./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_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_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/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_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_53_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/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_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/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 56a394e37d01d57f496b05cb0c8f4498ad219e3a043a930b4aa30561c2bea270 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:06,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:06,783 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:02:06,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:06,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:06,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:06,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:06,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:06,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:06,823 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:06,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:06,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:06,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:06,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:06,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:06,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:06,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:06,836 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:02:06,836 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:06,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:06,838 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:06,838 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:06,840 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:06,841 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:06,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:06,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:06,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:06,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:06,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:06,844 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:06,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:06,846 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:06,846 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_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56a394e37d01d57f496b05cb0c8f4498ad219e3a043a930b4aa30561c2bea270 [2023-11-24 23:02:07,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:07,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:07,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:07,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:07,211 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:07,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_53_good.i [2023-11-24 23:02:10,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:10,862 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:10,863 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_53_good.i [2023-11-24 23:02:10,894 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/bin/ukojak-verify-afCqCEvfdi/data/7ae347afe/91ea10bd18fc4dbd8b93ab3f46fb9e26/FLAG839871157 [2023-11-24 23:02:10,909 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/bin/ukojak-verify-afCqCEvfdi/data/7ae347afe/91ea10bd18fc4dbd8b93ab3f46fb9e26 [2023-11-24 23:02:10,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:10,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:10,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:10,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:10,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:10,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:10" (1/1) ... [2023-11-24 23:02:10,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3643d560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:10, skipping insertion in model container [2023-11-24 23:02:10,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:10" (1/1) ... [2023-11-24 23:02:11,003 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:12,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:12,116 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:12,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:12,415 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:12,416 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:12,416 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:12,416 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:12,424 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:12,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:12 WrapperNode [2023-11-24 23:02:12,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:12,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:12,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:12,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:12,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:12" (1/1) ... [2023-11-24 23:02:12,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:12" (1/1) ... [2023-11-24 23:02:12,521 INFO L138 Inliner]: procedures = 506, calls = 66, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 70 [2023-11-24 23:02:12,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:12,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:12,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:12,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:12,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:12" (1/1) ... [2023-11-24 23:02:12,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:12" (1/1) ... [2023-11-24 23:02:12,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:12" (1/1) ... [2023-11-24 23:02:12,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:12" (1/1) ... [2023-11-24 23:02:12,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:12" (1/1) ... [2023-11-24 23:02:12,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:12" (1/1) ... [2023-11-24 23:02:12,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:12" (1/1) ... [2023-11-24 23:02:12,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:12" (1/1) ... [2023-11-24 23:02:12,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:12,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:12,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:12,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:12,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:12" (1/1) ... [2023-11-24 23:02:12,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:12,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:12,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:12,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:02:12,666 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:02:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:02:12,666 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:02:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:02:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:12,825 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:12,827 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:12,958 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:13,029 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:13,029 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:02:13,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:13 BoogieIcfgContainer [2023-11-24 23:02:13,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:13,032 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:13,033 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:13,044 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:13,044 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:13" (1/1) ... [2023-11-24 23:02:13,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:13,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:13,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-24 23:02:13,116 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-24 23:02:13,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:02:13,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:13,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:13,522 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 23:02:13,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:13,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2023-11-24 23:02:13,566 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-24 23:02:13,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:02:13,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:13,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:13,765 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 23:02:13,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:13,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-11-24 23:02:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-24 23:02:13,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:02:13,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:13,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:02:13,904 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 23:02:13,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:13,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 19 transitions. [2023-11-24 23:02:13,939 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-24 23:02:13,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:02:13,940 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-24 23:02:13,951 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-24 23:02:13,979 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:02:13,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:02:13 ImpRootNode [2023-11-24 23:02:13,983 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:02:13,984 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:02:13,984 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:02:13,985 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:02:13,985 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:13" (3/4) ... [2023-11-24 23:02:13,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:02:13,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:02:13,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:02:14,000 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-24 23:02:14,000 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-24 23:02:14,001 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:02:14,001 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:02:14,116 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:02:14,117 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:02:14,117 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:02:14,118 INFO L158 Benchmark]: Toolchain (without parser) took 3204.64ms. Allocated memory is still 172.0MB. Free memory was 131.4MB in the beginning and 109.0MB in the end (delta: 22.3MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2023-11-24 23:02:14,118 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:14,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1510.87ms. Allocated memory is still 172.0MB. Free memory was 130.9MB in the beginning and 109.0MB in the end (delta: 21.9MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2023-11-24 23:02:14,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.66ms. Allocated memory is still 172.0MB. Free memory was 109.0MB in the beginning and 106.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:14,119 INFO L158 Benchmark]: Boogie Preprocessor took 57.39ms. Allocated memory is still 172.0MB. Free memory was 106.1MB in the beginning and 104.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:14,119 INFO L158 Benchmark]: RCFGBuilder took 450.87ms. Allocated memory is still 172.0MB. Free memory was 104.8MB in the beginning and 89.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:02:14,120 INFO L158 Benchmark]: CodeCheck took 951.33ms. Allocated memory is still 172.0MB. Free memory was 89.3MB in the beginning and 114.2MB in the end (delta: -24.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:14,120 INFO L158 Benchmark]: Witness Printer took 132.88ms. Allocated memory is still 172.0MB. Free memory was 114.2MB in the beginning and 109.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:02:14,122 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: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 27 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 27 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 0.35ms. Allocated memory is still 134.2MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1510.87ms. Allocated memory is still 172.0MB. Free memory was 130.9MB in the beginning and 109.0MB in the end (delta: 21.9MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.66ms. Allocated memory is still 172.0MB. Free memory was 109.0MB in the beginning and 106.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.39ms. Allocated memory is still 172.0MB. Free memory was 106.1MB in the beginning and 104.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.87ms. Allocated memory is still 172.0MB. Free memory was 104.8MB in the beginning and 89.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 951.33ms. Allocated memory is still 172.0MB. Free memory was 89.3MB in the beginning and 114.2MB in the end (delta: -24.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 132.88ms. Allocated memory is still 172.0MB. Free memory was 114.2MB in the beginning and 109.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:02:14,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f38b5314-97f8-4704-b4e9-86fe23c4c0ce/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