./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_21_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC --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 d7f9d7d4c8977417ecf38e55490dbd144e32344d515e9dc8d62fdb7c1a27da92 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:05:58,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:05:58,414 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:05:58,425 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:05:58,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:05:58,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:05:58,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:05:58,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:05:58,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:05:58,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:05:58,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:05:58,472 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:05:58,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:05:58,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:05:58,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:05:58,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:05:58,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:05:58,476 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:05:58,476 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:05:58,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:05:58,477 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:05:58,478 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:05:58,479 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:05:58,479 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:05:58,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:05:58,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:58,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:05:58,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:05:58,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:05:58,482 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:05:58,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:05:58,483 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:05:58,483 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_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7f9d7d4c8977417ecf38e55490dbd144e32344d515e9dc8d62fdb7c1a27da92 [2023-11-23 20:05:58,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:05:58,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:05:58,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:05:58,846 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:05:58,847 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:05:58,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_21_good.i [2023-11-23 20:06:01,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:06:02,399 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:06:02,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_21_good.i [2023-11-23 20:06:02,440 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC/data/f83e3b53d/3e4d1b1a12c348189fa4b8ae00a76551/FLAG28a6d56eb [2023-11-23 20:06:02,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC/data/f83e3b53d/3e4d1b1a12c348189fa4b8ae00a76551 [2023-11-23 20:06:02,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:06:02,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:06:02,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:02,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:06:02,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:06:02,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:02" (1/1) ... [2023-11-23 20:06:02,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db004c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:02, skipping insertion in model container [2023-11-23 20:06:02,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:02" (1/1) ... [2023-11-23 20:06:02,550 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:06:02,972 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:06:03,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:03,620 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:06:03,658 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:06:03,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:03,937 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:03,937 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:03,937 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:03,937 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:03,938 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:03,945 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:06:03,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:03 WrapperNode [2023-11-23 20:06:03,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:03,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:03,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:06:03,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:06:03,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:03" (1/1) ... [2023-11-23 20:06:03,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:03" (1/1) ... [2023-11-23 20:06:04,031 INFO L138 Inliner]: procedures = 505, calls = 80, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 100 [2023-11-23 20:06:04,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:04,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:06:04,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:06:04,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:06:04,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:03" (1/1) ... [2023-11-23 20:06:04,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:03" (1/1) ... [2023-11-23 20:06:04,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:03" (1/1) ... [2023-11-23 20:06:04,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:03" (1/1) ... [2023-11-23 20:06:04,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:03" (1/1) ... [2023-11-23 20:06:04,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:03" (1/1) ... [2023-11-23 20:06:04,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:03" (1/1) ... [2023-11-23 20:06:04,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:03" (1/1) ... [2023-11-23 20:06:04,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:06:04,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:06:04,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:06:04,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:06:04,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:03" (1/1) ... [2023-11-23 20:06:04,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:04,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:06:04,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:06:04,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:06:04,209 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:06:04,209 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:06:04,210 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:06:04,210 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:06:04,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:06:04,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:06:04,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:06:04,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:06:04,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:06:04,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:06:04,211 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:06:04,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:06:04,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:06:04,372 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:06:04,374 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:06:04,544 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:06:04,613 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:06:04,614 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:06:04,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:04 BoogieIcfgContainer [2023-11-23 20:06:04,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:06:04,616 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:06:04,616 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:06:04,626 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:06:04,627 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:04" (1/1) ... [2023-11-23 20:06:04,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:06:04,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:04,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2023-11-23 20:06:04,689 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-11-23 20:06:04,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:06:04,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:04,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:05,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:05,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2023-11-23 20:06:05,383 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2023-11-23 20:06:05,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:06:05,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:05,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:05,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:05,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:05,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-23 20:06:05,549 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-23 20:06:05,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:06:05,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:05,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 44 transitions. [2023-11-23 20:06:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-11-23 20:06:05,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:06:05,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:05,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:06,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:06,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 43 transitions. [2023-11-23 20:06:06,205 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2023-11-23 20:06:06,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:06:06,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:06,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:06,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:06,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 42 transitions. [2023-11-23 20:06:06,460 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2023-11-23 20:06:06,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:06:06,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:06,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:06,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:06,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 41 transitions. [2023-11-23 20:06:06,667 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-23 20:06:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:06:06,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:06,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:06,845 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:06,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:06,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 40 transitions. [2023-11-23 20:06:06,939 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2023-11-23 20:06:06,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:06:06,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:06,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:07,033 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:06:07,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:07,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 39 transitions. [2023-11-23 20:06:07,054 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2023-11-23 20:06:07,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:06:07,055 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-11-23 20:06:07,064 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-23 20:06:07,107 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:06:07,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:06:07 ImpRootNode [2023-11-23 20:06:07,112 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:06:07,113 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:06:07,113 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:06:07,113 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:06:07,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:04" (3/4) ... [2023-11-23 20:06:07,115 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:06:07,119 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:06:07,119 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:06:07,124 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-23 20:06:07,125 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-23 20:06:07,125 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:06:07,126 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:06:07,229 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:06:07,230 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:06:07,230 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:06:07,231 INFO L158 Benchmark]: Toolchain (without parser) took 4765.27ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 115.2MB in the beginning and 110.4MB in the end (delta: 4.8MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2023-11-23 20:06:07,231 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:06:07,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1477.58ms. Allocated memory is still 157.3MB. Free memory was 115.2MB in the beginning and 50.6MB in the end (delta: 64.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-23 20:06:07,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.01ms. Allocated memory is still 157.3MB. Free memory was 50.6MB in the beginning and 47.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:06:07,232 INFO L158 Benchmark]: Boogie Preprocessor took 32.83ms. Allocated memory is still 157.3MB. Free memory was 47.8MB in the beginning and 46.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:06:07,233 INFO L158 Benchmark]: RCFGBuilder took 549.92ms. Allocated memory is still 157.3MB. Free memory was 45.7MB in the beginning and 109.0MB in the end (delta: -63.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:06:07,233 INFO L158 Benchmark]: CodeCheck took 2495.78ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 109.0MB in the beginning and 116.6MB in the end (delta: -7.6MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-11-23 20:06:07,233 INFO L158 Benchmark]: Witness Printer took 117.66ms. Allocated memory is still 188.7MB. Free memory was 115.7MB in the beginning and 110.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:06:07,235 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, 39 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 368 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 232 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 130 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 278 IncrementalHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 130 mSolverCounterUnsat, 206 mSDtfsCounter, 278 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 779 GetRequests, 747 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 20/20 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1633]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1477.58ms. Allocated memory is still 157.3MB. Free memory was 115.2MB in the beginning and 50.6MB in the end (delta: 64.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.01ms. Allocated memory is still 157.3MB. Free memory was 50.6MB in the beginning and 47.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.83ms. Allocated memory is still 157.3MB. Free memory was 47.8MB in the beginning and 46.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.92ms. Allocated memory is still 157.3MB. Free memory was 45.7MB in the beginning and 109.0MB in the end (delta: -63.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 2495.78ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 109.0MB in the beginning and 116.6MB in the end (delta: -7.6MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Witness Printer took 117.66ms. Allocated memory is still 188.7MB. Free memory was 115.7MB in the beginning and 110.4MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:06:07,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bb4441b-cc11-41de-a728-3fb8b2fef250/bin/ukojak-verify-1t5iHCbJaC/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