./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a246da-bf96-4771-be13-ea949dae6457/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a246da-bf96-4771-be13-ea949dae6457/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_c4a246da-bf96-4771-be13-ea949dae6457/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a246da-bf96-4771-be13-ea949dae6457/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a246da-bf96-4771-be13-ea949dae6457/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_c4a246da-bf96-4771-be13-ea949dae6457/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 5e238f396c7bb9cfc8f8b3b0d182f18e9116ee923d63a2bc676d0215852d3ef8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:47:22,857 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:47:22,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a246da-bf96-4771-be13-ea949dae6457/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:47:22,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:47:22,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:47:22,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:47:22,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:47:22,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:47:22,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:47:22,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:47:22,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:47:22,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:47:22,958 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:47:22,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:47:22,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:47:22,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:47:22,960 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:47:22,961 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:47:22,961 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:47:22,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:47:22,962 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:47:22,963 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:47:22,963 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:47:22,964 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:47:22,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:47:22,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:47:22,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:47:22,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:47:22,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:47:22,967 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:47:22,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:47:22,967 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:47:22,968 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_c4a246da-bf96-4771-be13-ea949dae6457/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a246da-bf96-4771-be13-ea949dae6457/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e238f396c7bb9cfc8f8b3b0d182f18e9116ee923d63a2bc676d0215852d3ef8 [2023-12-03 03:47:23,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:47:23,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:47:23,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:47:23,230 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:47:23,231 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:47:23,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a246da-bf96-4771-be13-ea949dae6457/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_11_good.i [2023-12-03 03:47:26,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:47:26,360 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:47:26,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a246da-bf96-4771-be13-ea949dae6457/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_11_good.i [2023-12-03 03:47:26,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a246da-bf96-4771-be13-ea949dae6457/bin/ukojak-verify-Qdu7aM0XO9/data/9a5ee27a2/a3c1585aabc6450c9ceed2a1ae14a476/FLAGf91dc3937 [2023-12-03 03:47:26,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a246da-bf96-4771-be13-ea949dae6457/bin/ukojak-verify-Qdu7aM0XO9/data/9a5ee27a2/a3c1585aabc6450c9ceed2a1ae14a476 [2023-12-03 03:47:26,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:47:26,409 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:47:26,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:47:26,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:47:26,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:47:26,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:47:26" (1/1) ... [2023-12-03 03:47:26,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3373b648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:26, skipping insertion in model container [2023-12-03 03:47:26,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:47:26" (1/1) ... [2023-12-03 03:47:26,500 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:47:27,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:47:27,386 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:47:27,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:47:27,652 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:47:27,653 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:47:27,653 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:47:27,653 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:47:27,661 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:47:27,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:27 WrapperNode [2023-12-03 03:47:27,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:47:27,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:47:27,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:47:27,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:47:27,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:27" (1/1) ... [2023-12-03 03:47:27,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:27" (1/1) ... [2023-12-03 03:47:27,741 INFO L138 Inliner]: procedures = 502, calls = 78, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 223 [2023-12-03 03:47:27,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:47:27,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:47:27,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:47:27,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:47:27,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:27" (1/1) ... [2023-12-03 03:47:27,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:27" (1/1) ... [2023-12-03 03:47:27,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:27" (1/1) ... [2023-12-03 03:47:27,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:27" (1/1) ... [2023-12-03 03:47:27,769 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:27" (1/1) ... [2023-12-03 03:47:27,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:27" (1/1) ... [2023-12-03 03:47:27,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:27" (1/1) ... [2023-12-03 03:47:27,776 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:27" (1/1) ... [2023-12-03 03:47:27,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:47:27,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:47:27,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:47:27,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:47:27,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:27" (1/1) ... [2023-12-03 03:47:27,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:47:27,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a246da-bf96-4771-be13-ea949dae6457/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:47:27,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a246da-bf96-4771-be13-ea949dae6457/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:47:27,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a246da-bf96-4771-be13-ea949dae6457/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:47:27,859 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-03 03:47:27,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-03 03:47:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:47:27,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:47:27,860 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-12-03 03:47:27,860 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-12-03 03:47:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:47:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:47:27,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:47:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-12-03 03:47:27,861 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-12-03 03:47:27,861 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:47:27,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:47:28,030 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:47:28,032 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:47:28,384 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:47:28,652 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:47:28,652 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:47:28,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:47:28 BoogieIcfgContainer [2023-12-03 03:47:28,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:47:28,654 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:47:28,654 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:47:28,663 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:47:28,663 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:47:28" (1/1) ... [2023-12-03 03:47:28,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:47:28,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:28,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 73 states and 93 transitions. [2023-12-03 03:47:28,725 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2023-12-03 03:47:28,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:47:28,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:28,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:29,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:29,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:29,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 92 transitions. [2023-12-03 03:47:29,373 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-12-03 03:47:29,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:47:29,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:29,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:29,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:47:29,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:29,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 91 transitions. [2023-12-03 03:47:29,506 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2023-12-03 03:47:29,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:47:29,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:29,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:29,655 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:47:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:29,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 87 transitions. [2023-12-03 03:47:29,812 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2023-12-03 03:47:29,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:47:29,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:29,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:30,138 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 03:47:30,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 68 states and 86 transitions. [2023-12-03 03:47:30,266 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2023-12-03 03:47:30,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 03:47:30,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:30,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:30,375 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:47:30,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:30,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 67 states and 85 transitions. [2023-12-03 03:47:30,467 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2023-12-03 03:47:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 03:47:30,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:30,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:30,583 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 03:47:30,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:30,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 84 transitions. [2023-12-03 03:47:30,757 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-12-03 03:47:30,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 03:47:30,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:30,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:30,888 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 03:47:30,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:30,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 71 states and 91 transitions. [2023-12-03 03:47:30,944 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2023-12-03 03:47:30,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:47:30,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:30,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:31,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 03:47:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:31,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 72 states and 92 transitions. [2023-12-03 03:47:31,069 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-12-03 03:47:31,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:47:31,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:31,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:31,190 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-03 03:47:31,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:31,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 63 states and 78 transitions. [2023-12-03 03:47:31,254 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2023-12-03 03:47:31,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 03:47:31,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:31,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 03:47:31,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:31,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 63 states and 77 transitions. [2023-12-03 03:47:31,549 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-12-03 03:47:31,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 03:47:31,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:31,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:31,778 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 03:47:31,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:31,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 62 states and 76 transitions. [2023-12-03 03:47:31,879 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 76 transitions. [2023-12-03 03:47:31,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 03:47:31,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:31,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-03 03:47:32,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:32,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 61 states and 75 transitions. [2023-12-03 03:47:32,033 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2023-12-03 03:47:32,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:47:32,035 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-12-03 03:47:32,044 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-03 03:47:32,169 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:47:32,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:47:32 ImpRootNode [2023-12-03 03:47:32,174 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:47:32,175 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:47:32,175 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:47:32,175 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:47:32,175 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:47:28" (3/4) ... [2023-12-03 03:47:32,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:47:32,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-03 03:47:32,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-12-03 03:47:32,180 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-03 03:47:32,181 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-12-03 03:47:32,190 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2023-12-03 03:47:32,191 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-03 03:47:32,192 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 03:47:32,193 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:47:32,310 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a246da-bf96-4771-be13-ea949dae6457/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:47:32,310 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a246da-bf96-4771-be13-ea949dae6457/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:47:32,311 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:47:32,312 INFO L158 Benchmark]: Toolchain (without parser) took 5902.76ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 116.8MB in the beginning and 70.8MB in the end (delta: 46.0MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2023-12-03 03:47:32,312 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:47:32,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1251.73ms. Allocated memory is still 157.3MB. Free memory was 116.8MB in the beginning and 91.0MB in the end (delta: 25.8MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2023-12-03 03:47:32,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.24ms. Allocated memory is still 157.3MB. Free memory was 91.0MB in the beginning and 86.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:47:32,314 INFO L158 Benchmark]: Boogie Preprocessor took 37.25ms. Allocated memory is still 157.3MB. Free memory was 86.8MB in the beginning and 84.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:47:32,314 INFO L158 Benchmark]: RCFGBuilder took 872.80ms. Allocated memory is still 157.3MB. Free memory was 84.7MB in the beginning and 71.1MB in the end (delta: 13.6MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-12-03 03:47:32,314 INFO L158 Benchmark]: CodeCheck took 3519.77ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 71.1MB in the beginning and 79.2MB in the end (delta: -8.1MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2023-12-03 03:47:32,315 INFO L158 Benchmark]: Witness Printer took 136.35ms. Allocated memory is still 203.4MB. Free memory was 79.2MB in the beginning and 70.8MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 03:47:32,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 5 procedures, 73 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1640 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 267 mSDsluCounter, 1111 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 305 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 943 IncrementalHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 305 mSolverCounterUnsat, 983 mSDtfsCounter, 943 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3348 GetRequests, 3302 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 479 ConstructedInterpolants, 0 QuantifiedInterpolants, 603 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 214/220 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1642]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1251.73ms. Allocated memory is still 157.3MB. Free memory was 116.8MB in the beginning and 91.0MB in the end (delta: 25.8MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.24ms. Allocated memory is still 157.3MB. Free memory was 91.0MB in the beginning and 86.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.25ms. Allocated memory is still 157.3MB. Free memory was 86.8MB in the beginning and 84.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 872.80ms. Allocated memory is still 157.3MB. Free memory was 84.7MB in the beginning and 71.1MB in the end (delta: 13.6MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * CodeCheck took 3519.77ms. Allocated memory was 157.3MB in the beginning and 203.4MB in the end (delta: 46.1MB). Free memory was 71.1MB in the beginning and 79.2MB in the end (delta: -8.1MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 136.35ms. Allocated memory is still 203.4MB. Free memory was 79.2MB in the beginning and 70.8MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 03:47:32,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a246da-bf96-4771-be13-ea949dae6457/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