./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_3-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b --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-d790fec [2024-12-06 01:10:50,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:10:50,596 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:10:50,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:10:50,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:10:50,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:10:50,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:10:50,619 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:10:50,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:10:50,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:10:50,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:10:50,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:10:50,620 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:10:50,621 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:10:50,621 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:10:50,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:10:50,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:10:50,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:10:50,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:10:50,621 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:10:50,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:10:50,621 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:10:50,621 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:10:50,622 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:10:50,622 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:10:50,622 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:10:50,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:10:50,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:10:50,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:10:50,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:10:50,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:10:50,623 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:10:50,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:10:50,623 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_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b 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 [2024-12-06 01:10:50,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:10:50,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:10:50,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:10:50,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:10:50,850 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:10:50,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-acceleration/simple_3-2.c [2024-12-06 01:10:53,534 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b/data/b0d41670d/a86cebf0306344f09891c8b389348546/FLAGc4d59be29 [2024-12-06 01:10:53,723 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:10:53,723 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/sv-benchmarks/c/loop-acceleration/simple_3-2.c [2024-12-06 01:10:53,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b/data/b0d41670d/a86cebf0306344f09891c8b389348546/FLAGc4d59be29 [2024-12-06 01:10:53,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b/data/b0d41670d/a86cebf0306344f09891c8b389348546 [2024-12-06 01:10:53,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:10:53,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:10:53,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:10:53,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:10:53,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:10:53,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:10:53" (1/1) ... [2024-12-06 01:10:53,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b34e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:53, skipping insertion in model container [2024-12-06 01:10:53,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:10:53" (1/1) ... [2024-12-06 01:10:53,766 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:10:53,899 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_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/sv-benchmarks/c/loop-acceleration/simple_3-2.c[376,389] [2024-12-06 01:10:53,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:10:53,921 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:10:53,931 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_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/sv-benchmarks/c/loop-acceleration/simple_3-2.c[376,389] [2024-12-06 01:10:53,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:10:53,948 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:10:53,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:53 WrapperNode [2024-12-06 01:10:53,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:10:53,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:10:53,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:10:53,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:10:53,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:53" (1/1) ... [2024-12-06 01:10:53,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:53" (1/1) ... [2024-12-06 01:10:53,977 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24 [2024-12-06 01:10:53,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:10:53,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:10:53,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:10:53,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:10:53,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:53" (1/1) ... [2024-12-06 01:10:53,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:53" (1/1) ... [2024-12-06 01:10:53,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:53" (1/1) ... [2024-12-06 01:10:53,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:53" (1/1) ... [2024-12-06 01:10:53,988 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:53" (1/1) ... [2024-12-06 01:10:53,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:53" (1/1) ... [2024-12-06 01:10:53,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:53" (1/1) ... [2024-12-06 01:10:53,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:53" (1/1) ... [2024-12-06 01:10:53,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:53" (1/1) ... [2024-12-06 01:10:53,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:10:53,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:10:53,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:10:53,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:10:53,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:53" (1/1) ... [2024-12-06 01:10:54,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:10:54,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:10:54,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:10:54,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:10:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:10:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:10:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:10:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:10:54,115 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:10:54,118 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:10:54,194 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 01:10:54,194 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:10:54,217 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:10:54,218 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:10:54,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:10:54 BoogieIcfgContainer [2024-12-06 01:10:54,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:10:54,218 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:10:54,219 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:10:54,225 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:10:54,225 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:10:54" (1/1) ... [2024-12-06 01:10:54,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:10:54,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:54,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:10:54,279 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:10:54,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:10:54,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:54,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:10:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:54,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:10:54,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:54,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2024-12-06 01:10:54,552 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2024-12-06 01:10:54,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:10:54,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:54,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:10:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:54,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:10:54,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:54,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2024-12-06 01:10:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2024-12-06 01:10:54,788 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:10:54,788 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-12-06 01:10:54,796 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 01:10:54,825 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 01:10:54,825 INFO L77 FloydHoareUtils]: At program point L17-3(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)))) [2024-12-06 01:10:54,826 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:10:54,826 INFO L77 FloydHoareUtils]: At program point L7(lines 7 9) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2024-12-06 01:10:54,826 INFO L77 FloydHoareUtils]: At program point L7-2(lines 6 11) the Hoare annotation is: true [2024-12-06 01:10:54,826 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2024-12-06 01:10:54,826 INFO L75 FloydHoareUtils]: For program point L8(line 8) no Hoare annotation was computed. [2024-12-06 01:10:54,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:10:54 ImpRootNode [2024-12-06 01:10:54,835 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:10:54,835 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:10:54,836 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:10:54,836 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:10:54,836 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:10:54" (3/4) ... [2024-12-06 01:10:54,838 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:10:54,844 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-06 01:10:54,844 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 01:10:54,844 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 01:10:54,844 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:10:54,914 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:10:54,914 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:10:54,914 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:10:54,915 INFO L158 Benchmark]: Toolchain (without parser) took 1168.28ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 58.7MB in the end (delta: 59.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 01:10:54,915 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:10:54,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.23ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 107.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:10:54,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.88ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 106.0MB in the end (delta: 830.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:10:54,916 INFO L158 Benchmark]: Boogie Preprocessor took 16.29ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.2MB in the end (delta: 850.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:10:54,916 INFO L158 Benchmark]: RCFGBuilder took 223.15ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 94.9MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:10:54,917 INFO L158 Benchmark]: CodeCheck took 616.45ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 62.9MB in the end (delta: 32.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:10:54,917 INFO L158 Benchmark]: Witness Printer took 78.53ms. Allocated memory is still 142.6MB. Free memory was 62.9MB in the beginning and 58.7MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:10:54,919 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: 0.5s, 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s 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: 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.23ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 107.1MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.88ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 106.0MB in the end (delta: 830.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.29ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.2MB in the end (delta: 850.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 223.15ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 94.9MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 616.45ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 62.9MB in the end (delta: 32.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 78.53ms. Allocated memory is still 142.6MB. Free memory was 62.9MB in the beginning and 58.7MB 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! [2024-12-06 01:10:54,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4e69b7-f0cc-4e53-b57f-ab9cb62f7c72/bin/ukojak-verify-CZk0znPC7b/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