./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_68_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1542a-68b9-4035-baf7-0503ed775c66/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1542a-68b9-4035-baf7-0503ed775c66/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_6cd1542a-68b9-4035-baf7-0503ed775c66/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1542a-68b9-4035-baf7-0503ed775c66/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_68_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1542a-68b9-4035-baf7-0503ed775c66/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_6cd1542a-68b9-4035-baf7-0503ed775c66/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 54e06d5a3f81204e87dd702a2ac3a817d31ac8481b85e817a3fd7bc1039fcdec --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:44:42,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:44:42,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1542a-68b9-4035-baf7-0503ed775c66/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 10:44:42,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:44:42,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:44:43,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:44:43,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:44:43,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:44:43,009 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:44:43,014 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:44:43,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:44:43,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:44:43,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:44:43,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:44:43,019 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:44:43,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:44:43,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:44:43,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:44:43,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:44:43,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:44:43,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:44:43,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:44:43,023 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:44:43,024 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:44:43,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:44:43,025 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:44:43,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:44:43,026 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:44:43,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:44:43,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:44:43,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:43,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:44:43,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:44:43,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:44:43,030 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:44:43,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:44:43,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:44:43,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:44:43,032 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:44:43,032 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:44:43,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:44:43,033 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_6cd1542a-68b9-4035-baf7-0503ed775c66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1542a-68b9-4035-baf7-0503ed775c66/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54e06d5a3f81204e87dd702a2ac3a817d31ac8481b85e817a3fd7bc1039fcdec [2023-11-26 10:44:43,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:44:43,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:44:43,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:44:43,386 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:44:43,387 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:44:43,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1542a-68b9-4035-baf7-0503ed775c66/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_68_good.i [2023-11-26 10:44:46,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:44:47,053 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:44:47,056 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1542a-68b9-4035-baf7-0503ed775c66/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_68_good.i [2023-11-26 10:44:47,093 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1542a-68b9-4035-baf7-0503ed775c66/bin/uautomizer-verify-VRDe98Ueme/data/7a65dfce8/ba6506b05445486181f1c1d26a6a4c54/FLAG9b568cc2b [2023-11-26 10:44:47,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1542a-68b9-4035-baf7-0503ed775c66/bin/uautomizer-verify-VRDe98Ueme/data/7a65dfce8/ba6506b05445486181f1c1d26a6a4c54 [2023-11-26 10:44:47,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:44:47,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:44:47,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:47,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:44:47,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:44:47,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:47" (1/1) ... [2023-11-26 10:44:47,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73597b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:47, skipping insertion in model container [2023-11-26 10:44:47,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:47" (1/1) ... [2023-11-26 10:44:47,219 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:44:48,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:48,512 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:44:48,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:48,880 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:44:48,880 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:44:48,880 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:44:48,881 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:44:48,881 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:44:48,888 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:44:48,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:48 WrapperNode [2023-11-26 10:44:48,889 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:48,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:48,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:44:48,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:44:48,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:48" (1/1) ... [2023-11-26 10:44:48,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:48" (1/1) ... [2023-11-26 10:44:48,984 INFO L138 Inliner]: procedures = 503, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 78 [2023-11-26 10:44:48,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:48,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:44:48,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:44:48,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:44:48,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:48" (1/1) ... [2023-11-26 10:44:48,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:48" (1/1) ... [2023-11-26 10:44:49,006 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:48" (1/1) ... [2023-11-26 10:44:49,020 INFO L175 MemorySlicer]: Split 4 memory accesses to 3 slices as follows [1, 1, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 1, 0]. The 2 writes are split as follows [0, 0, 2]. [2023-11-26 10:44:49,021 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:48" (1/1) ... [2023-11-26 10:44:49,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:48" (1/1) ... [2023-11-26 10:44:49,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:48" (1/1) ... [2023-11-26 10:44:49,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:48" (1/1) ... [2023-11-26 10:44:49,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:48" (1/1) ... [2023-11-26 10:44:49,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:48" (1/1) ... [2023-11-26 10:44:49,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:44:49,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:44:49,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:44:49,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:44:49,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:48" (1/1) ... [2023-11-26 10:44:49,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:49,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1542a-68b9-4035-baf7-0503ed775c66/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:49,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1542a-68b9-4035-baf7-0503ed775c66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:49,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1542a-68b9-4035-baf7-0503ed775c66/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:44:49,138 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-26 10:44:49,139 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-26 10:44:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-26 10:44:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 10:44:49,139 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 10:44:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:44:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-26 10:44:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-26 10:44:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-26 10:44:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:44:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:44:49,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:44:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:44:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 10:44:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:44:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:44:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:44:49,377 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:44:49,380 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:44:49,529 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:44:49,569 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:44:49,569 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:44:49,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:49 BoogieIcfgContainer [2023-11-26 10:44:49,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:44:49,573 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:44:49,573 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:44:49,577 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:44:49,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:44:47" (1/3) ... [2023-11-26 10:44:49,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195ff4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:44:49, skipping insertion in model container [2023-11-26 10:44:49,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:48" (2/3) ... [2023-11-26 10:44:49,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195ff4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:44:49, skipping insertion in model container [2023-11-26 10:44:49,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:49" (3/3) ... [2023-11-26 10:44:49,580 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_68_good.i [2023-11-26 10:44:49,602 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:44:49,602 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-26 10:44:49,654 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:44:49,661 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;@26910e1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:44:49,662 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-26 10:44:49,666 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 19 states have (on average 1.368421052631579) internal successors, (26), 23 states have internal predecessors, (26), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 10:44:49,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-26 10:44:49,675 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:49,675 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:49,676 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 10:44:49,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:49,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1749866359, now seen corresponding path program 1 times [2023-11-26 10:44:49,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:49,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88027293] [2023-11-26 10:44:49,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:49,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:50,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:44:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:50,074 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 10:44:50,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:50,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88027293] [2023-11-26 10:44:50,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88027293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:50,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:50,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:44:50,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11375564] [2023-11-26 10:44:50,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:50,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:44:50,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:50,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:44:50,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:44:50,139 INFO L87 Difference]: Start difference. First operand has 32 states, 19 states have (on average 1.368421052631579) internal successors, (26), 23 states have internal predecessors, (26), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) 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 10:44:50,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:50,211 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2023-11-26 10:44:50,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:44:50,213 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 10:44:50,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:50,221 INFO L225 Difference]: With dead ends: 32 [2023-11-26 10:44:50,222 INFO L226 Difference]: Without dead ends: 22 [2023-11-26 10:44:50,225 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 10:44:50,229 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 2 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:50,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 56 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:44:50,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-11-26 10:44:50,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-26 10:44:50,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 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 10:44:50,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2023-11-26 10:44:50,274 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 8 [2023-11-26 10:44:50,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:50,276 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2023-11-26 10:44:50,276 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 10:44:50,278 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-26 10:44:50,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 10:44:50,283 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:50,283 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:44:50,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:44:50,287 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 10:44:50,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:50,289 INFO L85 PathProgramCache]: Analyzing trace with hash 869185384, now seen corresponding path program 1 times [2023-11-26 10:44:50,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:50,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177438878] [2023-11-26 10:44:50,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:50,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:50,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:44:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:50,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 10:44:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:50,507 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 10:44:50,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:50,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177438878] [2023-11-26 10:44:50,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177438878] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:50,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:50,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:44:50,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932304656] [2023-11-26 10:44:50,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:50,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:44:50,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:50,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:44:50,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:44:50,511 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:44:50,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:50,549 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2023-11-26 10:44:50,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:44:50,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2023-11-26 10:44:50,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:50,551 INFO L225 Difference]: With dead ends: 22 [2023-11-26 10:44:50,551 INFO L226 Difference]: Without dead ends: 21 [2023-11-26 10:44:50,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:44:50,553 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 8 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:50,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 44 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:44:50,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-11-26 10:44:50,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-26 10:44:50,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 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 10:44:50,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2023-11-26 10:44:50,574 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 17 [2023-11-26 10:44:50,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:50,574 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-11-26 10:44:50,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:44:50,575 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-26 10:44:50,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-26 10:44:50,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:44:50,576 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 10:44:50,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:44:50,576 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-26 10:44:50,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:50,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1174943198, now seen corresponding path program 1 times [2023-11-26 10:44:50,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:50,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482694714] [2023-11-26 10:44:50,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:50,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:50,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:44:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:50,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 10:44:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:50,644 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 10:44:50,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:50,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482694714] [2023-11-26 10:44:50,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482694714] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:50,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:50,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:44:50,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027317521] [2023-11-26 10:44:50,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:50,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:44:50,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:50,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:44:50,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:44:50,648 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:44:50,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:44:50,662 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2023-11-26 10:44:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:44:50,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2023-11-26 10:44:50,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:44:50,663 INFO L225 Difference]: With dead ends: 21 [2023-11-26 10:44:50,664 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 10:44:50,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 10:44:50,666 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:44:50,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:44:50,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 10:44:50,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 10:44:50,668 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 10:44:50,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 10:44:50,668 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2023-11-26 10:44:50,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:44:50,669 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:44:50,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-26 10:44:50,669 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:44:50,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 10:44:50,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-26 10:44:50,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-26 10:44:50,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-26 10:44:50,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-26 10:44:50,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:44:50,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 10:44:50,694 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-26 10:44:50,694 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 10:44:50,694 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-26 10:44:50,694 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 10:44:50,694 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-26 10:44:50,695 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-26 10:44:50,695 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1599) no Hoare annotation was computed. [2023-11-26 10:44:50,695 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 10:44:50,695 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (= 2 |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_add_68b_goodG2BSink_~data~2#1|) [2023-11-26 10:44:50,695 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2023-11-26 10:44:50,696 INFO L899 garLoopResultBuilder]: For program point L1567(lines 1567 1574) no Hoare annotation was computed. [2023-11-26 10:44:50,696 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1608) no Hoare annotation was computed. [2023-11-26 10:44:50,696 INFO L899 garLoopResultBuilder]: For program point L1567-2(lines 1567 1574) no Hoare annotation was computed. [2023-11-26 10:44:50,696 INFO L902 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: true [2023-11-26 10:44:50,696 INFO L899 garLoopResultBuilder]: For program point L1613-1(line 1613) no Hoare annotation was computed. [2023-11-26 10:44:50,696 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 10:44:50,697 INFO L902 garLoopResultBuilder]: At program point L1609(line 1609) the Hoare annotation is: true [2023-11-26 10:44:50,697 INFO L899 garLoopResultBuilder]: For program point L1609-1(line 1609) no Hoare annotation was computed. [2023-11-26 10:44:50,697 INFO L899 garLoopResultBuilder]: For program point L1603(lines 1603 1615) no Hoare annotation was computed. [2023-11-26 10:44:50,697 INFO L899 garLoopResultBuilder]: For program point L1599(line 1599) no Hoare annotation was computed. [2023-11-26 10:44:50,697 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1599) no Hoare annotation was computed. [2023-11-26 10:44:50,698 INFO L899 garLoopResultBuilder]: For program point L1599-1(line 1599) no Hoare annotation was computed. [2023-11-26 10:44:50,698 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1608) no Hoare annotation was computed. [2023-11-26 10:44:50,698 INFO L902 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: true [2023-11-26 10:44:50,698 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2023-11-26 10:44:50,698 INFO L902 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: true [2023-11-26 10:44:50,699 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2023-11-26 10:44:50,699 INFO L899 garLoopResultBuilder]: For program point L1608(line 1608) no Hoare annotation was computed. [2023-11-26 10:44:50,699 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2023-11-26 10:44:50,699 INFO L899 garLoopResultBuilder]: For program point L1606(lines 1606 1614) no Hoare annotation was computed. [2023-11-26 10:44:50,699 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) [2023-11-26 10:44:50,700 INFO L899 garLoopResultBuilder]: For program point L1573-1(line 1573) no Hoare annotation was computed. [2023-11-26 10:44:50,703 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 10:44:50,706 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:44:50,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:44:50 BoogieIcfgContainer [2023-11-26 10:44:50,711 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:44:50,711 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:44:50,711 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:44:50,712 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:44:50,712 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:49" (3/4) ... [2023-11-26 10:44:50,714 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:44:50,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-26 10:44:50,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-26 10:44:50,723 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-26 10:44:50,724 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-26 10:44:50,724 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 10:44:50,724 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:44:50,820 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1542a-68b9-4035-baf7-0503ed775c66/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:44:50,821 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1542a-68b9-4035-baf7-0503ed775c66/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:44:50,821 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:44:50,822 INFO L158 Benchmark]: Toolchain (without parser) took 3704.17ms. Allocated memory is still 157.3MB. Free memory was 111.6MB in the beginning and 76.7MB in the end (delta: 35.0MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2023-11-26 10:44:50,823 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:44:50,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1769.06ms. Allocated memory is still 157.3MB. Free memory was 111.2MB in the beginning and 88.8MB in the end (delta: 22.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-26 10:44:50,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.87ms. Allocated memory is still 157.3MB. Free memory was 88.8MB in the beginning and 85.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:44:50,826 INFO L158 Benchmark]: Boogie Preprocessor took 51.62ms. Allocated memory is still 157.3MB. Free memory was 85.9MB in the beginning and 83.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:44:50,828 INFO L158 Benchmark]: RCFGBuilder took 529.85ms. Allocated memory is still 157.3MB. Free memory was 83.4MB in the beginning and 67.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 10:44:50,828 INFO L158 Benchmark]: TraceAbstraction took 1137.75ms. Allocated memory is still 157.3MB. Free memory was 66.7MB in the beginning and 81.9MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:44:50,828 INFO L158 Benchmark]: Witness Printer took 109.67ms. Allocated memory is still 157.3MB. Free memory was 80.9MB in the beginning and 76.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:44:50,832 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1769.06ms. Allocated memory is still 157.3MB. Free memory was 111.2MB in the beginning and 88.8MB in the end (delta: 22.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.87ms. Allocated memory is still 157.3MB. Free memory was 88.8MB in the beginning and 85.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.62ms. Allocated memory is still 157.3MB. Free memory was 85.9MB in the beginning and 83.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 529.85ms. Allocated memory is still 157.3MB. Free memory was 83.4MB in the beginning and 67.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1137.75ms. Allocated memory is still 157.3MB. Free memory was 66.7MB in the beginning and 81.9MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 109.67ms. Allocated memory is still 157.3MB. Free memory was 80.9MB in the beginning and 76.7MB in the end (delta: 4.2MB). 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: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: 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, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 134 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 71 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 63 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 12 PreInvPairs, 12 NumberOfFragments, 14 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 10:44:50,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1542a-68b9-4035-baf7-0503ed775c66/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