./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/mono-crafted_12.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_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/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_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/mono-crafted_12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/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_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/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 8b3f0af40c26ea2441fd1db040e489b1eca9157048527a1847377fc5afef038a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:33:33,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:33:33,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:33:33,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:33:33,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:33:33,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:33:33,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:33:33,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:33:33,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:33:33,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:33:33,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:33:33,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:33:33,181 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:33:33,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:33:33,181 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:33:33,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:33:33,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:33:33,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:33:33,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:33:33,182 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:33:33,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:33:33,182 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:33:33,182 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:33:33,182 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:33:33,182 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:33:33,182 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:33:33,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:33:33,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:33:33,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:33:33,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:33:33,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:33:33,183 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:33:33,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:33:33,183 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_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/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 -> 8b3f0af40c26ea2441fd1db040e489b1eca9157048527a1847377fc5afef038a [2024-11-25 02:33:33,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:33:33,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:33:33,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:33:33,548 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:33:33,548 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:33:33,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loops-crafted-1/mono-crafted_12.c [2024-11-25 02:33:36,758 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/bin/ukojak-verify-ENZ3QT5qd3/data/4f4dca832/9af4dc8dc6584a9fb1ae6fa5a7c73c56/FLAG5197b4327 [2024-11-25 02:33:37,079 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:33:37,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/sv-benchmarks/c/loops-crafted-1/mono-crafted_12.c [2024-11-25 02:33:37,088 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/bin/ukojak-verify-ENZ3QT5qd3/data/4f4dca832/9af4dc8dc6584a9fb1ae6fa5a7c73c56/FLAG5197b4327 [2024-11-25 02:33:37,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/bin/ukojak-verify-ENZ3QT5qd3/data/4f4dca832/9af4dc8dc6584a9fb1ae6fa5a7c73c56 [2024-11-25 02:33:37,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:33:37,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:33:37,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:33:37,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:33:37,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:33:37,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:33:37" (1/1) ... [2024-11-25 02:33:37,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55c7c010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:37, skipping insertion in model container [2024-11-25 02:33:37,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:33:37" (1/1) ... [2024-11-25 02:33:37,149 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:33:37,345 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_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/sv-benchmarks/c/loops-crafted-1/mono-crafted_12.c[319,332] [2024-11-25 02:33:37,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:33:37,377 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:33:37,389 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_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/sv-benchmarks/c/loops-crafted-1/mono-crafted_12.c[319,332] [2024-11-25 02:33:37,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:33:37,413 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:33:37,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:37 WrapperNode [2024-11-25 02:33:37,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:33:37,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:33:37,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:33:37,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:33:37,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:37" (1/1) ... [2024-11-25 02:33:37,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:37" (1/1) ... [2024-11-25 02:33:37,455 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2024-11-25 02:33:37,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:33:37,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:33:37,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:33:37,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:33:37,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:37" (1/1) ... [2024-11-25 02:33:37,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:37" (1/1) ... [2024-11-25 02:33:37,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:37" (1/1) ... [2024-11-25 02:33:37,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:37" (1/1) ... [2024-11-25 02:33:37,473 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:37" (1/1) ... [2024-11-25 02:33:37,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:37" (1/1) ... [2024-11-25 02:33:37,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:37" (1/1) ... [2024-11-25 02:33:37,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:37" (1/1) ... [2024-11-25 02:33:37,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:37" (1/1) ... [2024-11-25 02:33:37,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:33:37,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:33:37,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:33:37,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:33:37,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:33:37" (1/1) ... [2024-11-25 02:33:37,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:33:37,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:33:37,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:33:37,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:33:37,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:33:37,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:33:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:33:37,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:33:37,653 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:33:37,656 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:33:37,784 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 02:33:37,784 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:33:37,847 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:33:37,847 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:33:37,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:33:37 BoogieIcfgContainer [2024-11-25 02:33:37,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:33:37,849 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:33:37,849 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:33:37,861 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:33:37,861 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:33:37" (1/1) ... [2024-11-25 02:33:37,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:33:37,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:37,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 02:33:37,942 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 02:33:37,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:33:37,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:37,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:38,327 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 02:33:38,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:38,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-25 02:33:38,464 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-25 02:33:38,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:33:38,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:38,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:33:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:39,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2024-11-25 02:33:39,048 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2024-11-25 02:33:39,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:33:39,050 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-25 02:33:39,064 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 02:33:39,132 INFO L77 FloydHoareUtils]: At program point L4-3(line 4) the Hoare annotation is: true [2024-11-25 02:33:39,133 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:33:39,133 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:33:39,133 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2024-11-25 02:33:39,133 INFO L77 FloydHoareUtils]: At program point L10-3(lines 10 14) the Hoare annotation is: (and (<= 0 (div |ULTIMATE.start_main_~z~0#1| 2)) (<= (mod |ULTIMATE.start_main_~z~0#1| 2) 0)) [2024-11-25 02:33:39,134 INFO L77 FloydHoareUtils]: At program point L4(line 4) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-25 02:33:39,134 INFO L75 FloydHoareUtils]: For program point L4-1(line 4) no Hoare annotation was computed. [2024-11-25 02:33:39,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:33:39 ImpRootNode [2024-11-25 02:33:39,150 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:33:39,152 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:33:39,152 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:33:39,152 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:33:39,153 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:33:37" (3/4) ... [2024-11-25 02:33:39,156 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:33:39,164 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-25 02:33:39,164 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 02:33:39,164 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:33:39,164 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:33:39,251 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:33:39,252 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:33:39,252 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:33:39,256 INFO L158 Benchmark]: Toolchain (without parser) took 2141.72ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 37.4MB in the end (delta: 66.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-25 02:33:39,257 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:33:39,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.75ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 93.1MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:33:39,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.90ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 92.1MB in the end (delta: 989.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:33:39,258 INFO L158 Benchmark]: Boogie Preprocessor took 31.19ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 91.5MB in the end (delta: 671.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:33:39,258 INFO L158 Benchmark]: RCFGBuilder took 359.03ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 80.3MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:33:39,258 INFO L158 Benchmark]: CodeCheck took 1301.45ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 41.6MB in the end (delta: 38.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:33:39,259 INFO L158 Benchmark]: Witness Printer took 100.61ms. Allocated memory is still 142.6MB. Free memory was 41.6MB in the beginning and 37.4MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:33:39,264 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 2 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1 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: 4]: 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]: Loop Invariant Derived loop invariant: ((0 <= (z / 2)) && ((z % 2) <= 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.75ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 93.1MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.90ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 92.1MB in the end (delta: 989.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.19ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 91.5MB in the end (delta: 671.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 359.03ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 80.3MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1301.45ms. Allocated memory is still 142.6MB. Free memory was 79.9MB in the beginning and 41.6MB in the end (delta: 38.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 100.61ms. Allocated memory is still 142.6MB. Free memory was 41.6MB in the beginning and 37.4MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:33:39,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0431f51e-ba06-45c9-aa4e-3b78749ca2fb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE