./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c --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_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/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_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/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_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/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 9c0fb6a0d32b99c9a776859d2bc15d9177dc584955a2c1baa8ac133e976f40f7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:59:38,126 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:59:38,214 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:59:38,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:59:38,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:59:38,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:59:38,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:59:38,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:59:38,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:59:38,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:59:38,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:59:38,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:59:38,266 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:59:38,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:59:38,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:59:38,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:59:38,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:59:38,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:59:38,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:59:38,269 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:59:38,269 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:59:38,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:59:38,269 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:59:38,269 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:59:38,270 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:59:38,270 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:59:38,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:59:38,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:59:38,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:59:38,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:59:38,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:59:38,270 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:59:38,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:59:38,270 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_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/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 -> 9c0fb6a0d32b99c9a776859d2bc15d9177dc584955a2c1baa8ac133e976f40f7 [2024-11-13 20:59:38,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:59:38,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:59:38,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:59:38,612 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:59:38,612 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:59:38,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c Unable to find full path for "g++" [2024-11-13 20:59:40,507 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:59:40,783 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:59:40,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c [2024-11-13 20:59:40,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/bin/ukojak-verify-EEHR8qb7sm/data/0c1191cfb/eef4c0eec6ef4b5e96b5a43299a8c633/FLAG88413e77f [2024-11-13 20:59:40,822 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/bin/ukojak-verify-EEHR8qb7sm/data/0c1191cfb/eef4c0eec6ef4b5e96b5a43299a8c633 [2024-11-13 20:59:40,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:59:40,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:59:40,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:59:40,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:59:40,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:59:40,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:59:40" (1/1) ... [2024-11-13 20:59:40,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2902c694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:40, skipping insertion in model container [2024-11-13 20:59:40,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:59:40" (1/1) ... [2024-11-13 20:59:40,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:59:41,044 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_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c[548,561] [2024-11-13 20:59:41,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:59:41,059 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:59:41,074 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_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/sv-benchmarks/c/recursive-simple/id2_i5_o5-2.c[548,561] [2024-11-13 20:59:41,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:59:41,092 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:59:41,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:41 WrapperNode [2024-11-13 20:59:41,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:59:41,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:59:41,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:59:41,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:59:41,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:41" (1/1) ... [2024-11-13 20:59:41,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:41" (1/1) ... [2024-11-13 20:59:41,120 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-11-13 20:59:41,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:59:41,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:59:41,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:59:41,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:59:41,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:41" (1/1) ... [2024-11-13 20:59:41,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:41" (1/1) ... [2024-11-13 20:59:41,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:41" (1/1) ... [2024-11-13 20:59:41,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:41" (1/1) ... [2024-11-13 20:59:41,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:41" (1/1) ... [2024-11-13 20:59:41,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:41" (1/1) ... [2024-11-13 20:59:41,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:41" (1/1) ... [2024-11-13 20:59:41,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:41" (1/1) ... [2024-11-13 20:59:41,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:59:41,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:59:41,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:59:41,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:59:41,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:59:41" (1/1) ... [2024-11-13 20:59:41,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:59:41,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:59:41,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:59:41,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:59:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:59:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:59:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2024-11-13 20:59:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2024-11-13 20:59:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:59:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:59:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-11-13 20:59:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-11-13 20:59:41,278 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:59:41,281 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:59:41,430 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 20:59:41,430 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:59:41,450 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:59:41,450 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:59:41,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:59:41 BoogieIcfgContainer [2024-11-13 20:59:41,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:59:41,452 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:59:41,452 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:59:41,463 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:59:41,463 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:59:41" (1/1) ... [2024-11-13 20:59:41,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:59:41,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:59:41,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-13 20:59:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-13 20:59:41,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:59:41,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:59:41,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:59:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:59:41,835 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 20:59:41,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:59:41,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 25 transitions. [2024-11-13 20:59:41,979 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-13 20:59:41,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:59:41,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:59:41,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:59:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:59:42,162 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 20:59:42,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:59:42,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 32 transitions. [2024-11-13 20:59:42,376 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2024-11-13 20:59:42,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:59:42,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:59:42,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:59:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:59:42,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:59:42,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:59:42,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 43 transitions. [2024-11-13 20:59:42,891 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-13 20:59:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:59:42,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:59:42,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:59:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:59:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 20:59:43,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:59:43,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 56 transitions. [2024-11-13 20:59:43,428 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2024-11-13 20:59:43,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 20:59:43,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:59:43,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:59:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:59:43,713 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 20:59:44,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:59:44,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 45 states and 71 transitions. [2024-11-13 20:59:44,077 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2024-11-13 20:59:44,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 20:59:44,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:59:44,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:59:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:59:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 20:59:47,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:59:47,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 64 states and 117 transitions. [2024-11-13 20:59:47,897 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2024-11-13 20:59:47,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 20:59:47,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:59:47,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:59:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:59:48,601 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 20:59:51,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:59:51,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 73 states and 83 transitions. [2024-11-13 20:59:51,042 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2024-11-13 20:59:51,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 20:59:51,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:59:51,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:59:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:59:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 20:59:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:59:52,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 49 states and 53 transitions. [2024-11-13 20:59:52,444 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2024-11-13 20:59:52,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:59:52,445 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-13 20:59:52,453 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 20:59:52,554 INFO L77 FloydHoareUtils]: At program point L16(line 16) the Hoare annotation is: (and (<= id2_~x |id2_#in~x|) (<= |id2_#in~x| id2_~x)) [2024-11-13 20:59:52,554 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (and (<= id2_~x |id2_#in~x|) (<= |id2_#in~x| id2_~x)) [2024-11-13 20:59:52,554 INFO L77 FloydHoareUtils]: At program point L16-1(line 16) the Hoare annotation is: true [2024-11-13 20:59:52,554 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 17) the Hoare annotation is: true [2024-11-13 20:59:52,554 INFO L77 FloydHoareUtils]: At program point id2EXIT(lines 14 17) the Hoare annotation is: true [2024-11-13 20:59:52,554 INFO L77 FloydHoareUtils]: At program point id2FINAL(lines 14 17) the Hoare annotation is: true [2024-11-13 20:59:52,554 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:59:52,554 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 23) the Hoare annotation is: true [2024-11-13 20:59:52,554 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: true [2024-11-13 20:59:52,555 INFO L77 FloydHoareUtils]: At program point L22(lines 22 24) the Hoare annotation is: true [2024-11-13 20:59:52,555 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (<= 5 |ULTIMATE.start_main_~input~0#1|) (<= |ULTIMATE.start_main_~input~0#1| 5)) [2024-11-13 20:59:52,555 INFO L77 FloydHoareUtils]: At program point L21-1(line 21) the Hoare annotation is: true [2024-11-13 20:59:52,555 INFO L77 FloydHoareUtils]: At program point L19(lines 19 25) the Hoare annotation is: true [2024-11-13 20:59:52,555 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:59:52,555 INFO L77 FloydHoareUtils]: At program point idFINAL(lines 9 12) the Hoare annotation is: true [2024-11-13 20:59:52,555 INFO L77 FloydHoareUtils]: At program point L11(line 11) the Hoare annotation is: (and (<= id_~x |id_#in~x|) (<= |id_#in~x| id_~x)) [2024-11-13 20:59:52,555 INFO L77 FloydHoareUtils]: At program point idEXIT(lines 9 12) the Hoare annotation is: true [2024-11-13 20:59:52,555 INFO L77 FloydHoareUtils]: At program point L10(line 10) the Hoare annotation is: (and (<= id_~x |id_#in~x|) (<= |id_#in~x| id_~x)) [2024-11-13 20:59:52,556 INFO L77 FloydHoareUtils]: At program point L11-1(line 11) the Hoare annotation is: true [2024-11-13 20:59:52,556 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 12) the Hoare annotation is: true [2024-11-13 20:59:52,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:59:52 ImpRootNode [2024-11-13 20:59:52,566 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:59:52,567 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:59:52,567 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:59:52,567 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:59:52,568 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:59:41" (3/4) ... [2024-11-13 20:59:52,571 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:59:52,574 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2024-11-13 20:59:52,575 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2024-11-13 20:59:52,578 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 20:59:52,578 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 20:59:52,578 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 20:59:52,578 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:59:52,660 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:59:52,660 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:59:52,660 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:59:52,661 INFO L158 Benchmark]: Toolchain (without parser) took 11825.17ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 95.1MB in the beginning and 245.5MB in the end (delta: -150.4MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. [2024-11-13 20:59:52,662 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:59:52,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.12ms. Allocated memory is still 117.4MB. Free memory was 94.7MB in the beginning and 84.1MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:59:52,663 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.73ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 83.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:59:52,663 INFO L158 Benchmark]: Boogie Preprocessor took 20.56ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.3MB in the end (delta: 697.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:59:52,664 INFO L158 Benchmark]: RCFGBuilder took 307.66ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 72.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:59:52,664 INFO L158 Benchmark]: CodeCheck took 11114.48ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 72.4MB in the beginning and 249.1MB in the end (delta: -176.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-13 20:59:52,664 INFO L158 Benchmark]: Witness Printer took 93.27ms. Allocated memory is still 352.3MB. Free memory was 249.1MB in the beginning and 245.5MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:59:52,668 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 548 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 283 mSDsluCounter, 640 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 471 mSDsCounter, 529 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2043 IncrementalHoareTripleChecker+Invalid, 2572 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 529 mSolverCounterUnsat, 169 mSDtfsCounter, 2043 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2777 GetRequests, 2523 SyntacticMatches, 96 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8856 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 240 NumberOfCodeBlocks, 240 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 147/180 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: 23]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.12ms. Allocated memory is still 117.4MB. Free memory was 94.7MB in the beginning and 84.1MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.73ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 83.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.56ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 82.3MB in the end (delta: 697.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.66ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 72.4MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11114.48ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 72.4MB in the beginning and 249.1MB in the end (delta: -176.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Witness Printer took 93.27ms. Allocated memory is still 352.3MB. Free memory was 249.1MB in the beginning and 245.5MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:59:52,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_198cdd8b-a30c-4a87-ac31-6a4c5824e7e1/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