./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9d228c73e9bb280a145779c6620e7e3557451cb163a0ff20f80c38a6902c4393 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:02:42,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:02:42,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:02:42,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:02:42,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:02:43,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:02:43,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:02:43,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:02:43,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:02:43,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:02:43,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:02:43,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:02:43,026 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:02:43,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:02:43,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:02:43,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:02:43,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:02:43,030 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:02:43,031 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:02:43,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:02:43,032 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:02:43,032 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:02:43,033 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:02:43,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:02:43,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:43,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:02:43,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:02:43,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:02:43,036 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:02:43,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:02:43,038 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:02:43,039 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_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d228c73e9bb280a145779c6620e7e3557451cb163a0ff20f80c38a6902c4393 [2023-11-12 00:02:43,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:02:43,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:02:43,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:02:43,390 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:02:43,392 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:02:43,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_17_good.i [2023-11-12 00:02:46,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:02:46,892 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:02:46,900 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_17_good.i [2023-11-12 00:02:46,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV/data/94bd991aa/806b9d75253246219ba706288481fce6/FLAG153debb48 [2023-11-12 00:02:46,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV/data/94bd991aa/806b9d75253246219ba706288481fce6 [2023-11-12 00:02:46,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:02:46,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:02:46,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:46,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:02:46,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:02:46,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:46" (1/1) ... [2023-11-12 00:02:46,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be70769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:46, skipping insertion in model container [2023-11-12 00:02:46,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:46" (1/1) ... [2023-11-12 00:02:47,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:02:47,491 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:02:48,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:48,282 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:02:48,309 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:02:48,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:48,629 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:48,630 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:48,630 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:48,630 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:48,630 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:48,638 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:02:48,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:48 WrapperNode [2023-11-12 00:02:48,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:48,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:48,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:02:48,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:02:48,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:48" (1/1) ... [2023-11-12 00:02:48,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:48" (1/1) ... [2023-11-12 00:02:48,758 INFO L138 Inliner]: procedures = 501, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 107 [2023-11-12 00:02:48,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:48,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:02:48,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:02:48,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:02:48,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:48" (1/1) ... [2023-11-12 00:02:48,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:48" (1/1) ... [2023-11-12 00:02:48,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:48" (1/1) ... [2023-11-12 00:02:48,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:48" (1/1) ... [2023-11-12 00:02:48,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:48" (1/1) ... [2023-11-12 00:02:48,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:48" (1/1) ... [2023-11-12 00:02:48,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:48" (1/1) ... [2023-11-12 00:02:48,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:48" (1/1) ... [2023-11-12 00:02:48,800 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:02:48,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:02:48,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:02:48,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:02:48,803 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:48" (1/1) ... [2023-11-12 00:02:48,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:48,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:02:48,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:02:48,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:02:48,903 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-12 00:02:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-12 00:02:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:02:48,905 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:02:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:02:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:02:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:02:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:02:48,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:02:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:02:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:02:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:02:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:02:49,227 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:02:49,229 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:02:49,430 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:02:49,487 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:02:49,488 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:02:49,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:49 BoogieIcfgContainer [2023-11-12 00:02:49,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:02:49,492 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:02:49,492 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:02:49,502 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:02:49,503 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:49" (1/1) ... [2023-11-12 00:02:49,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:02:49,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:49,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2023-11-12 00:02:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2023-11-12 00:02:49,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:02:49,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:49,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:50,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:50,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:50,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2023-11-12 00:02:50,065 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-12 00:02:50,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:02:50,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:50,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:50,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:50,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:50,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2023-11-12 00:02:50,289 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2023-11-12 00:02:50,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:02:50,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:50,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:50,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:50,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:50,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2023-11-12 00:02:50,594 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-12 00:02:50,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:02:50,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:50,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:50,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:02:50,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:50,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2023-11-12 00:02:50,730 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2023-11-12 00:02:50,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:02:50,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:50,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:50,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:02:50,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:50,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2023-11-12 00:02:50,981 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-11-12 00:02:50,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:02:50,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:50,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:51,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:02:51,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:51,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 50 states and 62 transitions. [2023-11-12 00:02:51,434 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-11-12 00:02:51,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:02:51,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:51,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:02:51,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:51,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2023-11-12 00:02:51,588 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-11-12 00:02:51,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:02:51,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:51,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:02:52,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:52,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2023-11-12 00:02:52,178 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-11-12 00:02:52,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:02:52,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:52,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:52,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:02:52,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:52,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2023-11-12 00:02:52,524 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2023-11-12 00:02:52,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:02:52,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:52,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:02:52,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:52,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2023-11-12 00:02:52,813 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2023-11-12 00:02:52,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:02:52,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:52,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:52,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:02:52,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:52,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2023-11-12 00:02:52,902 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-12 00:02:52,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:02:52,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:52,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:02:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2023-11-12 00:02:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2023-11-12 00:02:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:02:53,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:53,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:53,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:02:53,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:53,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 55 transitions. [2023-11-12 00:02:53,720 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-12 00:02:53,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:02:53,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:53,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:02:54,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:54,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 49 transitions. [2023-11-12 00:02:54,040 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2023-11-12 00:02:54,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:02:54,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:54,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:02:54,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:54,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 46 states and 54 transitions. [2023-11-12 00:02:54,668 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2023-11-12 00:02:54,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:02:54,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:54,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:54,786 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:02:55,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:55,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 50 states and 60 transitions. [2023-11-12 00:02:55,486 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-12 00:02:55,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-12 00:02:55,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:55,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:02:56,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:56,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 58 states and 73 transitions. [2023-11-12 00:02:56,423 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2023-11-12 00:02:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-12 00:02:56,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:56,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:56,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:02:56,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:56,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 76 transitions. [2023-11-12 00:02:56,544 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-12 00:02:56,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-12 00:02:56,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:56,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:56,634 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:02:57,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:57,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 82 transitions. [2023-11-12 00:02:57,143 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2023-11-12 00:02:57,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-12 00:02:57,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:57,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:57,203 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:02:57,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:57,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 70 states and 87 transitions. [2023-11-12 00:02:57,619 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2023-11-12 00:02:57,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-12 00:02:57,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:57,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:57,759 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:02:58,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:58,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 40 states and 44 transitions. [2023-11-12 00:02:58,102 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2023-11-12 00:02:58,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:02:58,102 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2023-11-12 00:02:58,111 INFO L753 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2023-11-12 00:02:58,231 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-12 00:02:58,238 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:02:58,239 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:02:58,239 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-11-12 00:02:58,241 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:02:58,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:02:58 ImpRootNode [2023-11-12 00:02:58,241 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:02:58,242 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:02:58,242 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:02:58,242 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:02:58,243 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:49" (3/4) ... [2023-11-12 00:02:58,245 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:02:58,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-12 00:02:58,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-12 00:02:58,255 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-12 00:02:58,256 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-12 00:02:58,256 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 00:02:58,257 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:02:58,397 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:02:58,398 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-12 00:02:58,398 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:02:58,399 INFO L158 Benchmark]: Toolchain (without parser) took 11430.53ms. Allocated memory was 180.4MB in the beginning and 228.6MB in the end (delta: 48.2MB). Free memory was 146.0MB in the beginning and 128.1MB in the end (delta: 17.9MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2023-11-12 00:02:58,399 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:58,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1667.28ms. Allocated memory is still 180.4MB. Free memory was 146.0MB in the beginning and 142.2MB in the end (delta: 3.8MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2023-11-12 00:02:58,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.20ms. Allocated memory is still 180.4MB. Free memory was 142.2MB in the beginning and 138.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:02:58,401 INFO L158 Benchmark]: Boogie Preprocessor took 40.84ms. Allocated memory is still 180.4MB. Free memory was 138.8MB in the beginning and 137.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:58,401 INFO L158 Benchmark]: RCFGBuilder took 689.38ms. Allocated memory is still 180.4MB. Free memory was 137.6MB in the beginning and 135.5MB in the end (delta: 2.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-12 00:02:58,402 INFO L158 Benchmark]: CodeCheck took 8749.98ms. Allocated memory was 180.4MB in the beginning and 228.6MB in the end (delta: 48.2MB). Free memory was 135.5MB in the beginning and 133.2MB in the end (delta: 2.3MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2023-11-12 00:02:58,402 INFO L158 Benchmark]: Witness Printer took 155.99ms. Allocated memory is still 228.6MB. Free memory was 133.2MB in the beginning and 128.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:02:58,404 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, 48 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 8.6s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1255 SdHoareTripleChecker+Valid, 5.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 537 mSDsluCounter, 617 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 214 mSDsCounter, 767 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2789 IncrementalHoareTripleChecker+Invalid, 3556 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 767 mSolverCounterUnsat, 403 mSDtfsCounter, 2789 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3092 GetRequests, 2962 SyntacticMatches, 20 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3570 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 412 NumberOfCodeBlocks, 412 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 391 ConstructedInterpolants, 0 QuantifiedInterpolants, 757 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 17 PerfectInterpolantSequences, 58/62 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: ((1 <= i) || (i == 0)) - InvariantResult [Line: 1601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: ((h == 0) || (((1 <= h) && ((data + 2) <= 0)) && (0 <= (data + 2)))) - InvariantResult [Line: 1582]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1667.28ms. Allocated memory is still 180.4MB. Free memory was 146.0MB in the beginning and 142.2MB in the end (delta: 3.8MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.20ms. Allocated memory is still 180.4MB. Free memory was 142.2MB in the beginning and 138.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.84ms. Allocated memory is still 180.4MB. Free memory was 138.8MB in the beginning and 137.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 689.38ms. Allocated memory is still 180.4MB. Free memory was 137.6MB in the beginning and 135.5MB in the end (delta: 2.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * CodeCheck took 8749.98ms. Allocated memory was 180.4MB in the beginning and 228.6MB in the end (delta: 48.2MB). Free memory was 135.5MB in the beginning and 133.2MB in the end (delta: 2.3MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * Witness Printer took 155.99ms. Allocated memory is still 228.6MB. Free memory was 133.2MB in the beginning and 128.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-12 00:02:58,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b388348b-bcc6-4b49-bbcb-6cded278b891/bin/ukojak-verify-0OAaufAVZV/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