./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invariants/eq1.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_5e7572d4-e010-44b1-adc8-0a7299959d4c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7572d4-e010-44b1-adc8-0a7299959d4c/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_5e7572d4-e010-44b1-adc8-0a7299959d4c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7572d4-e010-44b1-adc8-0a7299959d4c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invariants/eq1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7572d4-e010-44b1-adc8-0a7299959d4c/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_5e7572d4-e010-44b1-adc8-0a7299959d4c/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 ae5f1fff3bb2ff86380b316485dce79621d8b0e49d86d465419850c3d4f0724a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:03:40,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:03:40,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7572d4-e010-44b1-adc8-0a7299959d4c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:03:40,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:03:40,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:03:40,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:03:40,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:03:40,498 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:03:40,498 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:03:40,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:03:40,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:03:40,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:03:40,499 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:03:40,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:03:40,499 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:03:40,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:03:40,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:03:40,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:03:40,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:03:40,500 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:03:40,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:03:40,500 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:03:40,500 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:03:40,500 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:03:40,500 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:03:40,500 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:03:40,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:03:40,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:03:40,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:03:40,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:03:40,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:03:40,503 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:03:40,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:03:40,503 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_5e7572d4-e010-44b1-adc8-0a7299959d4c/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 -> ae5f1fff3bb2ff86380b316485dce79621d8b0e49d86d465419850c3d4f0724a [2024-11-25 02:03:40,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:03:40,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:03:40,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:03:40,807 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:03:40,808 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:03:40,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7572d4-e010-44b1-adc8-0a7299959d4c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-invariants/eq1.c [2024-11-25 02:03:43,786 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7572d4-e010-44b1-adc8-0a7299959d4c/bin/ukojak-verify-ENZ3QT5qd3/data/e0114b6ea/01124657898145a28bd5b905f2689315/FLAG6d4d426b3 [2024-11-25 02:03:44,094 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:03:44,094 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7572d4-e010-44b1-adc8-0a7299959d4c/sv-benchmarks/c/loop-invariants/eq1.c [2024-11-25 02:03:44,111 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7572d4-e010-44b1-adc8-0a7299959d4c/bin/ukojak-verify-ENZ3QT5qd3/data/e0114b6ea/01124657898145a28bd5b905f2689315/FLAG6d4d426b3 [2024-11-25 02:03:44,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7572d4-e010-44b1-adc8-0a7299959d4c/bin/ukojak-verify-ENZ3QT5qd3/data/e0114b6ea/01124657898145a28bd5b905f2689315 [2024-11-25 02:03:44,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:03:44,352 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:03:44,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:03:44,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:03:44,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:03:44,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:03:44" (1/1) ... [2024-11-25 02:03:44,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a47e716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:44, skipping insertion in model container [2024-11-25 02:03:44,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:03:44" (1/1) ... [2024-11-25 02:03:44,376 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:03:44,558 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_5e7572d4-e010-44b1-adc8-0a7299959d4c/sv-benchmarks/c/loop-invariants/eq1.c[593,606] [2024-11-25 02:03:44,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:03:44,592 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:03:44,605 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_5e7572d4-e010-44b1-adc8-0a7299959d4c/sv-benchmarks/c/loop-invariants/eq1.c[593,606] [2024-11-25 02:03:44,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:03:44,626 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:03:44,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:44 WrapperNode [2024-11-25 02:03:44,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:03:44,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:03:44,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:03:44,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:03:44,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:44" (1/1) ... [2024-11-25 02:03:44,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:44" (1/1) ... [2024-11-25 02:03:44,667 INFO L138 Inliner]: procedures = 13, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2024-11-25 02:03:44,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:03:44,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:03:44,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:03:44,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:03:44,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:44" (1/1) ... [2024-11-25 02:03:44,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:44" (1/1) ... [2024-11-25 02:03:44,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:44" (1/1) ... [2024-11-25 02:03:44,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:44" (1/1) ... [2024-11-25 02:03:44,685 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:44" (1/1) ... [2024-11-25 02:03:44,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:44" (1/1) ... [2024-11-25 02:03:44,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:44" (1/1) ... [2024-11-25 02:03:44,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:44" (1/1) ... [2024-11-25 02:03:44,694 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:44" (1/1) ... [2024-11-25 02:03:44,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:03:44,700 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:03:44,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:03:44,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:03:44,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:44" (1/1) ... [2024-11-25 02:03:44,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:03:44,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7572d4-e010-44b1-adc8-0a7299959d4c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:03:44,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7572d4-e010-44b1-adc8-0a7299959d4c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:03:44,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7572d4-e010-44b1-adc8-0a7299959d4c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:03:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:03:44,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:03:44,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:03:44,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:03:44,844 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:03:44,847 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:03:45,002 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 02:03:45,004 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:03:45,074 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:03:45,074 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:03:45,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:45 BoogieIcfgContainer [2024-11-25 02:03:45,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:03:45,076 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:03:45,076 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:03:45,089 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:03:45,090 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:45" (1/1) ... [2024-11-25 02:03:45,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:03:45,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 02:03:45,144 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 02:03:45,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:03:45,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:45,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:03:45,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:45,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-25 02:03:45,294 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-25 02:03:45,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:03:45,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:45,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:03:46,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:46,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-25 02:03:46,025 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-11-25 02:03:46,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:03:46,026 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-25 02:03:46,036 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 02:03:46,066 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:03:46,067 INFO L77 FloydHoareUtils]: At program point L23-1(lines 23 29) the Hoare annotation is: (and (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start_main_~w~0#1| |ULTIMATE.start_main_~x~0#1|)) [2024-11-25 02:03:46,067 INFO L77 FloydHoareUtils]: At program point L23-4(lines 23 29) the Hoare annotation is: (and (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start_main_~w~0#1| |ULTIMATE.start_main_~x~0#1|)) [2024-11-25 02:03:46,067 INFO L77 FloydHoareUtils]: At program point L13(lines 13 15) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-25 02:03:46,067 INFO L77 FloydHoareUtils]: At program point L13-2(lines 12 17) the Hoare annotation is: true [2024-11-25 02:03:46,068 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:03:46,068 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2024-11-25 02:03:46,068 INFO L77 FloydHoareUtils]: At program point L24-2(lines 23 29) the Hoare annotation is: (and (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start_main_~w~0#1| |ULTIMATE.start_main_~x~0#1|)) [2024-11-25 02:03:46,068 INFO L75 FloydHoareUtils]: For program point L14(line 14) no Hoare annotation was computed. [2024-11-25 02:03:46,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:03:46 ImpRootNode [2024-11-25 02:03:46,081 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:03:46,082 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:03:46,082 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:03:46,082 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:03:46,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:45" (3/4) ... [2024-11-25 02:03:46,086 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:03:46,093 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 02:03:46,093 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-25 02:03:46,093 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:03:46,094 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:03:46,094 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:03:46,171 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7572d4-e010-44b1-adc8-0a7299959d4c/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:03:46,172 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7572d4-e010-44b1-adc8-0a7299959d4c/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:03:46,172 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:03:46,175 INFO L158 Benchmark]: Toolchain (without parser) took 1820.29ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 78.8MB in the end (delta: 16.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-25 02:03:46,175 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:46,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.46ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 83.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:03:46,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.26ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:46,176 INFO L158 Benchmark]: Boogie Preprocessor took 31.11ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.8MB in the end (delta: 572.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:46,176 INFO L158 Benchmark]: RCFGBuilder took 375.31ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 69.9MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:03:46,177 INFO L158 Benchmark]: CodeCheck took 1005.11ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 82.8MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:46,178 INFO L158 Benchmark]: Witness Printer took 89.98ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 78.8MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:46,181 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: 0.9s, 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 16 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 14]: 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: 23]: Loop Invariant Derived loop invariant: ((y == z) && (w == x)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.46ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 83.7MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.26ms. Allocated memory is still 117.4MB. Free memory was 83.5MB in the beginning and 82.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.11ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.8MB in the end (delta: 572.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 375.31ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 69.9MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1005.11ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 82.8MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 89.98ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 78.8MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:03:46,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e7572d4-e010-44b1-adc8-0a7299959d4c/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