./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL --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 30423d130febadd361f3e4a853592861e7b12a17e365ee39eab7e3a86989589e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:45:49,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:45:49,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:45:49,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:45:49,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:45:49,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:45:49,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:45:49,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:45:49,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:45:49,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:45:49,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:45:49,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:45:49,290 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:45:49,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:45:49,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:45:49,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:45:49,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:45:49,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:45:49,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:45:49,294 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:45:49,295 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:45:49,296 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:45:49,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:45:49,297 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:45:49,298 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:45:49,302 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:45:49,303 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:45:49,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:45:49,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:49,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:45:49,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:45:49,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:45:49,305 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:45:49,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:45:49,306 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:45:49,306 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_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30423d130febadd361f3e4a853592861e7b12a17e365ee39eab7e3a86989589e [2023-11-19 02:45:49,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:45:49,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:45:49,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:45:49,573 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:45:49,574 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:45:49,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i [2023-11-19 02:45:52,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:52,914 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:52,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i [2023-11-19 02:45:52,923 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL/data/67fdd6923/95f6e4fbb9be48cf87a7199ea9cdfdc1/FLAG6154effbe [2023-11-19 02:45:52,942 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL/data/67fdd6923/95f6e4fbb9be48cf87a7199ea9cdfdc1 [2023-11-19 02:45:52,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:52,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:52,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:52,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:52,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:52,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59732d88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:52, skipping insertion in model container [2023-11-19 02:45:52,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:52" (1/1) ... [2023-11-19 02:45:52,994 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:53,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:53,216 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:53,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:53,253 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:53,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:53 WrapperNode [2023-11-19 02:45:53,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:53,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:53,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:53,256 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:53,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:53" (1/1) ... [2023-11-19 02:45:53,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:53" (1/1) ... [2023-11-19 02:45:53,288 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 33 [2023-11-19 02:45:53,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:53,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:53,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:53,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:53,299 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:53" (1/1) ... [2023-11-19 02:45:53,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:53" (1/1) ... [2023-11-19 02:45:53,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:53" (1/1) ... [2023-11-19 02:45:53,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:53" (1/1) ... [2023-11-19 02:45:53,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:53" (1/1) ... [2023-11-19 02:45:53,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:53" (1/1) ... [2023-11-19 02:45:53,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:53" (1/1) ... [2023-11-19 02:45:53,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:53" (1/1) ... [2023-11-19 02:45:53,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:53,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:53,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:53,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:53,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:53" (1/1) ... [2023-11-19 02:45:53,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:53,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:53,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:53,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:53,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:45:53,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:53,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:53,459 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:53,461 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:53,589 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:53,626 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:53,626 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:45:53,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:53 BoogieIcfgContainer [2023-11-19 02:45:53,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:53,638 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:53,639 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:53,649 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:53,651 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:53" (1/1) ... [2023-11-19 02:45:53,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:53,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 02:45:53,737 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 02:45:53,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:45:53,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:53,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-19 02:45:53,959 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-19 02:45:53,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:45:53,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:53,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:54,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:45:54,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:54,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:54,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 02:45:54,147 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 02:45:54,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:45:54,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:54,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:54,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:45:54,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:54,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:54,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:54,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 02:45:54,254 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 02:45:54,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:45:54,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:54,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:54,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:45:54,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:54,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:54,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:54,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-19 02:45:54,420 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-19 02:45:54,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:45:54,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:54,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:54,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:45:54,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:54,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:45:54,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:54,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-19 02:45:54,796 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-19 02:45:54,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:45:54,796 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-19 02:45:54,808 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 02:45:54,852 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:45:54,856 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-11-19 02:45:54,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:45:54 ImpRootNode [2023-11-19 02:45:54,862 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:45:54,864 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:45:54,864 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:45:54,864 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:45:54,865 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:53" (3/4) ... [2023-11-19 02:45:54,867 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:45:54,876 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-19 02:45:54,877 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 02:45:54,877 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 02:45:54,877 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:45:54,974 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:45:54,975 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:45:54,975 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:45:54,979 INFO L158 Benchmark]: Toolchain (without parser) took 2022.79ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 86.8MB in the beginning and 88.2MB in the end (delta: -1.4MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2023-11-19 02:45:54,979 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory was 80.1MB in the beginning and 79.9MB in the end (delta: 253.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:54,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.15ms. Allocated memory is still 123.7MB. Free memory was 86.5MB in the beginning and 76.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:45:54,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.74ms. Allocated memory is still 123.7MB. Free memory was 76.6MB in the beginning and 75.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:45:54,988 INFO L158 Benchmark]: Boogie Preprocessor took 21.64ms. Allocated memory is still 123.7MB. Free memory was 75.0MB in the beginning and 74.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:54,988 INFO L158 Benchmark]: RCFGBuilder took 325.40ms. Allocated memory is still 123.7MB. Free memory was 74.0MB in the beginning and 63.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:45:54,989 INFO L158 Benchmark]: CodeCheck took 1223.83ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 63.0MB in the beginning and 93.1MB in the end (delta: -30.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-19 02:45:54,989 INFO L158 Benchmark]: Witness Printer took 111.67ms. Allocated memory is still 157.3MB. Free memory was 92.4MB in the beginning and 88.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:45:54,992 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: 1.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 141 IncrementalHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 20 mSDtfsCounter, 141 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 224 GetRequests, 200 SyntacticMatches, 6 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 104 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 0/2 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: 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: 22]: Loop Invariant Derived loop invariant: (((i <= 10) && (9 < i)) || ((0 <= (9 + i)) && (i <= 9))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory was 80.1MB in the beginning and 79.9MB in the end (delta: 253.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.15ms. Allocated memory is still 123.7MB. Free memory was 86.5MB in the beginning and 76.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.74ms. Allocated memory is still 123.7MB. Free memory was 76.6MB in the beginning and 75.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.64ms. Allocated memory is still 123.7MB. Free memory was 75.0MB in the beginning and 74.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 325.40ms. Allocated memory is still 123.7MB. Free memory was 74.0MB in the beginning and 63.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1223.83ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 63.0MB in the beginning and 93.1MB in the end (delta: -30.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Witness Printer took 111.67ms. Allocated memory is still 157.3MB. Free memory was 92.4MB in the beginning and 88.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:45:55,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a509f4-9c0a-445f-bd53-28496d2eabf9/bin/ukojak-verify-G8NBE6pJGL/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