./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3 --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 92b4501808affebdeca741bfd6f75263ab313d5eceb196bbb78aea107ecea6ed --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:20:22,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:20:22,759 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:20:22,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:20:22,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:20:22,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:20:22,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:20:22,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:20:22,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:20:22,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:20:22,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:20:22,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:20:22,832 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:20:22,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:20:22,832 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:20:22,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:20:22,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:20:22,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:20:22,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:20:22,833 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:20:22,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:20:22,834 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:20:22,834 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:20:22,834 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:20:22,834 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:20:22,834 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:20:22,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:20:22,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:20:22,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:20:22,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:20:22,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:20:22,835 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:20:22,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:20:22,836 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_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3 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 -> 92b4501808affebdeca741bfd6f75263ab313d5eceb196bbb78aea107ecea6ed [2024-11-24 18:20:23,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:20:23,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:20:23,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:20:23,289 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:20:23,290 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:20:23,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2024-11-24 18:20:26,939 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3/data/ca5e536cd/694b2c9d679b4d6cb5c4a915e7328cea/FLAG25b37d9a0 [2024-11-24 18:20:27,195 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:20:27,195 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2024-11-24 18:20:27,202 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3/data/ca5e536cd/694b2c9d679b4d6cb5c4a915e7328cea/FLAG25b37d9a0 [2024-11-24 18:20:27,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3/data/ca5e536cd/694b2c9d679b4d6cb5c4a915e7328cea [2024-11-24 18:20:27,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:20:27,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:20:27,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:20:27,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:20:27,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:20:27,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:20:27" (1/1) ... [2024-11-24 18:20:27,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e27b1bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:27, skipping insertion in model container [2024-11-24 18:20:27,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:20:27" (1/1) ... [2024-11-24 18:20:27,252 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:20:27,441 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_9078c3b4-0be8-4808-a702-552e67e2939f/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c[1250,1263] [2024-11-24 18:20:27,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:20:27,460 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:20:27,479 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_9078c3b4-0be8-4808-a702-552e67e2939f/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c[1250,1263] [2024-11-24 18:20:27,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:20:27,501 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:20:27,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:27 WrapperNode [2024-11-24 18:20:27,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:20:27,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:20:27,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:20:27,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:20:27,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:27" (1/1) ... [2024-11-24 18:20:27,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:27" (1/1) ... [2024-11-24 18:20:27,542 INFO L138 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2024-11-24 18:20:27,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:20:27,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:20:27,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:20:27,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:20:27,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:27" (1/1) ... [2024-11-24 18:20:27,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:27" (1/1) ... [2024-11-24 18:20:27,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:27" (1/1) ... [2024-11-24 18:20:27,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:27" (1/1) ... [2024-11-24 18:20:27,558 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:27" (1/1) ... [2024-11-24 18:20:27,560 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:27" (1/1) ... [2024-11-24 18:20:27,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:27" (1/1) ... [2024-11-24 18:20:27,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:27" (1/1) ... [2024-11-24 18:20:27,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:27" (1/1) ... [2024-11-24 18:20:27,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:20:27,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:20:27,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:20:27,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:20:27,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:20:27" (1/1) ... [2024-11-24 18:20:27,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:20:27,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:20:27,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:20:27,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:20:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:20:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:20:27,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:20:27,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:20:27,700 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:20:27,702 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:20:27,831 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-24 18:20:27,831 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:20:27,967 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:20:27,968 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:20:27,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:20:27 BoogieIcfgContainer [2024-11-24 18:20:27,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:20:27,971 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:20:27,971 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:20:27,984 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:20:27,985 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:20:27" (1/1) ... [2024-11-24 18:20:27,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:20:28,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:28,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-24 18:20:28,076 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-24 18:20:28,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:20:28,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:28,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:20:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:28,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:20:28,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:28,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-24 18:20:28,484 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-24 18:20:28,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:20:28,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:28,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:20:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:29,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:20:29,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:29,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-11-24 18:20:29,686 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-11-24 18:20:29,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 18:20:29,686 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-24 18:20:29,694 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-24 18:20:29,758 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-24 18:20:29,758 INFO L77 FloydHoareUtils]: At program point L54(lines 54 76) the Hoare annotation is: (or (< (mod (+ |ULTIMATE.start_main_~main__x~0#1| (* 2 (div |ULTIMATE.start_main_~main__x~0#1| 4294967296))) 3) 1) (= |ULTIMATE.start_main_~main__y~0#1| 1)) [2024-11-24 18:20:29,759 INFO L77 FloydHoareUtils]: At program point L13(lines 10 78) the Hoare annotation is: (or (< (mod (+ |ULTIMATE.start_main_~main__x~0#1| (* 2 (div |ULTIMATE.start_main_~main__x~0#1| 4294967296))) 3) 1) (= |ULTIMATE.start_main_~main__y~0#1| 1)) [2024-11-24 18:20:29,759 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-24 18:20:29,759 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 9 78) the Hoare annotation is: true [2024-11-24 18:20:29,759 INFO L75 FloydHoareUtils]: For program point L63(line 63) no Hoare annotation was computed. [2024-11-24 18:20:29,759 INFO L77 FloydHoareUtils]: At program point L61(lines 61 70) the Hoare annotation is: (not (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1| 0)) [2024-11-24 18:20:29,759 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 63) no Hoare annotation was computed. [2024-11-24 18:20:29,759 INFO L77 FloydHoareUtils]: At program point L16(lines 16 77) the Hoare annotation is: (or (< (mod (+ |ULTIMATE.start_main_~main__x~0#1| (* 2 (div |ULTIMATE.start_main_~main__x~0#1| 4294967296))) 3) 1) (= |ULTIMATE.start_main_~main__y~0#1| 1)) [2024-11-24 18:20:29,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:20:29 ImpRootNode [2024-11-24 18:20:29,772 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:20:29,773 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:20:29,774 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:20:29,774 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:20:29,774 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:20:27" (3/4) ... [2024-11-24 18:20:29,778 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 18:20:29,785 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-24 18:20:29,786 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-24 18:20:29,787 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 18:20:29,787 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 18:20:29,859 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:20:29,859 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:20:29,860 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:20:29,860 INFO L158 Benchmark]: Toolchain (without parser) took 2638.36ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 45.8MB in the end (delta: 47.4MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2024-11-24 18:20:29,861 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:20:29,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.74ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:20:29,861 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.85ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:20:29,861 INFO L158 Benchmark]: Boogie Preprocessor took 26.75ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.3MB in the end (delta: 522.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:20:29,862 INFO L158 Benchmark]: RCFGBuilder took 398.18ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 67.1MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:20:29,862 INFO L158 Benchmark]: CodeCheck took 1801.74ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 50.7MB in the end (delta: 16.5MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-11-24 18:20:29,862 INFO L158 Benchmark]: Witness Printer took 86.15ms. Allocated memory is still 117.4MB. Free memory was 50.7MB in the beginning and 45.8MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:20:29,864 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: 1.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 14 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 63]: 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: 10]: Location Invariant Derived location invariant: (((main__x % 3) < 1) || (main__y == 1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.74ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.85ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.75ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.3MB in the end (delta: 522.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 398.18ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 67.1MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1801.74ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 50.7MB in the end (delta: 16.5MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Witness Printer took 86.15ms. Allocated memory is still 117.4MB. Free memory was 50.7MB in the beginning and 45.8MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-24 18:20:29,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9078c3b4-0be8-4808-a702-552e67e2939f/bin/ukojak-verify-ENZ3QT5qd3/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