./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/c.08.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/c.08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2 --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 e4b41eab3134232576005c452e063ce9699dbf2a52c4538827c4a32ddc3b6274 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:53:20,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:53:20,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:53:20,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:53:20,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:53:20,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:53:20,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:53:20,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:53:20,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:53:20,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:53:20,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:53:20,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:53:20,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:53:20,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:53:20,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:53:20,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:53:20,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:53:20,399 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:53:20,399 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:53:20,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:53:20,400 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:53:20,401 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:53:20,402 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:53:20,402 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:53:20,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:53:20,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:20,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:53:20,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:53:20,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:53:20,405 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:53:20,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:53:20,406 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:53:20,407 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_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4b41eab3134232576005c452e063ce9699dbf2a52c4538827c4a32ddc3b6274 [2023-11-21 18:53:20,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:53:20,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:53:20,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:53:20,759 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:53:20,759 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:53:20,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-restricted-15/c.08.c [2023-11-21 18:53:24,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:53:24,260 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:53:24,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/sv-benchmarks/c/termination-restricted-15/c.08.c [2023-11-21 18:53:24,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2/data/59fc9433f/408da422890e404e992f073f3b104218/FLAGa27817de9 [2023-11-21 18:53:24,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2/data/59fc9433f/408da422890e404e992f073f3b104218 [2023-11-21 18:53:24,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:53:24,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:53:24,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:24,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:53:24,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:53:24,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:24" (1/1) ... [2023-11-21 18:53:24,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54259304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:24, skipping insertion in model container [2023-11-21 18:53:24,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:24" (1/1) ... [2023-11-21 18:53:24,333 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:53:24,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:24,497 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:53:24,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:24,527 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:53:24,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:24 WrapperNode [2023-11-21 18:53:24,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:24,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:24,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:53:24,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:53:24,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:24" (1/1) ... [2023-11-21 18:53:24,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:24" (1/1) ... [2023-11-21 18:53:24,563 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2023-11-21 18:53:24,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:24,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:53:24,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:53:24,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:53:24,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:24" (1/1) ... [2023-11-21 18:53:24,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:24" (1/1) ... [2023-11-21 18:53:24,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:24" (1/1) ... [2023-11-21 18:53:24,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:24" (1/1) ... [2023-11-21 18:53:24,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:24" (1/1) ... [2023-11-21 18:53:24,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:24" (1/1) ... [2023-11-21 18:53:24,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:24" (1/1) ... [2023-11-21 18:53:24,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:24" (1/1) ... [2023-11-21 18:53:24,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:53:24,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:53:24,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:53:24,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:53:24,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:24" (1/1) ... [2023-11-21 18:53:24,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:24,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:53:24,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:53:24,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:53:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:53:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:53:24,745 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:53:24,747 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:53:24,838 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:53:24,865 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:53:24,865 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:53:24,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:24 BoogieIcfgContainer [2023-11-21 18:53:24,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:53:24,868 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:53:24,869 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:53:24,879 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:53:24,880 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:24" (1/1) ... [2023-11-21 18:53:24,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:53:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:24,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-21 18:53:24,949 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-21 18:53:24,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:53:24,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:24,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:25,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:25,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2023-11-21 18:53:25,125 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2023-11-21 18:53:25,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:53:25,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:25,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:25,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:25,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-21 18:53:25,253 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-21 18:53:25,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:53:25,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:25,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:25,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:25,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:25,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2023-11-21 18:53:25,378 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-21 18:53:25,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:53:25,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:25,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:25,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:25,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:25,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2023-11-21 18:53:25,585 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-11-21 18:53:25,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:53:25,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:25,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:25,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:25,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:25,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2023-11-21 18:53:25,682 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2023-11-21 18:53:25,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:53:25,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:25,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:25,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:25,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2023-11-21 18:53:25,969 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2023-11-21 18:53:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:53:25,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:25,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:25,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:53:26,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:26,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2023-11-21 18:53:26,155 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2023-11-21 18:53:26,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:53:26,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:26,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:26,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:26,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:26,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2023-11-21 18:53:26,338 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2023-11-21 18:53:26,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:53:26,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:26,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:26,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:26,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:26,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2023-11-21 18:53:26,416 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2023-11-21 18:53:26,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:53:26,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:26,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:26,461 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:53:26,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2023-11-21 18:53:26,656 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2023-11-21 18:53:26,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:53:26,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:26,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:26,680 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-21 18:53:26,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:26,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2023-11-21 18:53:26,783 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-21 18:53:26,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:53:26,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:26,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:26,808 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:53:26,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:26,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 45 states and 58 transitions. [2023-11-21 18:53:26,886 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2023-11-21 18:53:26,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:53:26,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:26,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:26,936 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-21 18:53:27,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:27,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2023-11-21 18:53:27,031 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2023-11-21 18:53:27,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:53:27,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:27,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:27,055 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:53:27,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:27,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 47 states and 59 transitions. [2023-11-21 18:53:27,173 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-21 18:53:27,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:53:27,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:27,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:27,196 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-21 18:53:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:27,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2023-11-21 18:53:27,336 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-11-21 18:53:27,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:53:27,337 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2023-11-21 18:53:27,346 INFO L751 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-21 18:53:27,495 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-21 18:53:27,502 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-11-21 18:53:27,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:53:27 ImpRootNode [2023-11-21 18:53:27,504 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:53:27,504 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:53:27,504 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:53:27,505 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:53:27,505 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:24" (3/4) ... [2023-11-21 18:53:27,508 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:53:27,516 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-21 18:53:27,516 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 18:53:27,516 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 18:53:27,610 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:53:27,610 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:53:27,611 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:53:27,611 INFO L158 Benchmark]: Toolchain (without parser) took 3315.72ms. Allocated memory is still 155.2MB. Free memory was 124.1MB in the beginning and 63.4MB in the end (delta: 60.7MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2023-11-21 18:53:27,612 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 125.8MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:53:27,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.45ms. Allocated memory is still 155.2MB. Free memory was 123.6MB in the beginning and 114.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:53:27,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.03ms. Allocated memory is still 155.2MB. Free memory was 114.2MB in the beginning and 112.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:53:27,613 INFO L158 Benchmark]: Boogie Preprocessor took 20.89ms. Allocated memory is still 155.2MB. Free memory was 112.7MB in the beginning and 111.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:53:27,614 INFO L158 Benchmark]: RCFGBuilder took 281.67ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 101.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:53:27,614 INFO L158 Benchmark]: CodeCheck took 2635.41ms. Allocated memory is still 155.2MB. Free memory was 101.7MB in the beginning and 67.6MB in the end (delta: 34.1MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2023-11-21 18:53:27,615 INFO L158 Benchmark]: Witness Printer took 106.56ms. Allocated memory is still 155.2MB. Free memory was 67.6MB in the beginning and 63.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:53:27,617 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, 16 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 732 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 629 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 315 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1836 IncrementalHoareTripleChecker+Invalid, 2151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 315 mSolverCounterUnsat, 30 mSDtfsCounter, 1836 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1235 GetRequests, 1076 SyntacticMatches, 93 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1921 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 399 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 73/82 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: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 12]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: (i <= 2147483647) - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: (((i <= 2147483647) && (0 <= j)) && (0 <= i)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 125.8MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.45ms. Allocated memory is still 155.2MB. Free memory was 123.6MB in the beginning and 114.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.03ms. Allocated memory is still 155.2MB. Free memory was 114.2MB in the beginning and 112.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.89ms. Allocated memory is still 155.2MB. Free memory was 112.7MB in the beginning and 111.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 281.67ms. Allocated memory is still 155.2MB. Free memory was 111.6MB in the beginning and 101.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2635.41ms. Allocated memory is still 155.2MB. Free memory was 101.7MB in the beginning and 67.6MB in the end (delta: 34.1MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * Witness Printer took 106.56ms. Allocated memory is still 155.2MB. Free memory was 67.6MB in the beginning and 63.4MB 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! [2023-11-21 18:53:27,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b6e83f2-19c2-4449-97b7-e53eedeeb392/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE