./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/large_const.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/large_const.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:25:46,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:25:46,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:25:46,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:25:46,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:25:46,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:25:46,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:25:46,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:25:46,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:25:46,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:25:46,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:25:46,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:25:46,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:25:46,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:25:46,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:25:46,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:25:46,257 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:25:46,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:25:46,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:25:46,258 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:25:46,258 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:25:46,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:25:46,258 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:25:46,258 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:25:46,258 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:25:46,258 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:25:46,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:25:46,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:46,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:25:46,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:25:46,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:25:46,259 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:25:46,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:25:46,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm 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 ! call(reach_error())) ) 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 -> 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 [2024-11-13 23:25:46,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:25:46,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:25:46,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:25:46,630 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:25:46,630 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:25:46,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-invgen/large_const.i Unable to find full path for "g++" [2024-11-13 23:25:48,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:25:48,934 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:25:48,937 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/sv-benchmarks/c/loop-invgen/large_const.i [2024-11-13 23:25:48,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm/data/e718863b5/75c60cde108f40b5afc61ed9cf06099e/FLAGc2f1c437b [2024-11-13 23:25:48,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm/data/e718863b5/75c60cde108f40b5afc61ed9cf06099e [2024-11-13 23:25:48,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:25:48,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:25:48,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:48,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:25:48,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:25:48,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:48" (1/1) ... [2024-11-13 23:25:48,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a4e0bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:48, skipping insertion in model container [2024-11-13 23:25:48,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:48" (1/1) ... [2024-11-13 23:25:48,993 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:25:49,162 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2024-11-13 23:25:49,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:49,186 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:25:49,198 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2024-11-13 23:25:49,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:49,215 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:25:49,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:49 WrapperNode [2024-11-13 23:25:49,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:49,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:49,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:25:49,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:25:49,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:49" (1/1) ... [2024-11-13 23:25:49,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:49" (1/1) ... [2024-11-13 23:25:49,246 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-11-13 23:25:49,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:49,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:25:49,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:25:49,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:25:49,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:49" (1/1) ... [2024-11-13 23:25:49,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:49" (1/1) ... [2024-11-13 23:25:49,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:49" (1/1) ... [2024-11-13 23:25:49,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:49" (1/1) ... [2024-11-13 23:25:49,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:49" (1/1) ... [2024-11-13 23:25:49,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:49" (1/1) ... [2024-11-13 23:25:49,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:49" (1/1) ... [2024-11-13 23:25:49,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:49" (1/1) ... [2024-11-13 23:25:49,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:25:49,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:25:49,265 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:25:49,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:25:49,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:49" (1/1) ... [2024-11-13 23:25:49,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:49,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:25:49,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:25:49,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:25:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:25:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:25:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:25:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:25:49,430 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:25:49,431 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:25:49,568 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 23:25:49,568 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:25:49,621 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:25:49,622 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 23:25:49,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:49 BoogieIcfgContainer [2024-11-13 23:25:49,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:25:49,623 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:25:49,623 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:25:49,634 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:25:49,635 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:49" (1/1) ... [2024-11-13 23:25:49,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:25:49,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:49,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-11-13 23:25:49,707 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-11-13 23:25:49,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:25:49,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:49,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:25:50,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:50,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2024-11-13 23:25:50,058 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2024-11-13 23:25:50,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:25:50,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:50,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:50,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:25:51,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:51,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2024-11-13 23:25:51,048 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2024-11-13 23:25:51,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:25:51,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:51,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:51,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:25:51,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:51,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 20 states and 40 transitions. [2024-11-13 23:25:51,663 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 40 transitions. [2024-11-13 23:25:51,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:25:51,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:51,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:25:51,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:51,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2024-11-13 23:25:51,964 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2024-11-13 23:25:51,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:25:51,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:51,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:52,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:25:53,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:53,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-13 23:25:53,120 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-13 23:25:53,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:25:53,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:53,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:53,231 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:25:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:53,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-11-13 23:25:53,929 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-11-13 23:25:53,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:25:53,930 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 23:25:53,942 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:25:54,194 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: (and (<= 2000 |ULTIMATE.start_main_~c2~0#1|) (<= 4000 |ULTIMATE.start_main_~c1~0#1|) (<= 10000 |ULTIMATE.start_main_~c3~0#1|)) [2024-11-13 23:25:54,194 INFO L75 FloydHoareUtils]: For program point L19(line 19) no Hoare annotation was computed. [2024-11-13 23:25:54,194 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 24 52) the Hoare annotation is: true [2024-11-13 23:25:54,195 INFO L77 FloydHoareUtils]: At program point L40-2(lines 34 44) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~i~0#1| 0))) (or (and (not .cse0) (<= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~i~0#1|) (< 1999 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~n~0#1| 1)) (and .cse0 (<= 2000 |ULTIMATE.start_main_~c2~0#1|) (<= 4000 |ULTIMATE.start_main_~c1~0#1|) (= |ULTIMATE.start_main_~k~0#1| 0) (<= 10000 |ULTIMATE.start_main_~c3~0#1|)))) [2024-11-13 23:25:54,195 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2024-11-13 23:25:54,195 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 2000 |ULTIMATE.start_main_~c2~0#1|) (<= 4000 |ULTIMATE.start_main_~c1~0#1|) (= |ULTIMATE.start_main_~k~0#1| 0) (<= 10000 |ULTIMATE.start_main_~c3~0#1|)) [2024-11-13 23:25:54,195 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:25:54,195 INFO L77 FloydHoareUtils]: At program point L46-2(lines 46 50) the Hoare annotation is: (or (and (< 1999 |ULTIMATE.start_main_~k~0#1|) (= |ULTIMATE.start_main_~j~0#1| 0) (<= |ULTIMATE.start_main_~n~0#1| 1)) (<= |ULTIMATE.start_main_~n~0#1| |ULTIMATE.start_main_~j~0#1|)) [2024-11-13 23:25:54,195 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:25:54,195 INFO L77 FloydHoareUtils]: At program point L18(lines 18 20) the Hoare annotation is: (and (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) (= |ULTIMATE.start_main_~j~0#1| 0) (<= |ULTIMATE.start_main_~n~0#1| 1)) [2024-11-13 23:25:54,196 INFO L77 FloydHoareUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: (and (= |ULTIMATE.start_main_~j~0#1| 0) (<= |ULTIMATE.start_main_~n~0#1| 1)) [2024-11-13 23:25:54,205 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~j~0 [2024-11-13 23:25:54,206 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~n~0 [2024-11-13 23:25:54,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:25:54 ImpRootNode [2024-11-13 23:25:54,210 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:25:54,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:25:54,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:25:54,211 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:25:54,212 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:49" (3/4) ... [2024-11-13 23:25:54,214 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:25:54,222 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 23:25:54,222 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 23:25:54,222 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:25:54,222 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:25:54,303 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:25:54,303 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:25:54,304 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:25:54,305 INFO L158 Benchmark]: Toolchain (without parser) took 5336.05ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.9MB in the beginning and 194.5MB in the end (delta: -100.6MB). Peak memory consumption was 128.4MB. Max. memory is 16.1GB. [2024-11-13 23:25:54,305 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:54,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.12ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:25:54,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.25ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:54,306 INFO L158 Benchmark]: Boogie Preprocessor took 17.45ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.5MB in the end (delta: 686.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:54,306 INFO L158 Benchmark]: RCFGBuilder took 356.95ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 68.1MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:25:54,307 INFO L158 Benchmark]: CodeCheck took 4587.17ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 67.8MB in the beginning and 198.8MB in the end (delta: -131.0MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. [2024-11-13 23:25:54,307 INFO L158 Benchmark]: Witness Printer took 92.66ms. Allocated memory is still 352.3MB. Free memory was 198.8MB in the beginning and 194.5MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:54,309 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 126 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 482 IncrementalHoareTripleChecker+Invalid, 608 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 126 mSolverCounterUnsat, 58 mSDtfsCounter, 482 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 567 GetRequests, 485 SyntacticMatches, 6 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1902 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 12/20 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: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((i != 0) && (n <= i)) && (1999 < k)) && (n <= 1)) || (((((i == 0) && (2000 <= c2)) && (4000 <= c1)) && (k == 0)) && (10000 <= c3))) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((1999 < k) && (j == 0)) && (n <= 1)) || (n <= j)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.12ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.6MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.25ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.45ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.5MB in the end (delta: 686.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 356.95ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 68.1MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4587.17ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 67.8MB in the beginning and 198.8MB in the end (delta: -131.0MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. * Witness Printer took 92.66ms. Allocated memory is still 352.3MB. Free memory was 198.8MB in the beginning and 194.5MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~j~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~n~0 RESULT: Ultimate proved your program to be correct! [2024-11-13 23:25:54,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b26302-71c1-4dcd-9a87-79684ccbfd2c/bin/ukojak-verify-EEHR8qb7sm/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