./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_11_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_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/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_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/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_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/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 987a4b1c0aeb1c5f121fdbae36818cc86316f1e761d4ceba6cf83833c88eb5ff --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:46,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:46,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:49:46,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:49:46,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:49:46,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:46,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:46,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:46,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:46,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:46,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:46,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:46,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:49:46,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:46,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:46,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:46,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:46,742 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:49:46,742 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:49:46,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:46,743 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:46,744 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:46,744 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:46,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:46,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:46,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:46,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:46,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:46,747 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:49:46,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:49:46,748 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:46,749 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_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 987a4b1c0aeb1c5f121fdbae36818cc86316f1e761d4ceba6cf83833c88eb5ff [2023-11-11 23:49:46,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:47,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:47,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:47,027 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:47,028 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:47,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_11_good.i [2023-11-11 23:49:50,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:50,620 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:50,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_11_good.i [2023-11-11 23:49:50,664 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/bin/ukojak-verify-0OAaufAVZV/data/1e4bc336e/91a499e9cf4147f9819506d0b6bf103d/FLAG6b50456d8 [2023-11-11 23:49:50,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/bin/ukojak-verify-0OAaufAVZV/data/1e4bc336e/91a499e9cf4147f9819506d0b6bf103d [2023-11-11 23:49:50,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:50,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:50,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:50,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:50,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:50,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:50" (1/1) ... [2023-11-11 23:49:50,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a134f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:50, skipping insertion in model container [2023-11-11 23:49:50,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:50" (1/1) ... [2023-11-11 23:49:50,792 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:51,218 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:49:51,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:51,734 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:51,753 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:49:51,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:51,996 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:51,996 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:51,997 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:51,997 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:51,997 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:52,003 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:52,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:52 WrapperNode [2023-11-11 23:49:52,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:52,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:52,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:52,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:52,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:52" (1/1) ... [2023-11-11 23:49:52,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:52" (1/1) ... [2023-11-11 23:49:52,110 INFO L138 Inliner]: procedures = 503, calls = 79, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2023-11-11 23:49:52,111 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:52,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:52,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:52,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:52,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:52" (1/1) ... [2023-11-11 23:49:52,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:52" (1/1) ... [2023-11-11 23:49:52,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:52" (1/1) ... [2023-11-11 23:49:52,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:52" (1/1) ... [2023-11-11 23:49:52,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:52" (1/1) ... [2023-11-11 23:49:52,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:52" (1/1) ... [2023-11-11 23:49:52,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:52" (1/1) ... [2023-11-11 23:49:52,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:52" (1/1) ... [2023-11-11 23:49:52,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:52,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:52,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:52,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:52,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:52" (1/1) ... [2023-11-11 23:49:52,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:52,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:52,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:52,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:52,249 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:49:52,249 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:49:52,250 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:49:52,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:49:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-11 23:49:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-11 23:49:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:49:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:52,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:52,251 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-11-11 23:49:52,252 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-11-11 23:49:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:49:52,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:49:52,443 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:52,445 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:52,625 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:52,676 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:52,676 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:49:52,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:52 BoogieIcfgContainer [2023-11-11 23:49:52,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:49:52,680 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:49:52,680 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:49:52,691 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:49:52,691 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:52" (1/1) ... [2023-11-11 23:49:52,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:49:52,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:52,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 89 transitions. [2023-11-11 23:49:52,758 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2023-11-11 23:49:52,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:52,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:52,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:53,253 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 23:49:53,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:53,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 68 states and 88 transitions. [2023-11-11 23:49:53,348 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-11 23:49:53,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:49:53,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:53,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:53,427 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 23:49:53,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:53,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 67 states and 87 transitions. [2023-11-11 23:49:53,541 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2023-11-11 23:49:53,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:49:53,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:53,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:53,704 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:49:53,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:53,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 66 states and 84 transitions. [2023-11-11 23:49:53,855 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2023-11-11 23:49:53,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:49:53,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:53,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:54,120 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:49:54,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:54,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 60 states and 76 transitions. [2023-11-11 23:49:54,338 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-11-11 23:49:54,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-11 23:49:54,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:54,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-11 23:49:54,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:54,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 60 states and 75 transitions. [2023-11-11 23:49:54,604 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2023-11-11 23:49:54,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-11 23:49:54,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:54,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:49:54,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:54,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 64 states and 82 transitions. [2023-11-11 23:49:54,817 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2023-11-11 23:49:54,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:49:54,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:54,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:54,870 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:49:54,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:54,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 65 states and 83 transitions. [2023-11-11 23:49:54,890 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2023-11-11 23:49:54,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-11 23:49:54,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:54,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:54,992 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-11 23:49:55,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 57 states and 70 transitions. [2023-11-11 23:49:55,052 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2023-11-11 23:49:55,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-11 23:49:55,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:55,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:55,162 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-11 23:49:55,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:55,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 57 states and 69 transitions. [2023-11-11 23:49:55,368 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2023-11-11 23:49:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-11 23:49:55,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:55,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:55,540 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-11 23:49:55,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:55,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 56 states and 68 transitions. [2023-11-11 23:49:55,658 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2023-11-11 23:49:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-11 23:49:55,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:55,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:55,791 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-11 23:49:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:55,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 55 states and 67 transitions. [2023-11-11 23:49:55,819 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2023-11-11 23:49:55,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:49:55,823 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2023-11-11 23:49:55,833 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-11 23:49:56,005 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:49:56,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:49:56 ImpRootNode [2023-11-11 23:49:56,010 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:49:56,011 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:49:56,011 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:49:56,011 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:49:56,012 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:52" (3/4) ... [2023-11-11 23:49:56,017 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:49:56,021 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:49:56,021 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-11-11 23:49:56,021 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:49:56,022 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-11-11 23:49:56,031 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-11 23:49:56,032 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-11 23:49:56,033 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-11 23:49:56,033 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:49:56,181 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:49:56,184 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:49:56,185 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:49:56,186 INFO L158 Benchmark]: Toolchain (without parser) took 5496.91ms. Allocated memory was 146.8MB in the beginning and 230.7MB in the end (delta: 83.9MB). Free memory was 111.5MB in the beginning and 188.2MB in the end (delta: -76.8MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. [2023-11-11 23:49:56,186 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:56,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1313.99ms. Allocated memory is still 146.8MB. Free memory was 111.0MB in the beginning and 91.3MB in the end (delta: 19.7MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2023-11-11 23:49:56,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.31ms. Allocated memory is still 146.8MB. Free memory was 91.3MB in the beginning and 88.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:49:56,188 INFO L158 Benchmark]: Boogie Preprocessor took 48.98ms. Allocated memory is still 146.8MB. Free memory was 88.5MB in the beginning and 86.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:56,189 INFO L158 Benchmark]: RCFGBuilder took 518.66ms. Allocated memory is still 146.8MB. Free memory was 86.4MB in the beginning and 68.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:49:56,189 INFO L158 Benchmark]: CodeCheck took 3330.23ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 68.3MB in the beginning and 58.0MB in the end (delta: 10.3MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2023-11-11 23:49:56,190 INFO L158 Benchmark]: Witness Printer took 173.87ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 58.0MB in the beginning and 188.2MB in the end (delta: -130.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:49:56,192 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 5 procedures, 69 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1481 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 1027 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 236 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 926 IncrementalHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 236 mSolverCounterUnsat, 907 mSDtfsCounter, 926 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3148 GetRequests, 3101 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 443 NumberOfCodeBlocks, 443 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 432 ConstructedInterpolants, 0 QuantifiedInterpolants, 563 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 205/212 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: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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 - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: 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: 1642]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1313.99ms. Allocated memory is still 146.8MB. Free memory was 111.0MB in the beginning and 91.3MB in the end (delta: 19.7MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.31ms. Allocated memory is still 146.8MB. Free memory was 91.3MB in the beginning and 88.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.98ms. Allocated memory is still 146.8MB. Free memory was 88.5MB in the beginning and 86.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 518.66ms. Allocated memory is still 146.8MB. Free memory was 86.4MB in the beginning and 68.3MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3330.23ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 68.3MB in the beginning and 58.0MB in the end (delta: 10.3MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * Witness Printer took 173.87ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 58.0MB in the beginning and 188.2MB in the end (delta: -130.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:49:56,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d58049b9-1bd8-4866-80c7-fd6dcd7536b4/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