./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_16_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_16_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC --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 f28047a2b178c7a6cadbd16f8aa7302f06463afefc4ca94eb8ca71147c4ffabe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:22,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:22,110 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:12:22,117 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:12:22,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:12:22,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:22,160 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:22,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:22,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:22,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:22,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:22,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:22,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:12:22,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:22,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:22,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:22,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:22,173 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:12:22,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:12:22,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:22,174 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:22,175 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:22,177 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:22,178 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:22,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:22,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:22,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:22,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:22,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:22,181 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:12:22,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:12:22,182 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:22,183 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_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f28047a2b178c7a6cadbd16f8aa7302f06463afefc4ca94eb8ca71147c4ffabe [2023-11-23 20:12:22,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:22,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:22,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:22,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:22,495 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:22,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_16_good.i [2023-11-23 20:12:25,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:26,033 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:26,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_16_good.i [2023-11-23 20:12:26,057 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC/data/f6a80e23c/c1b4a569b3dd4f77a8a1142070c648d7/FLAG1c45256e6 [2023-11-23 20:12:26,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC/data/f6a80e23c/c1b4a569b3dd4f77a8a1142070c648d7 [2023-11-23 20:12:26,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:26,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:26,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:26,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:26,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:26,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:26" (1/1) ... [2023-11-23 20:12:26,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3ca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:26, skipping insertion in model container [2023-11-23 20:12:26,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:26" (1/1) ... [2023-11-23 20:12:26,168 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:26,607 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:12:27,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:27,240 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:27,275 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:12:27,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:27,562 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,562 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,562 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,563 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,563 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:27,571 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:27,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27 WrapperNode [2023-11-23 20:12:27,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:27,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:27,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:27,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:27,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,653 INFO L138 Inliner]: procedures = 501, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2023-11-23 20:12:27,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:27,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:27,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:27,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:27,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:27,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:27,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:27,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:27,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:27,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:27,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:27,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:12:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:12:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:12:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:12:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:12:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:12:27,924 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:27,926 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:28,085 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:28,130 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:12:28,130 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 20:12:28,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:28 BoogieIcfgContainer [2023-11-23 20:12:28,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:12:28,133 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:12:28,133 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:12:28,143 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:12:28,143 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:28" (1/1) ... [2023-11-23 20:12:28,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:12:28,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:28,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-23 20:12:28,205 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-23 20:12:28,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:12:28,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:28,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:28,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:28,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 24 transitions. [2023-11-23 20:12:28,514 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-23 20:12:28,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:12:28,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:28,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:28,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:28,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 22 transitions. [2023-11-23 20:12:28,685 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2023-11-23 20:12:28,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:12:28,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:28,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:12:28,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:28,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 21 transitions. [2023-11-23 20:12:28,829 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-11-23 20:12:28,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:12:28,830 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-23 20:12:28,843 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-23 20:12:28,879 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-23 20:12:28,886 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:12:28,886 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-23 20:12:28,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:12:28 ImpRootNode [2023-11-23 20:12:28,888 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:12:28,888 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:12:28,888 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:12:28,889 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:12:28,889 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:28" (3/4) ... [2023-11-23 20:12:28,891 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:12:28,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:12:28,895 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:12:28,903 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-23 20:12:28,903 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 20:12:28,903 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:12:28,904 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:12:29,042 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:12:29,042 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:12:29,043 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:12:29,045 INFO L158 Benchmark]: Toolchain (without parser) took 2965.47ms. Allocated memory is still 132.1MB. Free memory was 91.8MB in the beginning and 57.3MB in the end (delta: 34.5MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:29,048 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:29,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1492.89ms. Allocated memory is still 132.1MB. Free memory was 91.8MB in the beginning and 67.4MB in the end (delta: 24.4MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2023-11-23 20:12:29,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.89ms. Allocated memory is still 132.1MB. Free memory was 67.4MB in the beginning and 64.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:12:29,049 INFO L158 Benchmark]: Boogie Preprocessor took 36.62ms. Allocated memory is still 132.1MB. Free memory was 64.7MB in the beginning and 63.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:29,050 INFO L158 Benchmark]: RCFGBuilder took 440.59ms. Allocated memory is still 132.1MB. Free memory was 62.7MB in the beginning and 93.0MB in the end (delta: -30.3MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-11-23 20:12:29,050 INFO L158 Benchmark]: CodeCheck took 754.86ms. Allocated memory is still 132.1MB. Free memory was 93.0MB in the beginning and 62.8MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-23 20:12:29,051 INFO L158 Benchmark]: Witness Printer took 154.41ms. Allocated memory is still 132.1MB. Free memory was 62.1MB in the beginning and 57.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:12:29,056 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, 28 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 36 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 209 GetRequests, 205 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: 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: 1581]: Loop Invariant Derived loop invariant: (data == 2) - InvariantResult [Line: 1601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: (2147483647 <= data) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1492.89ms. Allocated memory is still 132.1MB. Free memory was 91.8MB in the beginning and 67.4MB in the end (delta: 24.4MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.89ms. Allocated memory is still 132.1MB. Free memory was 67.4MB in the beginning and 64.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.62ms. Allocated memory is still 132.1MB. Free memory was 64.7MB in the beginning and 63.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 440.59ms. Allocated memory is still 132.1MB. Free memory was 62.7MB in the beginning and 93.0MB in the end (delta: -30.3MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * CodeCheck took 754.86ms. Allocated memory is still 132.1MB. Free memory was 93.0MB in the beginning and 62.8MB in the end (delta: 30.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 154.41ms. Allocated memory is still 132.1MB. Free memory was 62.1MB in the beginning and 57.3MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:12:29,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bbd0dac-6d28-4775-ae6a-8d62d0603f61/bin/ukojak-verify-1t5iHCbJaC/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