./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_13_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_13_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f0a6a7351f1beab3744dfe477fdaf01b7fcdeff99e75d8f96f36506860e3968b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:04:22,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:04:23,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:04:23,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:04:23,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:04:23,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:04:23,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:04:23,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:04:23,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:04:23,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:04:23,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:04:23,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:04:23,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:04:23,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:04:23,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:04:23,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:04:23,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:04:23,183 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:04:23,184 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:04:23,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:04:23,185 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:04:23,186 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:04:23,187 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:04:23,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:04:23,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:23,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:04:23,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:04:23,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:04:23,190 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:04:23,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:04:23,192 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:04:23,192 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0a6a7351f1beab3744dfe477fdaf01b7fcdeff99e75d8f96f36506860e3968b [2023-11-12 00:04:23,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:04:23,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:04:23,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:04:23,542 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:04:23,560 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:04:23,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_13_good.i [2023-11-12 00:04:26,847 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:04:27,294 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:04:27,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_13_good.i [2023-11-12 00:04:27,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV/data/b26bc0afc/58698b13c6824e0caa8f7c29a1ebeb50/FLAGba1cb4b91 [2023-11-12 00:04:27,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV/data/b26bc0afc/58698b13c6824e0caa8f7c29a1ebeb50 [2023-11-12 00:04:27,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:04:27,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:04:27,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:27,351 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:04:27,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:04:27,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:27" (1/1) ... [2023-11-12 00:04:27,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7362e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:27, skipping insertion in model container [2023-11-12 00:04:27,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:27" (1/1) ... [2023-11-12 00:04:27,452 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:04:27,973 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:04:28,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:28,531 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:04:28,552 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:04:28,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:28,763 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:04:28,764 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:04:28,764 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:04:28,764 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:04:28,764 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:04:28,772 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:04:28,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:28 WrapperNode [2023-11-12 00:04:28,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:28,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:28,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:04:28,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:04:28,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:28" (1/1) ... [2023-11-12 00:04:28,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:28" (1/1) ... [2023-11-12 00:04:28,961 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 84 [2023-11-12 00:04:28,962 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:28,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:04:28,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:04:28,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:04:28,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:28" (1/1) ... [2023-11-12 00:04:28,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:28" (1/1) ... [2023-11-12 00:04:28,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:28" (1/1) ... [2023-11-12 00:04:28,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:28" (1/1) ... [2023-11-12 00:04:29,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:28" (1/1) ... [2023-11-12 00:04:29,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:28" (1/1) ... [2023-11-12 00:04:29,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:28" (1/1) ... [2023-11-12 00:04:29,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:28" (1/1) ... [2023-11-12 00:04:29,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:04:29,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:04:29,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:04:29,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:04:29,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:28" (1/1) ... [2023-11-12 00:04:29,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:29,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:04:29,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:04:29,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:04:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-12 00:04:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-12 00:04:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:04:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:04:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:04:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:04:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:04:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:04:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:04:29,330 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:04:29,332 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:04:29,602 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:04:29,665 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:04:29,666 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:04:29,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:29 BoogieIcfgContainer [2023-11-12 00:04:29,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:04:29,670 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:04:29,670 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:04:29,678 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:04:29,678 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:29" (1/1) ... [2023-11-12 00:04:29,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:04:29,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:29,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 71 transitions. [2023-11-12 00:04:29,740 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2023-11-12 00:04:29,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:04:29,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:29,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:29,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:30,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:30,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 70 transitions. [2023-11-12 00:04:30,014 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2023-11-12 00:04:30,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:04:30,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:30,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:30,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:30,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:30,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 69 transitions. [2023-11-12 00:04:30,218 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2023-11-12 00:04:30,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:04:30,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:30,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:30,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:30,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:30,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2023-11-12 00:04:30,475 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2023-11-12 00:04:30,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:04:30,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:30,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:30,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 50 states and 67 transitions. [2023-11-12 00:04:30,694 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2023-11-12 00:04:30,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:04:30,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:30,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:04:30,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 64 transitions. [2023-11-12 00:04:30,807 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2023-11-12 00:04:30,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:04:30,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:30,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:30,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:04:30,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:30,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 48 states and 63 transitions. [2023-11-12 00:04:30,969 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2023-11-12 00:04:30,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:04:30,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:30,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:31,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:04:31,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:31,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 65 transitions. [2023-11-12 00:04:31,132 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2023-11-12 00:04:31,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:04:31,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:31,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:04:31,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:31,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 70 transitions. [2023-11-12 00:04:31,262 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2023-11-12 00:04:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:04:31,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:31,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:31,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:04:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:31,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 57 states and 76 transitions. [2023-11-12 00:04:31,455 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-12 00:04:31,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:04:31,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:31,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:31,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:04:31,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:31,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 79 transitions. [2023-11-12 00:04:31,563 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2023-11-12 00:04:31,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:04:31,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:31,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:31,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:04:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:31,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 60 states and 80 transitions. [2023-11-12 00:04:31,755 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2023-11-12 00:04:31,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-12 00:04:31,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:31,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:31,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:04:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:31,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 54 states and 71 transitions. [2023-11-12 00:04:31,915 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-12 00:04:31,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 00:04:31,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:31,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:31,976 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-12 00:04:32,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:32,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 54 states and 70 transitions. [2023-11-12 00:04:32,117 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-12 00:04:32,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-12 00:04:32,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:32,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:04:32,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:32,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 54 states and 69 transitions. [2023-11-12 00:04:32,414 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2023-11-12 00:04:32,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-12 00:04:32,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:32,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:32,473 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:04:32,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:32,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 41 states and 48 transitions. [2023-11-12 00:04:32,651 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2023-11-12 00:04:32,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 00:04:32,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:32,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:32,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:04:33,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:33,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 40 states and 47 transitions. [2023-11-12 00:04:33,034 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2023-11-12 00:04:33,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-12 00:04:33,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:33,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:33,127 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:04:33,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:33,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 39 states and 46 transitions. [2023-11-12 00:04:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-11-12 00:04:33,270 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:04:33,270 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2023-11-12 00:04:33,283 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-12 00:04:33,439 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:04:33,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:04:33 ImpRootNode [2023-11-12 00:04:33,445 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:04:33,446 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:04:33,446 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:04:33,446 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:04:33,447 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:29" (3/4) ... [2023-11-12 00:04:33,449 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:04:33,453 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-12 00:04:33,454 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-12 00:04:33,459 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-12 00:04:33,460 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 00:04:33,460 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 00:04:33,461 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:04:33,560 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:04:33,561 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-12 00:04:33,561 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:04:33,562 INFO L158 Benchmark]: Toolchain (without parser) took 6214.61ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 62.8MB in the beginning and 80.1MB in the end (delta: -17.3MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-11-12 00:04:33,562 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 109.1MB. Free memory was 78.8MB in the beginning and 78.8MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:04:33,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1422.34ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 62.5MB in the beginning and 52.3MB in the end (delta: 10.2MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2023-11-12 00:04:33,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 187.94ms. Allocated memory is still 134.2MB. Free memory was 52.3MB in the beginning and 99.1MB in the end (delta: -46.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:04:33,563 INFO L158 Benchmark]: Boogie Preprocessor took 63.04ms. Allocated memory is still 134.2MB. Free memory was 99.1MB in the beginning and 97.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:33,564 INFO L158 Benchmark]: RCFGBuilder took 642.33ms. Allocated memory is still 134.2MB. Free memory was 97.1MB in the beginning and 79.6MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:04:33,564 INFO L158 Benchmark]: CodeCheck took 3775.38ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 79.6MB in the beginning and 85.2MB in the end (delta: -5.6MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-12 00:04:33,564 INFO L158 Benchmark]: Witness Printer took 115.28ms. Allocated memory is still 163.6MB. Free memory was 85.2MB in the beginning and 80.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:04:33,567 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1912 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 517 mSDsluCounter, 1192 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 258 mSDsCounter, 361 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1557 IncrementalHoareTripleChecker+Invalid, 1918 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 361 mSolverCounterUnsat, 934 mSDtfsCounter, 1557 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2854 GetRequests, 2791 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1296 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 627 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 52/52 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1650]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 109.1MB. Free memory was 78.8MB in the beginning and 78.8MB in the end (delta: 26.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1422.34ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 62.5MB in the beginning and 52.3MB in the end (delta: 10.2MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 187.94ms. Allocated memory is still 134.2MB. Free memory was 52.3MB in the beginning and 99.1MB in the end (delta: -46.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.04ms. Allocated memory is still 134.2MB. Free memory was 99.1MB in the beginning and 97.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 642.33ms. Allocated memory is still 134.2MB. Free memory was 97.1MB in the beginning and 79.6MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3775.38ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 79.6MB in the beginning and 85.2MB in the end (delta: -5.6MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Witness Printer took 115.28ms. Allocated memory is still 163.6MB. Free memory was 85.2MB in the beginning and 80.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-12 00:04:33,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0edd7f67-9956-4431-a11c-f6122cb0090c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE