./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_53_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_53_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9 --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 6c9979b0f0d3578c6688306667a5e19118a10ca2a38b4a5e726f8df38d65c595 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:05:55,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:05:56,004 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:05:56,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:05:56,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:05:56,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:05:56,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:05:56,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:05:56,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:05:56,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:05:56,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:05:56,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:05:56,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:05:56,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:05:56,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:05:56,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:05:56,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:05:56,042 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:05:56,042 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:05:56,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:05:56,043 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:05:56,047 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:05:56,048 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:05:56,048 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:05:56,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:05:56,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:05:56,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:05:56,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:05:56,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:05:56,051 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:05:56,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:05:56,052 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:05:56,052 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_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c9979b0f0d3578c6688306667a5e19118a10ca2a38b4a5e726f8df38d65c595 [2023-12-03 04:05:56,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:05:56,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:05:56,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:05:56,303 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:05:56,304 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:05:56,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_53_good.i [2023-12-03 04:05:59,128 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:05:59,424 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:05:59,424 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_53_good.i [2023-12-03 04:05:59,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9/data/9773080b4/ca775ffa27f74731b799c776571f8107/FLAGfd51dce2d [2023-12-03 04:05:59,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9/data/9773080b4/ca775ffa27f74731b799c776571f8107 [2023-12-03 04:05:59,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:05:59,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:05:59,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:05:59,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:05:59,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:05:59,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:05:59" (1/1) ... [2023-12-03 04:05:59,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4acc6913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:05:59, skipping insertion in model container [2023-12-03 04:05:59,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:05:59" (1/1) ... [2023-12-03 04:05:59,767 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:06:00,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:06:00,509 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:06:00,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:06:00,734 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:06:00,734 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:06:00,735 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:06:00,735 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:06:00,740 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:06:00,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:00 WrapperNode [2023-12-03 04:06:00,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:06:00,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:06:00,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:06:00,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:06:00,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:00" (1/1) ... [2023-12-03 04:06:00,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:00" (1/1) ... [2023-12-03 04:06:00,802 INFO L138 Inliner]: procedures = 506, calls = 71, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 78 [2023-12-03 04:06:00,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:06:00,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:06:00,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:06:00,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:06:00,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:00" (1/1) ... [2023-12-03 04:06:00,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:00" (1/1) ... [2023-12-03 04:06:00,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:00" (1/1) ... [2023-12-03 04:06:00,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:00" (1/1) ... [2023-12-03 04:06:00,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:00" (1/1) ... [2023-12-03 04:06:00,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:00" (1/1) ... [2023-12-03 04:06:00,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:00" (1/1) ... [2023-12-03 04:06:00,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:00" (1/1) ... [2023-12-03 04:06:00,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:06:00,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:06:00,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:06:00,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:06:00,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:00" (1/1) ... [2023-12-03 04:06:00,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:06:00,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:06:00,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:06:00,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:06:00,890 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-03 04:06:00,890 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-03 04:06:00,890 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:06:00,890 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:06:00,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:06:00,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:06:00,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:06:00,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:06:00,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:06:00,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:06:00,891 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:06:00,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:06:00,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:06:01,035 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:06:01,038 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:06:01,167 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:06:01,224 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:06:01,225 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:06:01,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:06:01 BoogieIcfgContainer [2023-12-03 04:06:01,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:06:01,227 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:06:01,228 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:06:01,237 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:06:01,238 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:06:01" (1/1) ... [2023-12-03 04:06:01,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:06:01,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:01,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-12-03 04:06:01,287 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-12-03 04:06:01,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:06:01,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:01,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:01,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:06:01,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:01,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2023-12-03 04:06:01,600 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-12-03 04:06:01,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:06:01,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:01,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:01,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:06:01,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:01,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-12-03 04:06:01,716 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-12-03 04:06:01,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:06:01,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:01,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:06:01,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:01,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2023-12-03 04:06:01,964 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-12-03 04:06:01,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 04:06:01,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:01,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:06:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2023-12-03 04:06:02,088 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-12-03 04:06:02,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:06:02,089 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-12-03 04:06:02,097 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-03 04:06:02,120 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:06:02,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:06:02 ImpRootNode [2023-12-03 04:06:02,125 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:06:02,125 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:06:02,125 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:06:02,126 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:06:02,126 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:06:01" (3/4) ... [2023-12-03 04:06:02,128 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:06:02,131 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-03 04:06:02,131 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-03 04:06:02,136 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-12-03 04:06:02,137 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-03 04:06:02,137 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 04:06:02,137 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:06:02,237 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:06:02,238 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:06:02,238 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:06:02,239 INFO L158 Benchmark]: Toolchain (without parser) took 2550.21ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 105.6MB in the beginning and 99.7MB in the end (delta: 5.9MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2023-12-03 04:06:02,239 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 151.0MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:06:02,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1051.76ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 105.6MB in the beginning and 132.8MB in the end (delta: -27.2MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2023-12-03 04:06:02,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.50ms. Allocated memory is still 188.7MB. Free memory was 132.6MB in the beginning and 129.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:06:02,241 INFO L158 Benchmark]: Boogie Preprocessor took 26.17ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 127.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:06:02,241 INFO L158 Benchmark]: RCFGBuilder took 397.04ms. Allocated memory is still 188.7MB. Free memory was 127.4MB in the beginning and 109.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:06:02,241 INFO L158 Benchmark]: CodeCheck took 897.30ms. Allocated memory is still 188.7MB. Free memory was 109.7MB in the beginning and 104.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2023-12-03 04:06:02,242 INFO L158 Benchmark]: Witness Printer took 112.57ms. Allocated memory is still 188.7MB. Free memory was 104.9MB in the beginning and 99.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:06:02,244 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, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 90 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 36 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1574]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 151.0MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1051.76ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 105.6MB in the beginning and 132.8MB in the end (delta: -27.2MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.50ms. Allocated memory is still 188.7MB. Free memory was 132.6MB in the beginning and 129.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.17ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 127.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 397.04ms. Allocated memory is still 188.7MB. Free memory was 127.4MB in the beginning and 109.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 897.30ms. Allocated memory is still 188.7MB. Free memory was 109.7MB in the beginning and 104.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Witness Printer took 112.57ms. Allocated memory is still 188.7MB. Free memory was 104.9MB in the beginning and 99.7MB 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! [2023-12-03 04:06:02,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_889ec3d4-f183-49fd-8894-423850448bc1/bin/ukojak-verify-Qdu7aM0XO9/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