./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk --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 d1cc78894862a8232926a266f0e84c32d40ba4c1c811df274fffc61517c63c36 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:06:28,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:06:28,766 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:06:28,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:06:28,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:06:28,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:06:28,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:06:28,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:06:28,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:06:28,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:06:28,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:06:28,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:06:28,816 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:06:28,819 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:06:28,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:06:28,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:06:28,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:06:28,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:06:28,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:06:28,821 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:06:28,825 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:06:28,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:06:28,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:06:28,827 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:06:28,827 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:06:28,827 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:06:28,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:06:28,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:06:28,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:06:28,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:06:28,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:06:28,831 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:06:28,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:06:28,831 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_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1cc78894862a8232926a266f0e84c32d40ba4c1c811df274fffc61517c63c36 [2024-11-09 00:06:29,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:06:29,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:06:29,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:06:29,133 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:06:29,133 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:06:29,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c Unable to find full path for "g++" [2024-11-09 00:06:31,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:06:31,419 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:06:31,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/sv-benchmarks/c/eca-rers2012/Problem10_label51.c [2024-11-09 00:06:31,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk/data/dfc38c3b0/8584f1682e424fc7be317007930bdba5/FLAGe3405dae4 [2024-11-09 00:06:31,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk/data/dfc38c3b0/8584f1682e424fc7be317007930bdba5 [2024-11-09 00:06:31,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:06:31,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:06:31,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:06:31,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:06:31,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:06:31,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:06:31" (1/1) ... [2024-11-09 00:06:31,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8c0dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:31, skipping insertion in model container [2024-11-09 00:06:31,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:06:31" (1/1) ... [2024-11-09 00:06:31,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:06:31,771 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_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/sv-benchmarks/c/eca-rers2012/Problem10_label51.c[5763,5776] [2024-11-09 00:06:31,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:06:31,950 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:06:32,009 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_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/sv-benchmarks/c/eca-rers2012/Problem10_label51.c[5763,5776] [2024-11-09 00:06:32,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:06:32,159 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:06:32,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:32 WrapperNode [2024-11-09 00:06:32,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:06:32,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:06:32,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:06:32,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:06:32,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:32" (1/1) ... [2024-11-09 00:06:32,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:32" (1/1) ... [2024-11-09 00:06:32,325 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-09 00:06:32,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:06:32,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:06:32,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:06:32,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:06:32,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:32" (1/1) ... [2024-11-09 00:06:32,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:32" (1/1) ... [2024-11-09 00:06:32,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:32" (1/1) ... [2024-11-09 00:06:32,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:32" (1/1) ... [2024-11-09 00:06:32,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:32" (1/1) ... [2024-11-09 00:06:32,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:32" (1/1) ... [2024-11-09 00:06:32,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:32" (1/1) ... [2024-11-09 00:06:32,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:32" (1/1) ... [2024-11-09 00:06:32,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:06:32,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:06:32,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:06:32,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:06:32,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:06:32" (1/1) ... [2024-11-09 00:06:32,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:06:32,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:06:32,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:06:32,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:06:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:06:32,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:06:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:06:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:06:32,611 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:06:32,613 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:06:34,004 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-09 00:06:34,004 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:06:37,141 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:06:37,141 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:06:37,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:37 BoogieIcfgContainer [2024-11-09 00:06:37,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:06:37,143 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:06:37,143 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:06:37,154 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:06:37,155 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:37" (1/1) ... [2024-11-09 00:06:37,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:06:37,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:37,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-09 00:06:37,233 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-09 00:06:37,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:06:37,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:37,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:37,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:37,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-09 00:06:37,805 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-09 00:06:37,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:06:37,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:37,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:51,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:06:52,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2024-11-09 00:06:52,443 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2024-11-09 00:06:52,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:06:52,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:52,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:06:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:07:07,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:07,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2024-11-09 00:07:07,102 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-11-09 00:07:07,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:07:07,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:07,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:30,188 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:07:31,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:31,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 36 states and 67 transitions. [2024-11-09 00:07:31,981 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2024-11-09 00:07:31,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:07:31,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:31,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:07:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:42,950 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:07:43,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:43,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 47 transitions. [2024-11-09 00:07:43,505 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 47 transitions. [2024-11-09 00:07:43,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:07:43,505 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-09 00:07:43,515 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:07:44,224 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (= 14 ~a4~0) (or (not (= ~a19~0 8)) (< 0 (+ ~a1~0 13)) (not (= ~a10~0 3))) (= ~a12~0 0)) [2024-11-09 00:07:44,224 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-09 00:07:44,225 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:07:44,225 INFO L77 FloydHoareUtils]: At program point L160-1(lines 30 584) the Hoare annotation is: (let ((.cse2 (+ ~a1~0 13)) (.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (or (not (= ~a10~0 1)) (< ~a1~0 39)) (not (= ~a10~0 4)) .cse0 (or (< ~a1~0 219) (not (= ~a10~0 0))) .cse1 (< 0 .cse2)) (and (not (= ~a19~0 8)) .cse0 .cse1) (and (<= .cse2 0) .cse0 .cse1 (not (= ~a10~0 3))))) [2024-11-09 00:07:44,225 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:07:44,225 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (= 14 ~a4~0) (or (not (= ~a19~0 8)) (< 0 (+ ~a1~0 13)) (not (= ~a10~0 3))) (= ~a12~0 0)) [2024-11-09 00:07:44,226 INFO L77 FloydHoareUtils]: At program point L163-1(lines 30 584) the Hoare annotation is: (not (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (and (not (and (not (= ~a19~0 8)) .cse0 .cse1)) (not (and (or (not (= ~a10~0 4)) (< (+ ~a1~0 12) 0)) .cse0 .cse1 (or (< 0 (+ ~a1~0 13)) (not (= ~a10~0 3)))))))) [2024-11-09 00:07:44,226 INFO L75 FloydHoareUtils]: For program point L164(line 164) no Hoare annotation was computed. [2024-11-09 00:07:44,226 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 164) no Hoare annotation was computed. [2024-11-09 00:07:44,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:07:44 ImpRootNode [2024-11-09 00:07:44,243 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:07:44,244 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:07:44,244 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:07:44,244 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:07:44,247 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:06:37" (3/4) ... [2024-11-09 00:07:44,250 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:07:44,268 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2024-11-09 00:07:44,269 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-09 00:07:44,270 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:07:44,271 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:07:44,486 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:07:44,486 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:07:44,486 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:07:44,488 INFO L158 Benchmark]: Toolchain (without parser) took 73020.25ms. Allocated memory was 144.7MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 104.7MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-09 00:07:44,488 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 144.7MB. Free memory was 88.0MB in the beginning and 87.8MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:07:44,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.37ms. Allocated memory is still 144.7MB. Free memory was 104.7MB in the beginning and 74.6MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 00:07:44,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 164.38ms. Allocated memory was 144.7MB in the beginning and 201.3MB in the end (delta: 56.6MB). Free memory was 74.6MB in the beginning and 165.5MB in the end (delta: -90.9MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-09 00:07:44,491 INFO L158 Benchmark]: Boogie Preprocessor took 120.28ms. Allocated memory is still 201.3MB. Free memory was 165.5MB in the beginning and 160.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:07:44,491 INFO L158 Benchmark]: RCFGBuilder took 4695.38ms. Allocated memory was 201.3MB in the beginning and 383.8MB in the end (delta: 182.5MB). Free memory was 160.4MB in the beginning and 313.7MB in the end (delta: -153.3MB). Peak memory consumption was 231.2MB. Max. memory is 16.1GB. [2024-11-09 00:07:44,491 INFO L158 Benchmark]: CodeCheck took 67100.39ms. Allocated memory was 383.8MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 313.7MB in the beginning and 811.6MB in the end (delta: -497.9MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-09 00:07:44,492 INFO L158 Benchmark]: Witness Printer took 242.82ms. Allocated memory is still 2.2GB. Free memory was 811.6MB in the beginning and 2.1GB in the end (delta: -1.3GB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:07:44,494 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 66.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 155 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 436 IncrementalHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 65 mSDtfsCounter, 436 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 588 GetRequests, 485 SyntacticMatches, 17 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3465 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 61.3s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 777 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 26/44 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: 164]: 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: 592]: Loop Invariant Derived loop invariant: (((14 == a4) && (((a19 != 8) || (0 < ((long long) a1 + 13))) || (a10 != 3))) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: !(!(((a19 != 8) && (14 == a4)) && (a12 == 0)) && !(((((a10 != 4) || (((long long) a1 + 12) < 0)) && (14 == a4)) && (a12 == 0)) && ((0 < ((long long) a1 + 13)) || (a10 != 3)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 144.7MB. Free memory was 88.0MB in the beginning and 87.8MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.37ms. Allocated memory is still 144.7MB. Free memory was 104.7MB in the beginning and 74.6MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 164.38ms. Allocated memory was 144.7MB in the beginning and 201.3MB in the end (delta: 56.6MB). Free memory was 74.6MB in the beginning and 165.5MB in the end (delta: -90.9MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.28ms. Allocated memory is still 201.3MB. Free memory was 165.5MB in the beginning and 160.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4695.38ms. Allocated memory was 201.3MB in the beginning and 383.8MB in the end (delta: 182.5MB). Free memory was 160.4MB in the beginning and 313.7MB in the end (delta: -153.3MB). Peak memory consumption was 231.2MB. Max. memory is 16.1GB. * CodeCheck took 67100.39ms. Allocated memory was 383.8MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 313.7MB in the beginning and 811.6MB in the end (delta: -497.9MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 242.82ms. Allocated memory is still 2.2GB. Free memory was 811.6MB in the beginning and 2.1GB in the end (delta: -1.3GB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:07:44,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c02395d1-fbf7-4b3b-b936-080a2f6ac04b/bin/ukojak-verify-ImItNfHLgk/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