) 0)) [2023-11-26 10:43:21,801 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-26 10:43:21,801 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1573) no Hoare annotation was computed. [2023-11-26 10:43:21,801 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2023-11-26 10:43:21,801 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 10:43:21,802 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1592) no Hoare annotation was computed. [2023-11-26 10:43:21,802 INFO L895 garLoopResultBuilder]: At program point $Ultimate##5(lines 1552 1556) the Hoare annotation is: (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G_~data~0#1|)) [2023-11-26 10:43:21,802 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1570) no Hoare annotation was computed. [2023-11-26 10:43:21,802 INFO L902 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: true [2023-11-26 10:43:21,802 INFO L899 garLoopResultBuilder]: For program point L1601-1(line 1601) no Hoare annotation was computed. [2023-11-26 10:43:21,802 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G_~data~0#1| 1) 0) [2023-11-26 10:43:21,803 INFO L899 garLoopResultBuilder]: For program point L1568-1(line 1568) no Hoare annotation was computed. [2023-11-26 10:43:21,803 INFO L895 garLoopResultBuilder]: At program point $Ultimate##61(lines 1578 1582) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~1#1| 2)) [2023-11-26 10:43:21,803 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1589) no Hoare annotation was computed. [2023-11-26 10:43:21,803 INFO L895 garLoopResultBuilder]: At program point $Ultimate##67(lines 1583 1591) the Hoare annotation is: (= (+ |ULTIMATE.start_goodG2B_~data~1#1| 2) 0) [2023-11-26 10:43:21,803 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 10:43:21,803 INFO L902 garLoopResultBuilder]: At program point $Ultimate##50(lines 1557 1572) the Hoare annotation is: true [2023-11-26 10:43:21,803 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1569) no Hoare annotation was computed. [2023-11-26 10:43:21,804 INFO L902 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: true [2023-11-26 10:43:21,804 INFO L899 garLoopResultBuilder]: For program point L1603-1(line 1603) no Hoare annotation was computed. [2023-11-26 10:43:21,804 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1587) no Hoare annotation was computed. [2023-11-26 10:43:21,804 INFO L899 garLoopResultBuilder]: For program point L1587(line 1587) no Hoare annotation was computed. [2023-11-26 10:43:21,804 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,804 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2023-11-26 10:43:21,805 INFO L899 garLoopResultBuilder]: For program point L1554-1(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,805 INFO L899 garLoopResultBuilder]: For program point L1554-3(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,805 INFO L899 garLoopResultBuilder]: For program point L1554-5(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,805 INFO L899 garLoopResultBuilder]: For program point L1554-7(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,805 INFO L899 garLoopResultBuilder]: For program point L1554-8(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,805 INFO L899 garLoopResultBuilder]: For program point L1554-10(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,805 INFO L899 garLoopResultBuilder]: For program point L1554-12(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,806 INFO L899 garLoopResultBuilder]: For program point L1554-14(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,806 INFO L899 garLoopResultBuilder]: For program point L1554-16(line 1554) no Hoare annotation was computed. [2023-11-26 10:43:21,809 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-26 10:43:21,811 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:43:21,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:43:21 BoogieIcfgContainer [2023-11-26 10:43:21,822 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:43:21,822 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:43:21,822 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:43:21,822 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:43:21,823 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:20" (3/4) ... [2023-11-26 10:43:21,825 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:43:21,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-26 10:43:21,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-26 10:43:21,834 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-26 10:43:21,834 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-26 10:43:21,835 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 10:43:21,835 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:43:21,935 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:43:21,935 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:43:21,935 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:43:21,936 INFO L158 Benchmark]: Toolchain (without parser) took 3771.13ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 124.9MB in the beginning and 111.0MB in the end (delta: 13.8MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-26 10:43:21,936 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory was 99.1MB in the beginning and 99.1MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:43:21,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1560.06ms. Allocated memory is still 159.4MB. Free memory was 124.5MB in the beginning and 115.1MB in the end (delta: 9.4MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. [2023-11-26 10:43:21,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.92ms. Allocated memory is still 159.4MB. Free memory was 115.0MB in the beginning and 111.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:43:21,938 INFO L158 Benchmark]: Boogie Preprocessor took 83.85ms. Allocated memory is still 159.4MB. Free memory was 111.6MB in the beginning and 109.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:43:21,938 INFO L158 Benchmark]: RCFGBuilder took 620.88ms. Allocated memory is still 159.4MB. Free memory was 108.8MB in the beginning and 106.9MB in the end (delta: 1.9MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-26 10:43:21,938 INFO L158 Benchmark]: TraceAbstraction took 1286.31ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 106.4MB in the beginning and 116.2MB in the end (delta: -9.8MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-11-26 10:43:21,939 INFO L158 Benchmark]: Witness Printer took 113.19ms. Allocated memory is still 195.0MB. Free memory was 116.2MB in the beginning and 111.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:43:21,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory was 99.1MB in the beginning and 99.1MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1560.06ms. Allocated memory is still 159.4MB. Free memory was 124.5MB in the beginning and 115.1MB in the end (delta: 9.4MB). Peak memory consumption was 60.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.92ms. Allocated memory is still 159.4MB. Free memory was 115.0MB in the beginning and 111.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.85ms. Allocated memory is still 159.4MB. Free memory was 111.6MB in the beginning and 109.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 620.88ms. Allocated memory is still 159.4MB. Free memory was 108.8MB in the beginning and 106.9MB in the end (delta: 1.9MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1286.31ms. Allocated memory was 159.4MB in the beginning and 195.0MB in the end (delta: 35.7MB). Free memory was 106.4MB in the beginning and 116.2MB in the end (delta: -9.8MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Witness Printer took 113.19ms. Allocated memory is still 195.0MB. Free memory was 116.2MB in the beginning and 111.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 458 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 167 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 291 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 18 PreInvPairs, 25 NumberOfFragments, 37 HoareAnnotationTreeSize, 18 FomulaSimplifications, 6 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 131 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: (0 <= (1073741823 + data)) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1583]: Loop Invariant Derived loop invariant: ((data + 2) == 0) - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: (0 <= (data + 2)) RESULT: Ultimate proved your program to be correct! [2023-11-26 10:43:21,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7d75433-3fca-46bf-bc94-a6c4d7dc047d/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: TRUE