./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/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_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/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 32bit --witnessprinter.graph.data.programhash ecbe73983438c23c42e2ed0d81896f3aad03ba3c52d7d8ba5ad74018d0035eda --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:43:48,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:43:48,504 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:43:48,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:43:48,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:43:48,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:43:48,535 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:43:48,536 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:43:48,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:43:48,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:43:48,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:43:48,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:43:48,539 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:43:48,540 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:43:48,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:43:48,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:43:48,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:43:48,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:43:48,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:43:48,543 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:43:48,543 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:43:48,544 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:43:48,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:43:48,545 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:43:48,546 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:43:48,546 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:43:48,547 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:43:48,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:43:48,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:43:48,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:43:48,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:43:48,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:43:48,549 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:43:48,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:43:48,550 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:43:48,550 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_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbe73983438c23c42e2ed0d81896f3aad03ba3c52d7d8ba5ad74018d0035eda [2023-12-02 23:43:48,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:43:48,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:43:48,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:43:48,827 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:43:48,828 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:43:48,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i [2023-12-02 23:43:51,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:43:51,777 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:43:51,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i [2023-12-02 23:43:51,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/bin/ukojak-verify-Qdu7aM0XO9/data/c9186d070/88097a8b949c450da89e65916aa52820/FLAG94d3f4ac4 [2023-12-02 23:43:51,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/bin/ukojak-verify-Qdu7aM0XO9/data/c9186d070/88097a8b949c450da89e65916aa52820 [2023-12-02 23:43:51,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:43:51,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:43:51,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:43:51,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:43:51,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:43:51,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:43:51" (1/1) ... [2023-12-02 23:43:51,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e437b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:51, skipping insertion in model container [2023-12-02 23:43:51,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:43:51" (1/1) ... [2023-12-02 23:43:51,820 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:43:51,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:43:51,951 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:43:51,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:43:51,979 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:43:51,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:51 WrapperNode [2023-12-02 23:43:51,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:43:51,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:43:51,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:43:51,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:43:51,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:51" (1/1) ... [2023-12-02 23:43:51,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:51" (1/1) ... [2023-12-02 23:43:52,015 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2023-12-02 23:43:52,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:43:52,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:43:52,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:43:52,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:43:52,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:51" (1/1) ... [2023-12-02 23:43:52,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:51" (1/1) ... [2023-12-02 23:43:52,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:51" (1/1) ... [2023-12-02 23:43:52,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:51" (1/1) ... [2023-12-02 23:43:52,030 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:51" (1/1) ... [2023-12-02 23:43:52,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:51" (1/1) ... [2023-12-02 23:43:52,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:51" (1/1) ... [2023-12-02 23:43:52,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:51" (1/1) ... [2023-12-02 23:43:52,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:43:52,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:43:52,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:43:52,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:43:52,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:43:51" (1/1) ... [2023-12-02 23:43:52,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:43:52,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:43:52,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:43:52,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:43:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:43:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:43:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:43:52,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:43:52,176 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:43:52,179 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:43:52,306 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:43:52,349 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:43:52,349 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:43:52,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:43:52 BoogieIcfgContainer [2023-12-02 23:43:52,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:43:52,352 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:43:52,352 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:43:52,363 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:43:52,363 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:43:52" (1/1) ... [2023-12-02 23:43:52,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:43:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:52,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-12-02 23:43:52,450 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-12-02 23:43:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:43:52,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:52,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:52,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:52,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:52,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2023-12-02 23:43:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2023-12-02 23:43:52,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:43:52,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:52,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:52,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:52,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2023-12-02 23:43:52,946 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2023-12-02 23:43:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:43:52,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:52,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:53,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:53,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:53,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2023-12-02 23:43:53,559 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2023-12-02 23:43:53,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:43:53,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:53,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:53,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:54,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:54,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-02 23:43:54,260 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-02 23:43:54,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:43:54,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:54,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:54,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:54,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2023-12-02 23:43:54,620 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2023-12-02 23:43:54,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:43:54,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:54,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:54,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:54,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:54,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2023-12-02 23:43:54,952 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2023-12-02 23:43:54,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:43:54,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:54,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:54,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:43:55,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:55,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2023-12-02 23:43:55,839 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2023-12-02 23:43:55,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:43:55,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:55,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:56,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:57,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:57,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 77 transitions. [2023-12-02 23:43:57,227 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 77 transitions. [2023-12-02 23:43:57,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:43:57,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:57,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:43:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:57,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:43:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2023-12-02 23:43:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2023-12-02 23:43:57,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:43:57,982 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2023-12-02 23:43:57,990 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-12-02 23:43:58,066 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:43:58,070 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2023-12-02 23:43:58,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:43:58 ImpRootNode [2023-12-02 23:43:58,075 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:43:58,075 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:43:58,075 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:43:58,076 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:43:58,076 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:43:52" (3/4) ... [2023-12-02 23:43:58,078 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:43:58,085 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-02 23:43:58,085 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 23:43:58,085 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 23:43:58,086 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:43:58,168 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:43:58,168 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:43:58,169 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:43:58,169 INFO L158 Benchmark]: Toolchain (without parser) took 6371.92ms. Allocated memory was 163.6MB in the beginning and 218.1MB in the end (delta: 54.5MB). Free memory was 115.7MB in the beginning and 182.2MB in the end (delta: -66.5MB). Peak memory consumption was 115.4MB. Max. memory is 16.1GB. [2023-12-02 23:43:58,170 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 163.6MB. Free memory was 130.7MB in the beginning and 130.7MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:43:58,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.37ms. Allocated memory is still 163.6MB. Free memory was 115.7MB in the beginning and 105.6MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 23:43:58,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.02ms. Allocated memory is still 163.6MB. Free memory was 105.6MB in the beginning and 104.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:43:58,172 INFO L158 Benchmark]: Boogie Preprocessor took 21.60ms. Allocated memory is still 163.6MB. Free memory was 104.2MB in the beginning and 103.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:43:58,172 INFO L158 Benchmark]: RCFGBuilder took 312.87ms. Allocated memory is still 163.6MB. Free memory was 102.8MB in the beginning and 91.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:43:58,173 INFO L158 Benchmark]: CodeCheck took 5722.62ms. Allocated memory was 163.6MB in the beginning and 218.1MB in the end (delta: 54.5MB). Free memory was 91.3MB in the beginning and 60.4MB in the end (delta: 30.9MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2023-12-02 23:43:58,173 INFO L158 Benchmark]: Witness Printer took 93.48ms. Allocated memory is still 218.1MB. Free memory was 60.4MB in the beginning and 182.2MB in the end (delta: -121.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:43:58,176 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 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 282 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 250 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 259 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1172 IncrementalHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 259 mSolverCounterUnsat, 18 mSDtfsCounter, 1172 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 789 GetRequests, 626 SyntacticMatches, 29 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7522 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 229 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 10/18 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: 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: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((((0 <= x) && ((n + y) <= (2147483647 + x))) && (2147483646 < y)) && (x <= 2147483646)) || ((n <= 2147483647) && (2147483646 < x))) || ((((n <= 2147483647) && (0 <= x)) && (y <= 2147483646)) && (0 <= y))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 163.6MB. Free memory was 130.7MB in the beginning and 130.7MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.37ms. Allocated memory is still 163.6MB. Free memory was 115.7MB in the beginning and 105.6MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.02ms. Allocated memory is still 163.6MB. Free memory was 105.6MB in the beginning and 104.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.60ms. Allocated memory is still 163.6MB. Free memory was 104.2MB in the beginning and 103.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.87ms. Allocated memory is still 163.6MB. Free memory was 102.8MB in the beginning and 91.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 5722.62ms. Allocated memory was 163.6MB in the beginning and 218.1MB in the end (delta: 54.5MB). Free memory was 91.3MB in the beginning and 60.4MB in the end (delta: 30.9MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * Witness Printer took 93.48ms. Allocated memory is still 218.1MB. Free memory was 60.4MB in the beginning and 182.2MB in the end (delta: -121.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 23:43:58,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d0fadf-3fa2-4b8e-ab49-05eedf59696b/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