./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_17_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_40fa9798-488f-4caa-8047-9a35a83a7d14/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40fa9798-488f-4caa-8047-9a35a83a7d14/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_40fa9798-488f-4caa-8047-9a35a83a7d14/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40fa9798-488f-4caa-8047-9a35a83a7d14/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40fa9798-488f-4caa-8047-9a35a83a7d14/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_40fa9798-488f-4caa-8047-9a35a83a7d14/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 7f1dace95b2f32708c50131c14ada2165d80524dd27b525c0899be99f34a7496 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:48:20,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:48:20,248 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40fa9798-488f-4caa-8047-9a35a83a7d14/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:48:20,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:48:20,253 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:48:20,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:48:20,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:48:20,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:48:20,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:48:20,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:48:20,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:48:20,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:48:20,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:48:20,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:48:20,280 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:48:20,280 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:48:20,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:48:20,281 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:48:20,282 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:48:20,282 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:48:20,283 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:48:20,284 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:48:20,284 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:48:20,284 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:48:20,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:48:20,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:48:20,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:48:20,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:48:20,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:48:20,287 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:48:20,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:48:20,288 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:48:20,288 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_40fa9798-488f-4caa-8047-9a35a83a7d14/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40fa9798-488f-4caa-8047-9a35a83a7d14/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f1dace95b2f32708c50131c14ada2165d80524dd27b525c0899be99f34a7496 [2023-12-02 21:48:20,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:48:20,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:48:20,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:48:20,540 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:48:20,540 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:48:20,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40fa9798-488f-4caa-8047-9a35a83a7d14/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_17_good.i [2023-12-02 21:48:23,291 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:48:23,588 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:48:23,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40fa9798-488f-4caa-8047-9a35a83a7d14/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_17_good.i [2023-12-02 21:48:23,614 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40fa9798-488f-4caa-8047-9a35a83a7d14/bin/ukojak-verify-Qdu7aM0XO9/data/47d015342/0586e92da7234fe08d8923110bda79df/FLAG967df4fc9 [2023-12-02 21:48:23,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40fa9798-488f-4caa-8047-9a35a83a7d14/bin/ukojak-verify-Qdu7aM0XO9/data/47d015342/0586e92da7234fe08d8923110bda79df [2023-12-02 21:48:23,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:48:23,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:48:23,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:48:23,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:48:23,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:48:23,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:48:23" (1/1) ... [2023-12-02 21:48:23,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e22513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:23, skipping insertion in model container [2023-12-02 21:48:23,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:48:23" (1/1) ... [2023-12-02 21:48:23,732 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:48:24,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:48:24,468 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:48:24,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:48:24,650 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:48:24,650 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:48:24,650 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:48:24,650 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:48:24,656 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:48:24,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:24 WrapperNode [2023-12-02 21:48:24,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:48:24,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:48:24,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:48:24,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:48:24,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:24" (1/1) ... [2023-12-02 21:48:24,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:24" (1/1) ... [2023-12-02 21:48:24,712 INFO L138 Inliner]: procedures = 500, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2023-12-02 21:48:24,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:48:24,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:48:24,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:48:24,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:48:24,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:24" (1/1) ... [2023-12-02 21:48:24,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:24" (1/1) ... [2023-12-02 21:48:24,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:24" (1/1) ... [2023-12-02 21:48:24,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:24" (1/1) ... [2023-12-02 21:48:24,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:24" (1/1) ... [2023-12-02 21:48:24,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:24" (1/1) ... [2023-12-02 21:48:24,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:24" (1/1) ... [2023-12-02 21:48:24,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:24" (1/1) ... [2023-12-02 21:48:24,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:48:24,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:48:24,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:48:24,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:48:24,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:48:24" (1/1) ... [2023-12-02 21:48:24,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:48:24,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40fa9798-488f-4caa-8047-9a35a83a7d14/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:48:24,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40fa9798-488f-4caa-8047-9a35a83a7d14/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:48:24,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40fa9798-488f-4caa-8047-9a35a83a7d14/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:48:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 21:48:24,815 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 21:48:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:48:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:48:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:48:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:48:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:48:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:48:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:48:24,968 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:48:24,970 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:48:25,117 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:48:25,163 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:48:25,164 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-12-02 21:48:25,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:48:25 BoogieIcfgContainer [2023-12-02 21:48:25,166 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:48:25,166 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:48:25,167 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:48:25,177 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:48:25,177 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:48:25" (1/1) ... [2023-12-02 21:48:25,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:48:25,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:25,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2023-12-02 21:48:25,243 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2023-12-02 21:48:25,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:48:25,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:25,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:25,516 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 21:48:25,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:25,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2023-12-02 21:48:25,565 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2023-12-02 21:48:25,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:48:25,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:25,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:25,636 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 21:48:25,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:25,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 49 states and 57 transitions. [2023-12-02 21:48:25,654 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2023-12-02 21:48:25,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:48:25,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:25,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:25,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:48:25,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 45 states and 51 transitions. [2023-12-02 21:48:25,779 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2023-12-02 21:48:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:48:25,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:25,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:25,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:48:25,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:25,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2023-12-02 21:48:25,856 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2023-12-02 21:48:25,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:48:25,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:25,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:25,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:48:26,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2023-12-02 21:48:26,165 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2023-12-02 21:48:26,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:48:26,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:26,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:26,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:48:26,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:26,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2023-12-02 21:48:26,320 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2023-12-02 21:48:26,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:48:26,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:26,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:26,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:48:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:26,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 54 states and 64 transitions. [2023-12-02 21:48:26,387 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2023-12-02 21:48:26,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:48:26,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:26,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:26,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:48:26,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 56 states and 67 transitions. [2023-12-02 21:48:26,550 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2023-12-02 21:48:26,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:48:26,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:26,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:26,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:48:26,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 60 states and 73 transitions. [2023-12-02 21:48:26,791 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2023-12-02 21:48:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:48:26,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:26,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:26,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:48:26,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:26,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 61 states and 74 transitions. [2023-12-02 21:48:26,850 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 74 transitions. [2023-12-02 21:48:26,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:48:26,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:26,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:26,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:48:27,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:27,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 57 states and 68 transitions. [2023-12-02 21:48:27,023 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2023-12-02 21:48:27,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:48:27,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:27,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:27,082 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:48:27,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:27,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 59 states and 72 transitions. [2023-12-02 21:48:27,374 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2023-12-02 21:48:27,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:48:27,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:27,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:27,456 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:48:27,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:27,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 43 transitions. [2023-12-02 21:48:27,633 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2023-12-02 21:48:27,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:48:27,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:27,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:48:28,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:28,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 48 transitions. [2023-12-02 21:48:28,157 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2023-12-02 21:48:28,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:48:28,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:28,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:28,278 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:48:28,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:28,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 58 transitions. [2023-12-02 21:48:28,712 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2023-12-02 21:48:28,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:48:28,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:28,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:28,764 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:48:28,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:28,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 49 states and 61 transitions. [2023-12-02 21:48:28,787 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2023-12-02 21:48:28,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 21:48:28,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:28,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:28,889 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:48:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 62 transitions. [2023-12-02 21:48:29,130 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-12-02 21:48:29,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:48:29,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:29,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:29,198 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:48:29,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:29,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 51 states and 63 transitions. [2023-12-02 21:48:29,377 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-12-02 21:48:29,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:48:29,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:29,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:29,432 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:48:29,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 36 states and 39 transitions. [2023-12-02 21:48:29,652 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2023-12-02 21:48:29,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 21:48:29,653 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2023-12-02 21:48:29,660 INFO L751 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2023-12-02 21:48:29,732 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2023-12-02 21:48:29,738 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:48:29,738 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:48:29,738 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:48:29,738 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-12-02 21:48:29,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:48:29 ImpRootNode [2023-12-02 21:48:29,739 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:48:29,740 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:48:29,740 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:48:29,740 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:48:29,740 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:48:25" (3/4) ... [2023-12-02 21:48:29,742 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 21:48:29,744 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 21:48:29,744 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 21:48:29,748 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-12-02 21:48:29,749 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-02 21:48:29,749 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 21:48:29,749 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:48:29,833 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40fa9798-488f-4caa-8047-9a35a83a7d14/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:48:29,833 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40fa9798-488f-4caa-8047-9a35a83a7d14/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 21:48:29,834 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:48:29,834 INFO L158 Benchmark]: Toolchain (without parser) took 6200.84ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 153.9MB in the beginning and 120.5MB in the end (delta: 33.5MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. [2023-12-02 21:48:29,835 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:48:29,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1021.91ms. Allocated memory is still 195.0MB. Free memory was 153.9MB in the beginning and 90.3MB in the end (delta: 63.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-12-02 21:48:29,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.54ms. Allocated memory is still 195.0MB. Free memory was 90.3MB in the beginning and 87.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:48:29,836 INFO L158 Benchmark]: Boogie Preprocessor took 27.45ms. Allocated memory is still 195.0MB. Free memory was 87.3MB in the beginning and 85.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:48:29,836 INFO L158 Benchmark]: RCFGBuilder took 424.23ms. Allocated memory is still 195.0MB. Free memory was 85.3MB in the beginning and 68.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:48:29,837 INFO L158 Benchmark]: CodeCheck took 4572.84ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 68.0MB in the beginning and 126.7MB in the end (delta: -58.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:48:29,837 INFO L158 Benchmark]: Witness Printer took 93.98ms. Allocated memory is still 234.9MB. Free memory was 125.7MB in the beginning and 120.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 21:48:29,838 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 46 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1129 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 495 mSDsluCounter, 553 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 190 mSDsCounter, 654 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2304 IncrementalHoareTripleChecker+Invalid, 2958 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 654 mSolverCounterUnsat, 363 mSDtfsCounter, 2304 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2868 GetRequests, 2766 SyntacticMatches, 6 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2814 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 421 NumberOfCodeBlocks, 421 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 668 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 84/90 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (((1 <= i) && ((data + 2147483648) <= 0)) || (i == 0)) - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: ((h == 0) || (((1 <= h) && ((data + 2) <= 0)) && (0 <= (data + 2)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1021.91ms. Allocated memory is still 195.0MB. Free memory was 153.9MB in the beginning and 90.3MB in the end (delta: 63.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.54ms. Allocated memory is still 195.0MB. Free memory was 90.3MB in the beginning and 87.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.45ms. Allocated memory is still 195.0MB. Free memory was 87.3MB in the beginning and 85.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 424.23ms. Allocated memory is still 195.0MB. Free memory was 85.3MB in the beginning and 68.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4572.84ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 68.0MB in the beginning and 126.7MB in the end (delta: -58.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 93.98ms. Allocated memory is still 234.9MB. Free memory was 125.7MB in the beginning and 120.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 21:48:29,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40fa9798-488f-4caa-8047-9a35a83a7d14/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