./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 74c552859a597fba4800bf0a6140f524188e6982c703766c820f69c9736dc048 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:24,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:24,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:48:24,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:48:24,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:48:24,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:24,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:24,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:24,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:24,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:24,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:24,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:24,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:48:24,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:24,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:24,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:24,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:24,650 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:48:24,650 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:24,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:24,651 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:24,652 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:24,652 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:24,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:24,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:24,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:24,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:24,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:24,656 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:48:24,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:48:24,658 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:24,658 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_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74c552859a597fba4800bf0a6140f524188e6982c703766c820f69c9736dc048 [2023-11-11 23:48:24,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:25,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:25,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:25,036 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:25,036 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:25,038 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_03_good.i [2023-11-11 23:48:28,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:28,572 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:28,573 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_03_good.i [2023-11-11 23:48:28,612 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV/data/2ea855530/68f44a3058d0421285ec16439a500616/FLAG22c250720 [2023-11-11 23:48:28,634 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV/data/2ea855530/68f44a3058d0421285ec16439a500616 [2023-11-11 23:48:28,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:28,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:28,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:28,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:28,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:28,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:28" (1/1) ... [2023-11-11 23:48:28,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@136be27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:28, skipping insertion in model container [2023-11-11 23:48:28,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:28" (1/1) ... [2023-11-11 23:48:28,736 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:29,143 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:48:29,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:29,739 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:29,759 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:48:29,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:30,025 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:30,028 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:30,028 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:30,028 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:30,029 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:30,036 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:30,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:30 WrapperNode [2023-11-11 23:48:30,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:30,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:30,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:30,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:30,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:30" (1/1) ... [2023-11-11 23:48:30,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:30" (1/1) ... [2023-11-11 23:48:30,155 INFO L138 Inliner]: procedures = 503, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 118 [2023-11-11 23:48:30,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:30,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:30,157 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:30,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:30,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:30" (1/1) ... [2023-11-11 23:48:30,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:30" (1/1) ... [2023-11-11 23:48:30,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:30" (1/1) ... [2023-11-11 23:48:30,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:30" (1/1) ... [2023-11-11 23:48:30,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:30" (1/1) ... [2023-11-11 23:48:30,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:30" (1/1) ... [2023-11-11 23:48:30,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:30" (1/1) ... [2023-11-11 23:48:30,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:30" (1/1) ... [2023-11-11 23:48:30,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:30,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:30,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:30,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:30,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:30" (1/1) ... [2023-11-11 23:48:30,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:30,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:30,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:30,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:48:30,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:48:30,310 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:48:30,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:48:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:48:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:30,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:48:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:48:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:48:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:48:30,474 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:30,476 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:30,686 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:30,774 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:30,774 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-11 23:48:30,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:30 BoogieIcfgContainer [2023-11-11 23:48:30,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:30,778 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:30,778 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:30,788 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:30,788 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:30" (1/1) ... [2023-11-11 23:48:30,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:48:30,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:30,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions. [2023-11-11 23:48:30,846 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-11-11 23:48:30,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:48:30,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:30,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:31,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:31,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:31,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 45 states and 57 transitions. [2023-11-11 23:48:31,542 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2023-11-11 23:48:31,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:48:31,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:31,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:48:31,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:31,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 56 transitions. [2023-11-11 23:48:31,779 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2023-11-11 23:48:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:48:31,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:31,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:32,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:48:32,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:32,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 43 states and 54 transitions. [2023-11-11 23:48:32,269 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2023-11-11 23:48:32,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:48:32,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:32,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:32,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:48:32,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:32,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 53 transitions. [2023-11-11 23:48:32,563 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2023-11-11 23:48:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:48:32,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:32,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:32,699 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:48:32,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:32,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 48 transitions. [2023-11-11 23:48:32,754 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-11 23:48:32,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:48:32,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:32,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:32,839 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:48:32,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:32,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 47 transitions. [2023-11-11 23:48:32,859 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-11 23:48:32,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:48:32,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:32,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:48:33,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 45 transitions. [2023-11-11 23:48:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-11-11 23:48:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:48:33,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:33,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:48:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:48:33,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:48:33,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:33,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 44 transitions. [2023-11-11 23:48:33,135 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2023-11-11 23:48:33,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:48:33,143 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-11-11 23:48:33,154 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-11 23:48:33,211 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:48:33,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:48:33 ImpRootNode [2023-11-11 23:48:33,216 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:48:33,217 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:48:33,217 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:48:33,217 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:48:33,218 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:30" (3/4) ... [2023-11-11 23:48:33,220 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:48:33,224 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:48:33,224 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:48:33,230 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-11 23:48:33,230 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-11 23:48:33,231 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-11 23:48:33,231 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:48:33,328 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:48:33,329 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:48:33,329 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:48:33,330 INFO L158 Benchmark]: Toolchain (without parser) took 4688.23ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 137.7MB in the beginning and 110.7MB in the end (delta: 27.0MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:33,330 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory was 98.6MB in the beginning and 98.5MB in the end (delta: 73.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:33,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1393.44ms. Allocated memory is still 174.1MB. Free memory was 137.7MB in the beginning and 138.2MB in the end (delta: -476.7kB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2023-11-11 23:48:33,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.96ms. Allocated memory is still 174.1MB. Free memory was 138.2MB in the beginning and 135.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:48:33,331 INFO L158 Benchmark]: Boogie Preprocessor took 58.49ms. Allocated memory is still 174.1MB. Free memory was 135.0MB in the beginning and 134.0MB in the end (delta: 940.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:33,332 INFO L158 Benchmark]: RCFGBuilder took 561.16ms. Allocated memory is still 174.1MB. Free memory was 134.0MB in the beginning and 113.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:48:33,332 INFO L158 Benchmark]: CodeCheck took 2438.60ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 113.1MB in the beginning and 117.0MB in the end (delta: -3.9MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2023-11-11 23:48:33,333 INFO L158 Benchmark]: Witness Printer took 112.30ms. Allocated memory is still 209.7MB. Free memory was 117.0MB in the beginning and 110.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:48:33,334 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, 47 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 407 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 136 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 108 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 412 IncrementalHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 108 mSolverCounterUnsat, 128 mSDtfsCounter, 412 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 970 GetRequests, 942 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 28/28 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory was 98.6MB in the beginning and 98.5MB in the end (delta: 73.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1393.44ms. Allocated memory is still 174.1MB. Free memory was 137.7MB in the beginning and 138.2MB in the end (delta: -476.7kB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.96ms. Allocated memory is still 174.1MB. Free memory was 138.2MB in the beginning and 135.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.49ms. Allocated memory is still 174.1MB. Free memory was 135.0MB in the beginning and 134.0MB in the end (delta: 940.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 561.16ms. Allocated memory is still 174.1MB. Free memory was 134.0MB in the beginning and 113.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 2438.60ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 113.1MB in the beginning and 117.0MB in the end (delta: -3.9MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Witness Printer took 112.30ms. Allocated memory is still 209.7MB. Free memory was 117.0MB in the beginning and 110.7MB 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! [2023-11-11 23:48:33,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2467d3b7-accd-4d22-a2a9-7bed2940dada/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE