./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark26_linear_abstracted.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/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_933c60e9-f4e7-4915-8504-6297f4417ee8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark26_linear_abstracted.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 093098b4743529dc8b7049ce18a181f225b756d3e70a96af04e296b088e72e58 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:58:01,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:58:01,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 01:58:01,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:58:01,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:58:01,799 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:58:01,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:58:01,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:58:01,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:58:01,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:58:01,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:58:01,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:58:01,804 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:58:01,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:58:01,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:58:01,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:58:01,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:58:01,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:58:01,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:58:01,806 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:58:01,806 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:58:01,806 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:58:01,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:58:01,806 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:58:01,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:58:01,807 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:58:01,807 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:58:01,807 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:58:01,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:58:01,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:01,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:58:01,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:58:01,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:58:01,809 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:58:01,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:58:01,809 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_933c60e9-f4e7-4915-8504-6297f4417ee8/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 ! overflow) ) 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 -> 093098b4743529dc8b7049ce18a181f225b756d3e70a96af04e296b088e72e58 [2024-11-25 01:58:02,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:58:02,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:58:02,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:58:02,178 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:58:02,178 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:58:02,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-zilu/benchmark26_linear_abstracted.i [2024-11-25 01:58:05,625 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/bin/ukojak-verify-ENZ3QT5qd3/data/9515f10cf/80c1ee6f4b494fc0bfad6f8983d630af/FLAG10c0ce858 [2024-11-25 01:58:05,954 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:58:05,955 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/sv-benchmarks/c/loop-zilu/benchmark26_linear_abstracted.i [2024-11-25 01:58:05,976 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/bin/ukojak-verify-ENZ3QT5qd3/data/9515f10cf/80c1ee6f4b494fc0bfad6f8983d630af/FLAG10c0ce858 [2024-11-25 01:58:06,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/bin/ukojak-verify-ENZ3QT5qd3/data/9515f10cf/80c1ee6f4b494fc0bfad6f8983d630af [2024-11-25 01:58:06,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:58:06,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:58:06,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:06,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:58:06,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:58:06,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a3bd841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06, skipping insertion in model container [2024-11-25 01:58:06,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,251 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:58:06,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:06,470 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:58:06,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:06,510 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:58:06,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06 WrapperNode [2024-11-25 01:58:06,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:06,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:06,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:58:06,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:58:06,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,549 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-25 01:58:06,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:06,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:58:06,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:58:06,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:58:06,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,563 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:58:06,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:58:06,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:58:06,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:58:06,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:06,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:58:06,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:58:06,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:58:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:58:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:58:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:58:06,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:06,758 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:06,760 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:06,930 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-25 01:58:06,930 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:06,985 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:58:06,985 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 01:58:06,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:06 BoogieIcfgContainer [2024-11-25 01:58:06,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:58:06,987 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:58:06,987 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:58:06,999 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:58:06,999 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:07,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:58:07,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:07,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 01:58:07,078 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 01:58:07,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 01:58:07,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:07,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:07,333 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 01:58:07,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:07,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2024-11-25 01:58:07,436 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2024-11-25 01:58:07,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 01:58:07,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:07,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:07,589 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 01:58:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-11-25 01:58:07,800 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-11-25 01:58:07,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 01:58:07,801 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-25 01:58:07,816 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-25 01:58:07,861 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2024-11-25 01:58:07,861 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 01:58:07,862 INFO L77 FloydHoareUtils]: At program point L27-1(lines 24 31) the Hoare annotation is: true [2024-11-25 01:58:07,862 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: (<= |ULTIMATE.start_main_~y~0#1| 2147483647) [2024-11-25 01:58:07,862 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 01:58:07,863 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 20 34) the Hoare annotation is: true [2024-11-25 01:58:07,863 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2024-11-25 01:58:07,864 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483646)) [2024-11-25 01:58:07,864 INFO L77 FloydHoareUtils]: At program point L28-1(line 28) the Hoare annotation is: (<= |ULTIMATE.start_main_~x~0#1| 2147483646) [2024-11-25 01:58:07,864 INFO L77 FloydHoareUtils]: At program point L24(lines 24 31) the Hoare annotation is: (<= |ULTIMATE.start_main_~y~0#1| 2147483647) [2024-11-25 01:58:07,864 INFO L77 FloydHoareUtils]: At program point L26-2(lines 24 31) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 2147483646)) [2024-11-25 01:58:07,864 INFO L77 FloydHoareUtils]: At program point L24-1(lines 24 31) the Hoare annotation is: true [2024-11-25 01:58:07,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:58:07 ImpRootNode [2024-11-25 01:58:07,878 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:58:07,879 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:58:07,879 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:58:07,880 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:58:07,880 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:06" (3/4) ... [2024-11-25 01:58:07,883 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 01:58:07,892 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 01:58:07,893 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 01:58:07,893 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 01:58:07,893 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 01:58:07,991 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 01:58:07,991 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 01:58:07,991 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:58:07,992 INFO L158 Benchmark]: Toolchain (without parser) took 1779.04ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 45.8MB in the end (delta: 49.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 01:58:07,993 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:07,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.95ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 84.3MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:07,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.71ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:07,994 INFO L158 Benchmark]: Boogie Preprocessor took 28.74ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.5MB in the end (delta: 595.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:07,994 INFO L158 Benchmark]: RCFGBuilder took 406.10ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 70.7MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:58:07,994 INFO L158 Benchmark]: CodeCheck took 890.94ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 50.4MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:58:07,995 INFO L158 Benchmark]: Witness Printer took 112.79ms. Allocated memory is still 117.4MB. Free memory was 50.4MB in the beginning and 45.8MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:07,997 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, 12 locations, 2 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, 23 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 6 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.95ms. Allocated memory is still 117.4MB. Free memory was 94.9MB in the beginning and 84.3MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.71ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.74ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.5MB in the end (delta: 595.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 406.10ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 70.7MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 890.94ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 50.4MB in the end (delta: 20.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 112.79ms. Allocated memory is still 117.4MB. Free memory was 50.4MB in the beginning and 45.8MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 01:58:08,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_933c60e9-f4e7-4915-8504-6297f4417ee8/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