./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_06_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_06_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9 --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 bdf9d65ad696e8dfb5100422e93e2b3ba420fc1a62f743a5aadda294f5811fc0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:43:00,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:43:00,230 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:43:00,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:43:00,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:43:00,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:43:00,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:43:00,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:43:00,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:43:00,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:43:00,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:43:00,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:43:00,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:43:00,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:43:00,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:43:00,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:43:00,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:43:00,264 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:43:00,264 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:43:00,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:43:00,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:43:00,266 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:43:00,267 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:43:00,267 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:43:00,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:43:00,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:43:00,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:43:00,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:43:00,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:43:00,270 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:43:00,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:43:00,271 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:43:00,278 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_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdf9d65ad696e8dfb5100422e93e2b3ba420fc1a62f743a5aadda294f5811fc0 [2023-12-02 22:43:00,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:43:00,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:43:00,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:43:00,546 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:43:00,547 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:43:00,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_06_good.i [2023-12-02 22:43:03,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:43:03,631 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:43:03,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_06_good.i [2023-12-02 22:43:03,657 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9/data/c06985383/1b8fd09fafd347fdb798c093e2685c30/FLAGb091a7a74 [2023-12-02 22:43:03,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9/data/c06985383/1b8fd09fafd347fdb798c093e2685c30 [2023-12-02 22:43:03,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:43:03,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:43:03,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:43:03,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:43:03,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:43:03,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:43:03" (1/1) ... [2023-12-02 22:43:03,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28076b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:03, skipping insertion in model container [2023-12-02 22:43:03,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:43:03" (1/1) ... [2023-12-02 22:43:03,749 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:43:04,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:43:04,536 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:43:04,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:43:04,770 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:43:04,771 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:43:04,771 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:43:04,771 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:43:04,771 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:43:04,779 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:43:04,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:04 WrapperNode [2023-12-02 22:43:04,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:43:04,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:43:04,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:43:04,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:43:04,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:04" (1/1) ... [2023-12-02 22:43:04,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:04" (1/1) ... [2023-12-02 22:43:04,848 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 132 [2023-12-02 22:43:04,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:43:04,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:43:04,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:43:04,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:43:04,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:04" (1/1) ... [2023-12-02 22:43:04,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:04" (1/1) ... [2023-12-02 22:43:04,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:04" (1/1) ... [2023-12-02 22:43:04,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:04" (1/1) ... [2023-12-02 22:43:04,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:04" (1/1) ... [2023-12-02 22:43:04,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:04" (1/1) ... [2023-12-02 22:43:04,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:04" (1/1) ... [2023-12-02 22:43:04,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:04" (1/1) ... [2023-12-02 22:43:04,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:43:04,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:43:04,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:43:04,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:43:04,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:43:04" (1/1) ... [2023-12-02 22:43:04,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:43:04,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:43:04,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:43:04,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:43:04,953 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 22:43:04,953 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 22:43:04,953 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:43:04,953 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:43:04,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:43:04,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:43:04,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 22:43:04,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:43:04,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:43:04,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:43:04,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:43:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:43:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:43:05,096 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:43:05,099 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:43:05,316 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:43:05,356 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:43:05,356 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:43:05,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:43:05 BoogieIcfgContainer [2023-12-02 22:43:05,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:43:05,359 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:43:05,359 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:43:05,367 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:43:05,368 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:43:05" (1/1) ... [2023-12-02 22:43:05,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:43:05,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:05,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 67 states and 91 transitions. [2023-12-02 22:43:05,418 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2023-12-02 22:43:05,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:43:05,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:05,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:05,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:43:05,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 90 transitions. [2023-12-02 22:43:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2023-12-02 22:43:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:43:05,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:05,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:05,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:43:05,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:05,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 66 states and 89 transitions. [2023-12-02 22:43:05,803 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2023-12-02 22:43:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:43:05,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:05,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:43:05,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:05,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 88 transitions. [2023-12-02 22:43:05,946 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2023-12-02 22:43:05,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 22:43:05,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:05,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:06,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:43:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:06,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 94 transitions. [2023-12-02 22:43:06,050 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2023-12-02 22:43:06,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:43:06,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:06,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:06,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:43:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:06,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 93 transitions. [2023-12-02 22:43:06,151 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2023-12-02 22:43:06,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:43:06,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:06,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:06,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:43:06,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:06,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 92 transitions. [2023-12-02 22:43:06,290 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2023-12-02 22:43:06,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:43:06,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:06,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:06,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:43:06,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:06,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 94 transitions. [2023-12-02 22:43:06,353 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2023-12-02 22:43:06,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:43:06,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:06,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:06,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:43:06,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:06,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 72 states and 99 transitions. [2023-12-02 22:43:06,451 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2023-12-02 22:43:06,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 22:43:06,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:06,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:06,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:43:06,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:06,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 105 transitions. [2023-12-02 22:43:06,619 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2023-12-02 22:43:06,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:43:06,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:06,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:06,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:43:06,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:06,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 79 states and 109 transitions. [2023-12-02 22:43:06,773 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2023-12-02 22:43:06,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 22:43:06,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:06,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:06,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:43:06,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:06,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 79 states and 108 transitions. [2023-12-02 22:43:06,902 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2023-12-02 22:43:06,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:43:06,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:06,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:06,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:43:06,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:06,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 106 transitions. [2023-12-02 22:43:06,957 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2023-12-02 22:43:06,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:43:06,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:06,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:43:07,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:07,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 74 states and 99 transitions. [2023-12-02 22:43:07,019 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 99 transitions. [2023-12-02 22:43:07,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:43:07,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:07,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:07,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:43:07,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:07,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 71 states and 95 transitions. [2023-12-02 22:43:07,189 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2023-12-02 22:43:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 22:43:07,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:07,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:43:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:07,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 71 states and 94 transitions. [2023-12-02 22:43:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2023-12-02 22:43:07,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 22:43:07,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:07,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:43:07,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:07,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 74 states and 101 transitions. [2023-12-02 22:43:07,662 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2023-12-02 22:43:07,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 22:43:07,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:07,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:07,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:43:07,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:07,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 56 states and 71 transitions. [2023-12-02 22:43:07,860 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2023-12-02 22:43:07,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 22:43:07,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:07,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:07,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:43:08,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:08,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 55 states and 70 transitions. [2023-12-02 22:43:08,058 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2023-12-02 22:43:08,058 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:43:08,059 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2023-12-02 22:43:08,067 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-02 22:43:08,172 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:43:08,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:43:08 ImpRootNode [2023-12-02 22:43:08,184 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:43:08,185 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:43:08,185 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:43:08,185 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:43:08,186 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:43:05" (3/4) ... [2023-12-02 22:43:08,188 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:43:08,191 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 22:43:08,191 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 22:43:08,198 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-12-02 22:43:08,198 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-02 22:43:08,199 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 22:43:08,199 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:43:08,200 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:43:08,310 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:43:08,310 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:43:08,310 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:43:08,311 INFO L158 Benchmark]: Toolchain (without parser) took 4635.38ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 88.4MB in the beginning and 57.0MB in the end (delta: 31.4MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2023-12-02 22:43:08,312 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 127.9MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:43:08,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1102.78ms. Allocated memory is still 127.9MB. Free memory was 88.0MB in the beginning and 65.0MB in the end (delta: 23.0MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2023-12-02 22:43:08,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.34ms. Allocated memory is still 127.9MB. Free memory was 65.0MB in the beginning and 61.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:43:08,313 INFO L158 Benchmark]: Boogie Preprocessor took 32.20ms. Allocated memory is still 127.9MB. Free memory was 61.8MB in the beginning and 59.8MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:43:08,313 INFO L158 Benchmark]: RCFGBuilder took 475.62ms. Allocated memory is still 127.9MB. Free memory was 59.8MB in the beginning and 83.5MB in the end (delta: -23.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2023-12-02 22:43:08,314 INFO L158 Benchmark]: CodeCheck took 2825.57ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 83.5MB in the beginning and 63.3MB in the end (delta: 20.2MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2023-12-02 22:43:08,314 INFO L158 Benchmark]: Witness Printer took 125.78ms. Allocated memory is still 157.3MB. Free memory was 63.3MB in the beginning and 57.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 22:43:08,316 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, 67 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2473 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 820 mSDsluCounter, 2111 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 644 mSDsCounter, 406 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1530 IncrementalHoareTripleChecker+Invalid, 1936 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 406 mSolverCounterUnsat, 1467 mSDtfsCounter, 1530 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3535 GetRequests, 3485 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 410 NumberOfCodeBlocks, 410 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 392 ConstructedInterpolants, 0 QuantifiedInterpolants, 768 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 34/34 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: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1577]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1637]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1637]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1654]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1654]: 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: 1671]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 127.9MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1102.78ms. Allocated memory is still 127.9MB. Free memory was 88.0MB in the beginning and 65.0MB in the end (delta: 23.0MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.34ms. Allocated memory is still 127.9MB. Free memory was 65.0MB in the beginning and 61.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.20ms. Allocated memory is still 127.9MB. Free memory was 61.8MB in the beginning and 59.8MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 475.62ms. Allocated memory is still 127.9MB. Free memory was 59.8MB in the beginning and 83.5MB in the end (delta: -23.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * CodeCheck took 2825.57ms. Allocated memory was 127.9MB in the beginning and 157.3MB in the end (delta: 29.4MB). Free memory was 83.5MB in the beginning and 63.3MB in the end (delta: 20.2MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * Witness Printer took 125.78ms. Allocated memory is still 157.3MB. Free memory was 63.3MB in the beginning and 57.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 22:43:08,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5921b9cd-887c-4542-973d-e56a786f105f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE