./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7568040942daf0fdb5c1c97bb54f649b900f8764060561eea9b9269426b5697e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:00,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:00,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:55:00,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:00,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:00,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:00,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:00,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:00,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:00,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:00,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:00,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:00,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:00,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:00,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:00,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:00,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:00,618 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:55:00,618 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:00,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:00,620 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:00,620 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:00,621 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:00,622 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:00,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:00,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:00,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:00,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:00,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:00,625 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:00,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:00,626 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:00,627 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_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7568040942daf0fdb5c1c97bb54f649b900f8764060561eea9b9269426b5697e [2023-11-24 22:55:00,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:00,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:00,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:00,952 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:00,953 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:00,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_good.i [2023-11-24 22:55:04,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:04,578 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:04,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_21_good.i [2023-11-24 22:55:04,607 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi/data/ee22d813f/d28bff2952cb465d854390a8447645a4/FLAG468c545b8 [2023-11-24 22:55:04,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi/data/ee22d813f/d28bff2952cb465d854390a8447645a4 [2023-11-24 22:55:04,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:04,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:04,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:04,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:04,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:04,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:04" (1/1) ... [2023-11-24 22:55:04,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550f0e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:04, skipping insertion in model container [2023-11-24 22:55:04,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:04" (1/1) ... [2023-11-24 22:55:04,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:05,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:05,764 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:05,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:06,107 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:06,108 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:06,108 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:06,108 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:06,108 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:06,116 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:06,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06 WrapperNode [2023-11-24 22:55:06,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:06,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:06,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:06,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:06,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,187 INFO L138 Inliner]: procedures = 505, calls = 85, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 124 [2023-11-24 22:55:06,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:06,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:06,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:06,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:06,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,221 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,224 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:06,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:06,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:06,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:06,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:06,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:06,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:06,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:55:06,325 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:55:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:55:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:55:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:55:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:55:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:06,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:55:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:06,500 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:06,502 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:06,717 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:06,765 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:06,766 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:55:06,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:06 BoogieIcfgContainer [2023-11-24 22:55:06,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:06,768 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:06,769 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:06,779 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:06,780 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:06" (1/1) ... [2023-11-24 22:55:06,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:06,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:06,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2023-11-24 22:55:06,850 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2023-11-24 22:55:06,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:55:06,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:06,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:07,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:07,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:07,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2023-11-24 22:55:07,309 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2023-11-24 22:55:07,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:55:07,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:07,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:07,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:07,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:07,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2023-11-24 22:55:07,527 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2023-11-24 22:55:07,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:55:07,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:07,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:07,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:07,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:07,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 50 states and 67 transitions. [2023-11-24 22:55:07,672 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2023-11-24 22:55:07,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:07,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:07,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:07,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:07,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 49 states and 66 transitions. [2023-11-24 22:55:07,838 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2023-11-24 22:55:07,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:07,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:07,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:07,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:07,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2023-11-24 22:55:07,969 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2023-11-24 22:55:07,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:55:07,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:07,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:08,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2023-11-24 22:55:08,179 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2023-11-24 22:55:08,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:55:08,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:08,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:08,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:08,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:08,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2023-11-24 22:55:08,335 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2023-11-24 22:55:08,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:55:08,336 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-24 22:55:08,345 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-24 22:55:08,391 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:55:08,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:55:08 ImpRootNode [2023-11-24 22:55:08,396 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:55:08,397 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:55:08,397 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:55:08,397 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:55:08,398 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:06" (3/4) ... [2023-11-24 22:55:08,400 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:55:08,404 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:55:08,404 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:55:08,411 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-24 22:55:08,411 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-24 22:55:08,412 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:55:08,412 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:55:08,413 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:55:08,521 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:55:08,522 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:55:08,522 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:55:08,522 INFO L158 Benchmark]: Toolchain (without parser) took 3894.42ms. Allocated memory is still 174.1MB. Free memory was 125.8MB in the beginning and 124.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2023-11-24 22:55:08,523 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory was 88.1MB in the beginning and 88.0MB in the end (delta: 26.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:08,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1487.59ms. Allocated memory is still 174.1MB. Free memory was 125.8MB in the beginning and 104.4MB in the end (delta: 21.4MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-11-24 22:55:08,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.87ms. Allocated memory is still 174.1MB. Free memory was 104.4MB in the beginning and 101.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:55:08,524 INFO L158 Benchmark]: Boogie Preprocessor took 43.92ms. Allocated memory is still 174.1MB. Free memory was 101.1MB in the beginning and 99.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:08,525 INFO L158 Benchmark]: RCFGBuilder took 534.39ms. Allocated memory is still 174.1MB. Free memory was 99.0MB in the beginning and 79.2MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:55:08,525 INFO L158 Benchmark]: CodeCheck took 1627.57ms. Allocated memory is still 174.1MB. Free memory was 79.2MB in the beginning and 131.0MB in the end (delta: -51.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:08,525 INFO L158 Benchmark]: Witness Printer took 125.10ms. Allocated memory is still 174.1MB. Free memory was 131.0MB in the beginning and 124.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:55:08,527 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, 53 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 422 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 252 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 255 IncrementalHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 248 mSDtfsCounter, 255 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 909 GetRequests, 893 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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: 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: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1599]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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: 1657]: 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 119.5MB. Free memory was 88.1MB in the beginning and 88.0MB in the end (delta: 26.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1487.59ms. Allocated memory is still 174.1MB. Free memory was 125.8MB in the beginning and 104.4MB in the end (delta: 21.4MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.87ms. Allocated memory is still 174.1MB. Free memory was 104.4MB in the beginning and 101.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.92ms. Allocated memory is still 174.1MB. Free memory was 101.1MB in the beginning and 99.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 534.39ms. Allocated memory is still 174.1MB. Free memory was 99.0MB in the beginning and 79.2MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1627.57ms. Allocated memory is still 174.1MB. Free memory was 79.2MB in the beginning and 131.0MB in the end (delta: -51.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 125.10ms. Allocated memory is still 174.1MB. Free memory was 131.0MB in the beginning and 124.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:55:08,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c82d01b4-12e9-404c-b7e5-d1b760b0f902/bin/ukojak-verify-afCqCEvfdi/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