./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_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_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi --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 1137b369345db06c5eaf7c66bcea315dec7b86dcc0a4a1a86123e8dbab152506 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:52,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:52,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:10:52,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:10:52,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:10:52,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:52,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:52,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:52,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:52,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:52,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:52,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:52,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:10:52,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:52,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:52,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:52,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:52,989 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:10:52,989 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:10:52,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:52,990 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:52,991 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:52,992 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:52,992 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:52,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:52,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:52,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:52,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:52,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:52,996 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:10:52,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:10:52,998 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:52,998 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_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1137b369345db06c5eaf7c66bcea315dec7b86dcc0a4a1a86123e8dbab152506 [2023-11-24 23:10:53,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:53,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:53,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:53,248 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:53,249 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:53,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_good.i [2023-11-24 23:10:56,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:56,687 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:56,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_good.i [2023-11-24 23:10:56,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi/data/4f00d7c21/828a54e81f0b4742bbb4371efaa08cfd/FLAG5acb7fe4e [2023-11-24 23:10:56,732 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi/data/4f00d7c21/828a54e81f0b4742bbb4371efaa08cfd [2023-11-24 23:10:56,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:56,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:56,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:56,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:56,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:56,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:56" (1/1) ... [2023-11-24 23:10:56,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1087589b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:56, skipping insertion in model container [2023-11-24 23:10:56,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:56" (1/1) ... [2023-11-24 23:10:56,815 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:57,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:57,894 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:58,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:58,128 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:58,128 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:58,128 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:58,129 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:58,129 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:58,137 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:58,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:58 WrapperNode [2023-11-24 23:10:58,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:58,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:58,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:58,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:58,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:58" (1/1) ... [2023-11-24 23:10:58,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:58" (1/1) ... [2023-11-24 23:10:58,258 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 127 [2023-11-24 23:10:58,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:58,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:58,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:58,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:58,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:58" (1/1) ... [2023-11-24 23:10:58,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:58" (1/1) ... [2023-11-24 23:10:58,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:58" (1/1) ... [2023-11-24 23:10:58,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:58" (1/1) ... [2023-11-24 23:10:58,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:58" (1/1) ... [2023-11-24 23:10:58,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:58" (1/1) ... [2023-11-24 23:10:58,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:58" (1/1) ... [2023-11-24 23:10:58,323 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:58" (1/1) ... [2023-11-24 23:10:58,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:58,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:58,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:58,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:58,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:58" (1/1) ... [2023-11-24 23:10:58,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:58,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:58,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:58,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:58,412 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:10:58,412 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:10:58,412 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 23:10:58,413 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:10:58,413 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:10:58,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:10:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:10:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:58,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:58,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:10:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:10:58,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:10:58,580 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:58,582 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:58,859 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:58,906 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:58,906 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:10:58,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:58 BoogieIcfgContainer [2023-11-24 23:10:58,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:58,909 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:58,909 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:58,920 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:58,921 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:58" (1/1) ... [2023-11-24 23:10:58,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:59,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:59,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2023-11-24 23:10:59,009 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2023-11-24 23:10:59,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:10:59,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:59,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:59,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:59,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 82 transitions. [2023-11-24 23:10:59,447 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-24 23:10:59,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:10:59,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:59,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:59,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:59,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:59,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 81 transitions. [2023-11-24 23:10:59,589 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-11-24 23:10:59,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:10:59,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:59,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:59,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:59,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:59,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 88 transitions. [2023-11-24 23:10:59,788 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-24 23:10:59,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:10:59,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:59,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:59,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:11:00,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:00,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 61 states and 80 transitions. [2023-11-24 23:11:00,065 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-11-24 23:11:00,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:11:00,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:00,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:00,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:11:00,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:00,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 63 states and 82 transitions. [2023-11-24 23:11:00,291 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-24 23:11:00,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:11:00,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:00,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:00,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:11:00,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:00,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 85 transitions. [2023-11-24 23:11:00,438 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2023-11-24 23:11:00,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:11:00,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:00,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:00,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:00,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:00,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 84 transitions. [2023-11-24 23:11:00,591 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2023-11-24 23:11:00,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:11:00,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:00,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:00,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:11:00,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:00,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 64 states and 83 transitions. [2023-11-24 23:11:00,724 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2023-11-24 23:11:00,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:11:00,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:00,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:00,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:11:00,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:00,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 69 states and 91 transitions. [2023-11-24 23:11:00,927 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2023-11-24 23:11:00,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:11:00,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:00,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:00,980 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:01,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:01,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 63 states and 81 transitions. [2023-11-24 23:11:01,004 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2023-11-24 23:11:01,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:11:01,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:01,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:01,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:11:01,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:01,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 65 states and 83 transitions. [2023-11-24 23:11:01,204 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2023-11-24 23:11:01,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:11:01,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:01,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:01,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:01,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:01,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 59 states and 75 transitions. [2023-11-24 23:11:01,451 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-11-24 23:11:01,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:11:01,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:01,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:01,530 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:01,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:01,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 57 states and 72 transitions. [2023-11-24 23:11:01,593 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2023-11-24 23:11:01,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:11:01,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:01,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:01,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:01,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:01,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 59 states and 76 transitions. [2023-11-24 23:11:01,735 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-24 23:11:01,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:11:01,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:01,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:01,827 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:01,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 81 transitions. [2023-11-24 23:11:01,929 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-11-24 23:11:01,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:11:01,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:01,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:01,988 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:02,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:02,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 65 states and 84 transitions. [2023-11-24 23:11:02,137 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2023-11-24 23:11:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:11:02,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:02,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:02,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:02,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 53 states and 65 transitions. [2023-11-24 23:11:02,364 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2023-11-24 23:11:02,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:11:02,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:02,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:02,472 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:02,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:02,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 52 states and 64 transitions. [2023-11-24 23:11:02,663 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2023-11-24 23:11:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:11:02,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:02,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:02,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:11:02,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:02,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 51 states and 63 transitions. [2023-11-24 23:11:02,936 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-11-24 23:11:02,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:11:02,936 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2023-11-24 23:11:02,947 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 23:11:03,142 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:11:03,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:11:03 ImpRootNode [2023-11-24 23:11:03,149 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:11:03,149 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:11:03,150 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:11:03,150 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:11:03,150 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:58" (3/4) ... [2023-11-24 23:11:03,152 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:11:03,156 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:11:03,156 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:11:03,165 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-24 23:11:03,165 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 23:11:03,166 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:11:03,166 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:11:03,167 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:11:03,298 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:11:03,299 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:11:03,299 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:11:03,300 INFO L158 Benchmark]: Toolchain (without parser) took 6563.99ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 106.3MB in the beginning and 124.1MB in the end (delta: -17.9MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2023-11-24 23:11:03,300 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:11:03,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1400.79ms. Allocated memory is still 153.1MB. Free memory was 106.3MB in the beginning and 80.2MB in the end (delta: 26.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-11-24 23:11:03,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.73ms. Allocated memory is still 153.1MB. Free memory was 80.2MB in the beginning and 76.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:11:03,301 INFO L158 Benchmark]: Boogie Preprocessor took 65.84ms. Allocated memory is still 153.1MB. Free memory was 76.9MB in the beginning and 75.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:11:03,302 INFO L158 Benchmark]: RCFGBuilder took 581.11ms. Allocated memory is still 153.1MB. Free memory was 75.1MB in the beginning and 55.0MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:11:03,302 INFO L158 Benchmark]: CodeCheck took 4239.43ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 55.0MB in the beginning and 130.4MB in the end (delta: -75.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:11:03,303 INFO L158 Benchmark]: Witness Printer took 149.93ms. Allocated memory is still 190.8MB. Free memory was 130.4MB in the beginning and 124.1MB in the end (delta: 6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:11:03,304 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, 63 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2588 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 888 mSDsluCounter, 2486 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 872 mSDsCounter, 450 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1718 IncrementalHoareTripleChecker+Invalid, 2168 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 450 mSolverCounterUnsat, 1614 mSDtfsCounter, 1718 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3809 GetRequests, 3733 SyntacticMatches, 10 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1764 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 442 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 423 ConstructedInterpolants, 0 QuantifiedInterpolants, 851 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 66/66 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: 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: 1662]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1400.79ms. Allocated memory is still 153.1MB. Free memory was 106.3MB in the beginning and 80.2MB in the end (delta: 26.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.73ms. Allocated memory is still 153.1MB. Free memory was 80.2MB in the beginning and 76.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.84ms. Allocated memory is still 153.1MB. Free memory was 76.9MB in the beginning and 75.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 581.11ms. Allocated memory is still 153.1MB. Free memory was 75.1MB in the beginning and 55.0MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 4239.43ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 55.0MB in the beginning and 130.4MB in the end (delta: -75.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 149.93ms. Allocated memory is still 190.8MB. Free memory was 130.4MB in the beginning and 124.1MB in the end (delta: 6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:11:03,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aeb4f3a-441a-4311-9c75-e615a0391296/bin/ukojak-verify-afCqCEvfdi/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