./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2 --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 d7f3d41ec580b5c6d21a92e415a68047f7c5b57b2ecfe8c052da30348ee471ce --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:35:13,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:35:13,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:35:14,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:35:14,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:35:14,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:35:14,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:35:14,046 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:35:14,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:35:14,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:35:14,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:35:14,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:35:14,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:35:14,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:35:14,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:35:14,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:35:14,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:35:14,058 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:35:14,059 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:35:14,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:35:14,060 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:35:14,061 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:35:14,062 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:35:14,062 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:35:14,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:35:14,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:14,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:35:14,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:35:14,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:35:14,065 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:35:14,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:35:14,067 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:35:14,067 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_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7f3d41ec580b5c6d21a92e415a68047f7c5b57b2ecfe8c052da30348ee471ce [2023-11-21 18:35:14,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:35:14,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:35:14,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:35:14,405 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:35:14,406 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:35:14,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_65_good.i [2023-11-21 18:35:17,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:35:17,914 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:35:17,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_65_good.i [2023-11-21 18:35:17,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2/data/af883ebb2/9e2dcb2572e24a71a77cbab6f5acf403/FLAG5f777a30f [2023-11-21 18:35:17,969 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2/data/af883ebb2/9e2dcb2572e24a71a77cbab6f5acf403 [2023-11-21 18:35:17,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:35:17,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:35:17,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:17,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:35:17,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:35:17,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:17" (1/1) ... [2023-11-21 18:35:17,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784269f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:17, skipping insertion in model container [2023-11-21 18:35:17,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:17" (1/1) ... [2023-11-21 18:35:18,078 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:35:18,495 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:35:19,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:19,259 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:35:19,288 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:35:19,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:19,626 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:19,626 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:19,626 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:19,627 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:19,627 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:19,627 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:19,636 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:35:19,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19 WrapperNode [2023-11-21 18:35:19,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:19,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:19,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:35:19,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:35:19,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,760 INFO L138 Inliner]: procedures = 504, calls = 65, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 59 [2023-11-21 18:35:19,761 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:19,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:35:19,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:35:19,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:35:19,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:35:19,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:35:19,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:35:19,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:35:19,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:19" (1/1) ... [2023-11-21 18:35:19,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:19,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:35:19,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:35:19,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:35:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:35:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:35:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:35:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:35:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:35:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-21 18:35:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-21 18:35:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:35:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:35:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:35:19,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:35:20,120 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:35:20,123 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:35:20,276 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:35:20,353 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:35:20,353 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:35:20,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:20 BoogieIcfgContainer [2023-11-21 18:35:20,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:35:20,356 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:35:20,357 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:35:20,387 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:35:20,387 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:20" (1/1) ... [2023-11-21 18:35:20,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:35:20,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:20,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2023-11-21 18:35:20,522 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-11-21 18:35:20,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:35:20,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:20,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:21,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:21,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:21,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 40 states and 49 transitions. [2023-11-21 18:35:21,192 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-11-21 18:35:21,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:35:21,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:21,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:21,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:21,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2023-11-21 18:35:21,425 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-11-21 18:35:21,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:35:21,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:21,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:21,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:21,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:21,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 44 states and 53 transitions. [2023-11-21 18:35:21,632 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2023-11-21 18:35:21,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:35:21,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:21,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:21,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:21,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 45 states and 54 transitions. [2023-11-21 18:35:21,724 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2023-11-21 18:35:21,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:35:21,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:21,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:21,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:35:21,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:21,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 44 states and 53 transitions. [2023-11-21 18:35:21,849 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2023-11-21 18:35:21,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:35:21,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:21,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:22,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:22,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 47 transitions. [2023-11-21 18:35:22,439 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2023-11-21 18:35:22,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:35:22,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:22,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:22,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:22,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 46 transitions. [2023-11-21 18:35:22,643 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-11-21 18:35:22,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:35:22,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:22,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:22,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:22,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:22,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 45 transitions. [2023-11-21 18:35:22,935 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-11-21 18:35:22,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:35:22,936 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-11-21 18:35:22,946 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-21 18:35:23,060 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:35:23,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:35:23 ImpRootNode [2023-11-21 18:35:23,066 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:35:23,067 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:35:23,067 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:35:23,067 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:35:23,068 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:20" (3/4) ... [2023-11-21 18:35:23,070 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:35:23,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:35:23,073 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:35:23,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-11-21 18:35:23,081 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-21 18:35:23,081 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-21 18:35:23,082 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 18:35:23,083 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:35:23,200 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:35:23,200 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:35:23,200 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:35:23,201 INFO L158 Benchmark]: Toolchain (without parser) took 5224.01ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 161.8MB in the beginning and 143.2MB in the end (delta: 18.5MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-11-21 18:35:23,202 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:35:23,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1657.12ms. Allocated memory is still 192.9MB. Free memory was 161.6MB in the beginning and 99.0MB in the end (delta: 62.6MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2023-11-21 18:35:23,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.18ms. Allocated memory is still 192.9MB. Free memory was 99.0MB in the beginning and 96.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:35:23,203 INFO L158 Benchmark]: Boogie Preprocessor took 69.82ms. Allocated memory is still 192.9MB. Free memory was 96.0MB in the beginning and 94.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:35:23,204 INFO L158 Benchmark]: RCFGBuilder took 523.49ms. Allocated memory is still 192.9MB. Free memory was 94.0MB in the beginning and 148.2MB in the end (delta: -54.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:35:23,204 INFO L158 Benchmark]: CodeCheck took 2709.70ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 148.2MB in the beginning and 148.5MB in the end (delta: -299.9kB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2023-11-21 18:35:23,205 INFO L158 Benchmark]: Witness Printer took 133.93ms. Allocated memory is still 232.8MB. Free memory was 148.5MB in the beginning and 143.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:35:23,207 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 4 procedures, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 334 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 134 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 145 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 442 IncrementalHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 145 mSolverCounterUnsat, 134 mSDtfsCounter, 442 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1033 GetRequests, 997 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 212 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 13/13 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: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 103.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1657.12ms. Allocated memory is still 192.9MB. Free memory was 161.6MB in the beginning and 99.0MB in the end (delta: 62.6MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.18ms. Allocated memory is still 192.9MB. Free memory was 99.0MB in the beginning and 96.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.82ms. Allocated memory is still 192.9MB. Free memory was 96.0MB in the beginning and 94.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.49ms. Allocated memory is still 192.9MB. Free memory was 94.0MB in the beginning and 148.2MB in the end (delta: -54.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 2709.70ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 148.2MB in the beginning and 148.5MB in the end (delta: -299.9kB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Witness Printer took 133.93ms. Allocated memory is still 232.8MB. Free memory was 148.5MB in the beginning and 143.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:35:23,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f43b6a-70e5-4fec-a7e9-06f0e3da46c6/bin/ukojak-verify-i0I2FZA1j2/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