./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_21_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_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/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_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/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_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/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 3a0e5d0f1c91564aeeb0905d110c43d05e553286aac1955d67cdfc8372077d8f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:47:44,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:47:44,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:47:44,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:47:44,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:47:44,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:47:44,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:47:44,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:47:44,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:47:44,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:47:44,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:47:44,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:47:44,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:47:44,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:47:44,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:47:44,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:47:44,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:47:44,706 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:47:44,707 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:47:44,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:47:44,708 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:47:44,708 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:47:44,709 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:47:44,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:47:44,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:44,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:47:44,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:47:44,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:47:44,712 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:47:44,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:47:44,714 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:47:44,714 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_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a0e5d0f1c91564aeeb0905d110c43d05e553286aac1955d67cdfc8372077d8f [2023-11-11 23:47:45,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:47:45,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:47:45,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:47:45,063 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:47:45,064 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:47:45,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_21_good.i [2023-11-11 23:47:48,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:47:48,661 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:47:48,661 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_21_good.i [2023-11-11 23:47:48,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/bin/ukojak-verify-0OAaufAVZV/data/d0df423b4/a2ba2190cd2d4a61b699448ab257af53/FLAG92cc8a2f3 [2023-11-11 23:47:48,719 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/bin/ukojak-verify-0OAaufAVZV/data/d0df423b4/a2ba2190cd2d4a61b699448ab257af53 [2023-11-11 23:47:48,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:47:48,728 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:47:48,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:48,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:47:48,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:47:48,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:48" (1/1) ... [2023-11-11 23:47:48,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e38c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:48, skipping insertion in model container [2023-11-11 23:47:48,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:48" (1/1) ... [2023-11-11 23:47:48,827 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:47:49,322 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:47:49,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:49,914 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:47:49,934 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:47:50,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:50,220 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:50,220 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:50,220 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:50,220 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:50,221 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:50,228 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:47:50,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:50 WrapperNode [2023-11-11 23:47:50,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:50,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:50,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:47:50,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:47:50,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:50" (1/1) ... [2023-11-11 23:47:50,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:50" (1/1) ... [2023-11-11 23:47:50,294 INFO L138 Inliner]: procedures = 505, calls = 70, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 85 [2023-11-11 23:47:50,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:50,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:47:50,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:47:50,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:47:50,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:50" (1/1) ... [2023-11-11 23:47:50,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:50" (1/1) ... [2023-11-11 23:47:50,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:50" (1/1) ... [2023-11-11 23:47:50,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:50" (1/1) ... [2023-11-11 23:47:50,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:50" (1/1) ... [2023-11-11 23:47:50,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:50" (1/1) ... [2023-11-11 23:47:50,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:50" (1/1) ... [2023-11-11 23:47:50,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:50" (1/1) ... [2023-11-11 23:47:50,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:47:50,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:47:50,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:47:50,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:47:50,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:50" (1/1) ... [2023-11-11 23:47:50,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:50,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:47:50,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:47:50,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:47:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:47:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:47:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:47:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:47:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:47:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:47:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:47:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:47:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:47:50,570 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:47:50,572 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:47:50,733 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:47:50,783 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:47:50,783 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:47:50,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:50 BoogieIcfgContainer [2023-11-11 23:47:50,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:47:50,787 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:47:50,787 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:47:50,798 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:47:50,799 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:50" (1/1) ... [2023-11-11 23:47:50,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:47:50,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:50,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2023-11-11 23:47:50,871 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-11-11 23:47:50,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:47:50,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:50,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:51,329 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 23:47:51,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:51,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 33 states and 41 transitions. [2023-11-11 23:47:51,372 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2023-11-11 23:47:51,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:47:51,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:51,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:51,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:47:51,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:51,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 38 transitions. [2023-11-11 23:47:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-11-11 23:47:51,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:47:51,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:51,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:51,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:47:51,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:51,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 30 transitions. [2023-11-11 23:47:51,823 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-11 23:47:51,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:47:51,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:51,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:47:52,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 29 transitions. [2023-11-11 23:47:52,048 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-11 23:47:52,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:47:52,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:52,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:52,195 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:47:52,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:52,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 28 transitions. [2023-11-11 23:47:52,258 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-11 23:47:52,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:47:52,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:52,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:47:52,350 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:47:52,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:52,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 27 transitions. [2023-11-11 23:47:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-11 23:47:52,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:47:52,371 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-11 23:47:52,381 INFO L753 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-11 23:47:52,414 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:47:52,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:47:52 ImpRootNode [2023-11-11 23:47:52,419 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:47:52,420 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:47:52,420 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:47:52,421 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:47:52,422 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:50" (3/4) ... [2023-11-11 23:47:52,426 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:47:52,431 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:47:52,436 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:47:52,444 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-11 23:47:52,445 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-11 23:47:52,445 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-11 23:47:52,446 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:47:52,566 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:47:52,567 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:47:52,567 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:47:52,568 INFO L158 Benchmark]: Toolchain (without parser) took 3840.70ms. Allocated memory is still 151.0MB. Free memory was 109.5MB in the beginning and 74.2MB in the end (delta: 35.3MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2023-11-11 23:47:52,568 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:52,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1499.19ms. Allocated memory is still 151.0MB. Free memory was 109.5MB in the beginning and 112.3MB in the end (delta: -2.9MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2023-11-11 23:47:52,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.17ms. Allocated memory is still 151.0MB. Free memory was 112.3MB in the beginning and 109.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:52,570 INFO L158 Benchmark]: Boogie Preprocessor took 52.31ms. Allocated memory is still 151.0MB. Free memory was 109.5MB in the beginning and 108.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:52,571 INFO L158 Benchmark]: RCFGBuilder took 437.72ms. Allocated memory is still 151.0MB. Free memory was 108.1MB in the beginning and 91.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:47:52,572 INFO L158 Benchmark]: CodeCheck took 1631.76ms. Allocated memory is still 151.0MB. Free memory was 91.3MB in the beginning and 79.4MB in the end (delta: 11.9MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2023-11-11 23:47:52,572 INFO L158 Benchmark]: Witness Printer took 147.55ms. Allocated memory is still 151.0MB. Free memory was 79.4MB in the beginning and 74.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:47:52,574 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, 39 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 286 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 192 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 172 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 603 GetRequests, 583 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 109 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 18/18 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: 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: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1633]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1499.19ms. Allocated memory is still 151.0MB. Free memory was 109.5MB in the beginning and 112.3MB in the end (delta: -2.9MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.17ms. Allocated memory is still 151.0MB. Free memory was 112.3MB in the beginning and 109.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.31ms. Allocated memory is still 151.0MB. Free memory was 109.5MB in the beginning and 108.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 437.72ms. Allocated memory is still 151.0MB. Free memory was 108.1MB in the beginning and 91.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1631.76ms. Allocated memory is still 151.0MB. Free memory was 91.3MB in the beginning and 79.4MB in the end (delta: 11.9MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Witness Printer took 147.55ms. Allocated memory is still 151.0MB. Free memory was 79.4MB in the beginning and 74.2MB 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! [2023-11-11 23:47:52,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc842e7b-5c2b-4e43-a546-f2e410aeb1d0/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE