./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_3-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_3-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b9c8396c2cadaebd0d1bf5efb2e2e779b8a2240a5737f65c06e64ea585aef3c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:24:31,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:24:31,988 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:24:31,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:24:31,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:24:32,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:24:32,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:24:32,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:24:32,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:24:32,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:24:32,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:24:32,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:24:32,040 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:24:32,040 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:24:32,040 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:24:32,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:24:32,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:24:32,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:24:32,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:24:32,041 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:24:32,041 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:24:32,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:24:32,041 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:24:32,041 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:24:32,041 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:24:32,041 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:24:32,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:24:32,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:24:32,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:24:32,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:24:32,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:24:32,044 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:24:32,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:24:32,044 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_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b9c8396c2cadaebd0d1bf5efb2e2e779b8a2240a5737f65c06e64ea585aef3c [2024-11-13 21:24:32,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:24:32,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:24:32,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:24:32,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:24:32,364 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:24:32,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-acceleration/simple_3-2.c Unable to find full path for "g++" [2024-11-13 21:24:34,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:24:34,706 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:24:34,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/sv-benchmarks/c/loop-acceleration/simple_3-2.c [2024-11-13 21:24:34,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm/data/447398b39/f5409b39d2744bd8bd2ff871be63aeec/FLAG723f110d3 [2024-11-13 21:24:34,740 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm/data/447398b39/f5409b39d2744bd8bd2ff871be63aeec [2024-11-13 21:24:34,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:24:34,745 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:24:34,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:24:34,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:24:34,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:24:34,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:24:34" (1/1) ... [2024-11-13 21:24:34,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c60acd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:34, skipping insertion in model container [2024-11-13 21:24:34,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:24:34" (1/1) ... [2024-11-13 21:24:34,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:24:34,950 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_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/sv-benchmarks/c/loop-acceleration/simple_3-2.c[376,389] [2024-11-13 21:24:34,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:24:34,976 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:24:34,984 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_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/sv-benchmarks/c/loop-acceleration/simple_3-2.c[376,389] [2024-11-13 21:24:34,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:24:35,000 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:24:35,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:35 WrapperNode [2024-11-13 21:24:35,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:24:35,002 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:24:35,002 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:24:35,002 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:24:35,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:35" (1/1) ... [2024-11-13 21:24:35,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:35" (1/1) ... [2024-11-13 21:24:35,029 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-11-13 21:24:35,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:24:35,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:24:35,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:24:35,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:24:35,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:35" (1/1) ... [2024-11-13 21:24:35,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:35" (1/1) ... [2024-11-13 21:24:35,041 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:35" (1/1) ... [2024-11-13 21:24:35,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:35" (1/1) ... [2024-11-13 21:24:35,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:35" (1/1) ... [2024-11-13 21:24:35,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:35" (1/1) ... [2024-11-13 21:24:35,051 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:35" (1/1) ... [2024-11-13 21:24:35,052 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:35" (1/1) ... [2024-11-13 21:24:35,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:24:35,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:24:35,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:24:35,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:24:35,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:35" (1/1) ... [2024-11-13 21:24:35,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:24:35,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:24:35,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:24:35,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:24:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:24:35,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:24:35,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:24:35,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:24:35,179 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:24:35,181 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:24:35,273 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 21:24:35,273 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:24:35,304 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:24:35,305 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:24:35,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:35 BoogieIcfgContainer [2024-11-13 21:24:35,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:24:35,306 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:24:35,306 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:24:35,317 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:24:35,317 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:35" (1/1) ... [2024-11-13 21:24:35,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:24:35,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:35,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:24:35,390 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:24:35,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:24:35,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:35,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:35,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:24:35,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:35,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2024-11-13 21:24:35,801 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-11-13 21:24:35,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:24:35,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:35,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:36,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:24:36,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:36,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2024-11-13 21:24:36,180 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2024-11-13 21:24:36,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:24:36,181 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-13 21:24:36,193 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 21:24:36,258 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:24:36,258 INFO L77 FloydHoareUtils]: At program point L17-2(lines 17 19) the Hoare annotation is: (not (and (not (and (<= (mod |ULTIMATE.start_main_~x~0#1| 2) 0) (<= 1 (div |ULTIMATE.start_main_~x~0#1| 2)))) (not (= |ULTIMATE.start_main_~x~0#1| 0)))) [2024-11-13 21:24:36,259 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:24:36,259 INFO L77 FloydHoareUtils]: At program point L7(lines 7 9) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-11-13 21:24:36,259 INFO L77 FloydHoareUtils]: At program point L7-2(lines 6 11) the Hoare annotation is: true [2024-11-13 21:24:36,259 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2024-11-13 21:24:36,259 INFO L75 FloydHoareUtils]: For program point L8(line 8) no Hoare annotation was computed. [2024-11-13 21:24:36,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:24:36 ImpRootNode [2024-11-13 21:24:36,273 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:24:36,274 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:24:36,274 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:24:36,274 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:24:36,275 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:35" (3/4) ... [2024-11-13 21:24:36,277 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:24:36,283 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 21:24:36,284 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 21:24:36,284 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 21:24:36,284 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:24:36,355 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:24:36,356 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:24:36,356 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:24:36,357 INFO L158 Benchmark]: Toolchain (without parser) took 1612.12ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 88.3MB in the end (delta: 4.0MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2024-11-13 21:24:36,357 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:36,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.20ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 81.4MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:24:36,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.04ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.5MB in the end (delta: 888.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:36,359 INFO L158 Benchmark]: Boogie Preprocessor took 23.10ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.6MB in the end (delta: 920.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:36,360 INFO L158 Benchmark]: RCFGBuilder took 251.19ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 70.1MB in the end (delta: 9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:24:36,360 INFO L158 Benchmark]: CodeCheck took 967.45ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 38.0MB in the end (delta: 32.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:24:36,360 INFO L158 Benchmark]: Witness Printer took 81.57ms. Allocated memory is still 117.4MB. Free memory was 38.0MB in the beginning and 88.3MB in the end (delta: -50.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-13 21:24:36,369 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: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 2 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s 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 - PositiveResult [Line: 8]: 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: 17]: Loop Invariant Derived loop invariant: !(!(((x % 2) <= 0) && (1 <= (x / 2))) && (x != 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.20ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 81.4MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.04ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.5MB in the end (delta: 888.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.10ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.6MB in the end (delta: 920.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 251.19ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 70.1MB in the end (delta: 9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 967.45ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 38.0MB in the end (delta: 32.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 81.57ms. Allocated memory is still 117.4MB. Free memory was 38.0MB in the beginning and 88.3MB in the end (delta: -50.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:24:36,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cd1868b-7e05-4cf4-affd-e18b6eb3893f/bin/ukojak-verify-EEHR8qb7sm/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