./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 197c6de4193175ab38736fc627c0245325be69fcc886306a17e5c98fe960e7b2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:07:43,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:07:43,984 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:07:43,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:07:43,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:07:44,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:07:44,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:07:44,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:07:44,013 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:07:44,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:07:44,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:07:44,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:07:44,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:07:44,015 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:07:44,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:07:44,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:07:44,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:07:44,017 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:07:44,018 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:07:44,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:07:44,019 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:07:44,020 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:07:44,020 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:07:44,021 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:07:44,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:07:44,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:07:44,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:07:44,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:07:44,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:07:44,023 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:07:44,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:07:44,024 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:07:44,024 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_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197c6de4193175ab38736fc627c0245325be69fcc886306a17e5c98fe960e7b2 [2023-12-03 04:07:44,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:07:44,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:07:44,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:07:44,281 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:07:44,281 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:07:44,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_12_good.i [2023-12-03 04:07:47,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:07:47,321 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:07:47,321 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_12_good.i [2023-12-03 04:07:47,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9/data/e2d8c401b/cdf11a06e5384f13b580ef0cdf895869/FLAG026c15554 [2023-12-03 04:07:47,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9/data/e2d8c401b/cdf11a06e5384f13b580ef0cdf895869 [2023-12-03 04:07:47,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:07:47,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:07:47,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:07:47,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:07:47,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:07:47,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:07:47" (1/1) ... [2023-12-03 04:07:47,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c68257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:47, skipping insertion in model container [2023-12-03 04:07:47,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:07:47" (1/1) ... [2023-12-03 04:07:47,430 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:07:48,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:07:48,180 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:07:48,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:07:48,337 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:07:48,338 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:07:48,338 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:07:48,338 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:07:48,344 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:07:48,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:48 WrapperNode [2023-12-03 04:07:48,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:07:48,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:07:48,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:07:48,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:07:48,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:48" (1/1) ... [2023-12-03 04:07:48,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:48" (1/1) ... [2023-12-03 04:07:48,402 INFO L138 Inliner]: procedures = 500, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 93 [2023-12-03 04:07:48,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:07:48,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:07:48,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:07:48,404 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:07:48,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:48" (1/1) ... [2023-12-03 04:07:48,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:48" (1/1) ... [2023-12-03 04:07:48,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:48" (1/1) ... [2023-12-03 04:07:48,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:48" (1/1) ... [2023-12-03 04:07:48,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:48" (1/1) ... [2023-12-03 04:07:48,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:48" (1/1) ... [2023-12-03 04:07:48,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:48" (1/1) ... [2023-12-03 04:07:48,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:48" (1/1) ... [2023-12-03 04:07:48,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:07:48,433 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:07:48,433 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:07:48,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:07:48,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:07:48" (1/1) ... [2023-12-03 04:07:48,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:07:48,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:07:48,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:07:48,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:07:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-03 04:07:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-03 04:07:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2023-12-03 04:07:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2023-12-03 04:07:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:07:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:07:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:07:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:07:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:07:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:07:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:07:48,643 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:07:48,646 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:07:48,812 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:07:48,866 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:07:48,867 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:07:48,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:07:48 BoogieIcfgContainer [2023-12-03 04:07:48,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:07:48,870 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:07:48,870 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:07:48,880 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:07:48,880 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:07:48" (1/1) ... [2023-12-03 04:07:48,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:07:48,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:48,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 58 states and 74 transitions. [2023-12-03 04:07:48,943 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2023-12-03 04:07:48,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:07:48,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:48,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:07:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2023-12-03 04:07:49,263 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2023-12-03 04:07:49,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:07:49,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:49,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:49,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:07:49,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:49,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2023-12-03 04:07:49,372 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2023-12-03 04:07:49,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:07:49,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:49,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:07:49,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2023-12-03 04:07:49,493 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2023-12-03 04:07:49,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:07:49,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:49,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:07:49,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:49,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2023-12-03 04:07:49,563 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-12-03 04:07:49,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:07:49,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:49,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:49,639 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:07:49,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:49,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 69 transitions. [2023-12-03 04:07:49,668 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2023-12-03 04:07:49,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:07:49,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:49,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:49,732 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:07:49,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:49,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 68 transitions. [2023-12-03 04:07:49,745 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-12-03 04:07:49,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:07:49,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:49,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:49,804 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:07:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:49,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 67 transitions. [2023-12-03 04:07:49,826 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2023-12-03 04:07:49,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:07:49,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:49,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:49,873 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:07:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:49,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 66 transitions. [2023-12-03 04:07:49,886 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2023-12-03 04:07:49,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:07:49,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:49,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:49,996 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:07:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:50,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 51 states and 64 transitions. [2023-12-03 04:07:50,073 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2023-12-03 04:07:50,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:07:50,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:50,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:50,146 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:07:50,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:50,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 62 transitions. [2023-12-03 04:07:50,172 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-12-03 04:07:50,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:07:50,173 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2023-12-03 04:07:50,182 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-03 04:07:50,260 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:07:50,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:07:50 ImpRootNode [2023-12-03 04:07:50,265 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:07:50,266 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:07:50,266 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:07:50,267 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:07:50,267 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:07:48" (3/4) ... [2023-12-03 04:07:50,269 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:07:50,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-03 04:07:50,273 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2023-12-03 04:07:50,273 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-03 04:07:50,278 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-12-03 04:07:50,278 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-03 04:07:50,279 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 04:07:50,279 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:07:50,382 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:07:50,382 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:07:50,383 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:07:50,383 INFO L158 Benchmark]: Toolchain (without parser) took 3017.32ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 110.3MB in the beginning and 111.0MB in the end (delta: -662.5kB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2023-12-03 04:07:50,384 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:07:50,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 977.33ms. Allocated memory is still 153.1MB. Free memory was 110.1MB in the beginning and 70.6MB in the end (delta: 39.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-03 04:07:50,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.73ms. Allocated memory is still 153.1MB. Free memory was 70.6MB in the beginning and 67.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:07:50,385 INFO L158 Benchmark]: Boogie Preprocessor took 28.77ms. Allocated memory is still 153.1MB. Free memory was 67.6MB in the beginning and 66.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:07:50,385 INFO L158 Benchmark]: RCFGBuilder took 436.22ms. Allocated memory is still 153.1MB. Free memory was 66.3MB in the beginning and 48.2MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 04:07:50,386 INFO L158 Benchmark]: CodeCheck took 1395.77ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 48.2MB in the beginning and 117.2MB in the end (delta: -69.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:07:50,386 INFO L158 Benchmark]: Witness Printer took 116.53ms. Allocated memory is still 184.5MB. Free memory was 117.2MB in the beginning and 111.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:07:50,388 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 4 procedures, 58 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 780 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 440 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 126 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 476 IncrementalHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 126 mSolverCounterUnsat, 396 mSDtfsCounter, 476 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1600 GetRequests, 1583 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 244 ConstructedInterpolants, 0 QuantifiedInterpolants, 304 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 88/88 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1615]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1615]: 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: 1630]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 977.33ms. Allocated memory is still 153.1MB. Free memory was 110.1MB in the beginning and 70.6MB in the end (delta: 39.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.73ms. Allocated memory is still 153.1MB. Free memory was 70.6MB in the beginning and 67.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.77ms. Allocated memory is still 153.1MB. Free memory was 67.6MB in the beginning and 66.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 436.22ms. Allocated memory is still 153.1MB. Free memory was 66.3MB in the beginning and 48.2MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1395.77ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 48.2MB in the beginning and 117.2MB in the end (delta: -69.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 116.53ms. Allocated memory is still 184.5MB. Free memory was 117.2MB in the beginning and 111.0MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 04:07:50,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d48272c-b118-4958-9db3-56400baea17f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE