./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.i --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_0407667a-6508-47ed-9acd-b0fed4e2ef6a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0407667a-6508-47ed-9acd-b0fed4e2ef6a/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_0407667a-6508-47ed-9acd-b0fed4e2ef6a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0407667a-6508-47ed-9acd-b0fed4e2ef6a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0407667a-6508-47ed-9acd-b0fed4e2ef6a/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_0407667a-6508-47ed-9acd-b0fed4e2ef6a/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 2913f965e0d9fa4df5794a69da1eb9ae7e20a4f8b2461420582f4690c4751bfe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:41:21,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:41:21,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0407667a-6508-47ed-9acd-b0fed4e2ef6a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:41:21,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:41:21,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:41:21,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:41:21,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:41:21,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:41:21,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:41:21,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:41:21,860 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:41:21,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:41:21,860 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:41:21,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:41:21,860 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:41:21,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:41:21,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:41:21,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:41:21,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:41:21,861 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:41:21,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:41:21,861 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:41:21,861 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:41:21,861 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:41:21,861 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:41:21,861 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:41:21,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:41:21,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:41:21,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:41:21,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:41:21,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:41:21,862 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:41:21,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:41:21,863 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_0407667a-6508-47ed-9acd-b0fed4e2ef6a/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 -> 2913f965e0d9fa4df5794a69da1eb9ae7e20a4f8b2461420582f4690c4751bfe [2024-11-25 02:41:22,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:41:22,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:41:22,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:41:22,211 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:41:22,211 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:41:22,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0407667a-6508-47ed-9acd-b0fed4e2ef6a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.i [2024-11-25 02:41:25,279 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0407667a-6508-47ed-9acd-b0fed4e2ef6a/bin/ukojak-verify-ENZ3QT5qd3/data/ae0461fde/b1e9c60869b64aadb9528aaf63acc051/FLAG81b9e7538 [2024-11-25 02:41:25,586 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:41:25,587 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0407667a-6508-47ed-9acd-b0fed4e2ef6a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.i [2024-11-25 02:41:25,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0407667a-6508-47ed-9acd-b0fed4e2ef6a/bin/ukojak-verify-ENZ3QT5qd3/data/ae0461fde/b1e9c60869b64aadb9528aaf63acc051/FLAG81b9e7538 [2024-11-25 02:41:25,630 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0407667a-6508-47ed-9acd-b0fed4e2ef6a/bin/ukojak-verify-ENZ3QT5qd3/data/ae0461fde/b1e9c60869b64aadb9528aaf63acc051 [2024-11-25 02:41:25,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:41:25,637 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:41:25,638 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:41:25,639 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:41:25,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:41:25,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:41:25" (1/1) ... [2024-11-25 02:41:25,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b50b7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:25, skipping insertion in model container [2024-11-25 02:41:25,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:41:25" (1/1) ... [2024-11-25 02:41:25,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:41:25,908 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_0407667a-6508-47ed-9acd-b0fed4e2ef6a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.i[919,932] [2024-11-25 02:41:26,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:41:26,055 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:41:26,073 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_0407667a-6508-47ed-9acd-b0fed4e2ef6a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-81.i[919,932] [2024-11-25 02:41:26,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:41:26,207 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:41:26,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:26 WrapperNode [2024-11-25 02:41:26,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:41:26,209 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:41:26,209 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:41:26,209 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:41:26,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:26" (1/1) ... [2024-11-25 02:41:26,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:26" (1/1) ... [2024-11-25 02:41:26,330 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 249 [2024-11-25 02:41:26,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:41:26,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:41:26,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:41:26,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:41:26,342 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:26" (1/1) ... [2024-11-25 02:41:26,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:26" (1/1) ... [2024-11-25 02:41:26,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:26" (1/1) ... [2024-11-25 02:41:26,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:26" (1/1) ... [2024-11-25 02:41:26,375 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:26" (1/1) ... [2024-11-25 02:41:26,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:26" (1/1) ... [2024-11-25 02:41:26,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:26" (1/1) ... [2024-11-25 02:41:26,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:26" (1/1) ... [2024-11-25 02:41:26,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:26" (1/1) ... [2024-11-25 02:41:26,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:41:26,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:41:26,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:41:26,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:41:26,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:41:26" (1/1) ... [2024-11-25 02:41:26,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:41:26,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0407667a-6508-47ed-9acd-b0fed4e2ef6a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:41:26,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0407667a-6508-47ed-9acd-b0fed4e2ef6a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:41:26,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0407667a-6508-47ed-9acd-b0fed4e2ef6a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:41:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:41:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:41:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:41:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:41:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:41:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:41:26,617 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:41:26,620 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:41:27,371 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-25 02:41:27,371 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:41:27,855 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:41:27,857 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:41:27,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:41:27 BoogieIcfgContainer [2024-11-25 02:41:27,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:41:27,858 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:41:27,858 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:41:27,870 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:41:27,871 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:41:27" (1/1) ... [2024-11-25 02:41:27,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:41:27,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:27,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 58 states and 89 transitions. [2024-11-25 02:41:27,988 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 89 transitions. [2024-11-25 02:41:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-25 02:41:28,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:28,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:37,920 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 17 proven. 67 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2024-11-25 02:41:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:38,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 108 states and 174 transitions. [2024-11-25 02:41:38,621 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 174 transitions. [2024-11-25 02:41:38,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-25 02:41:38,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:38,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:44,596 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 14 proven. 94 refuted. 0 times theorem prover too weak. 822 trivial. 0 not checked. [2024-11-25 02:41:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:47,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 141 states and 226 transitions. [2024-11-25 02:41:47,546 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 226 transitions. [2024-11-25 02:41:47,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-25 02:41:47,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:47,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:41:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:54,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3833 backedges. 156 proven. 125 refuted. 0 times theorem prover too weak. 3552 trivial. 0 not checked. [2024-11-25 02:41:57,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:57,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 138 states and 222 transitions. [2024-11-25 02:41:57,142 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 222 transitions. [2024-11-25 02:41:57,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:41:57,150 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-11-25 02:41:57,163 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 02:41:58,604 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-11-25 02:41:58,604 INFO L77 FloydHoareUtils]: At program point L19-1(line 19) the Hoare annotation is: true [2024-11-25 02:41:58,604 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: true [2024-11-25 02:41:58,604 INFO L77 FloydHoareUtils]: At program point L168(line 168) the Hoare annotation is: true [2024-11-25 02:41:58,604 INFO L77 FloydHoareUtils]: At program point L135(line 135) the Hoare annotation is: true [2024-11-25 02:41:58,604 INFO L77 FloydHoareUtils]: At program point L152(line 152) the Hoare annotation is: true [2024-11-25 02:41:58,605 INFO L77 FloydHoareUtils]: At program point L152-1(line 152) the Hoare annotation is: true [2024-11-25 02:41:58,605 INFO L77 FloydHoareUtils]: At program point L153(line 153) the Hoare annotation is: true [2024-11-25 02:41:58,605 INFO L77 FloydHoareUtils]: At program point L170(line 170) the Hoare annotation is: true [2024-11-25 02:41:58,605 INFO L77 FloydHoareUtils]: At program point L137(line 137) the Hoare annotation is: true [2024-11-25 02:41:58,605 INFO L77 FloydHoareUtils]: At program point L170-1(line 170) the Hoare annotation is: true [2024-11-25 02:41:58,605 INFO L77 FloydHoareUtils]: At program point L137-1(line 137) the Hoare annotation is: true [2024-11-25 02:41:58,605 INFO L77 FloydHoareUtils]: At program point L138(line 138) the Hoare annotation is: true [2024-11-25 02:41:58,605 INFO L77 FloydHoareUtils]: At program point L155(line 155) the Hoare annotation is: true [2024-11-25 02:41:58,605 INFO L77 FloydHoareUtils]: At program point L155-1(line 155) the Hoare annotation is: true [2024-11-25 02:41:58,605 INFO L77 FloydHoareUtils]: At program point L172(line 172) the Hoare annotation is: true [2024-11-25 02:41:58,605 INFO L77 FloydHoareUtils]: At program point L172-1(line 172) the Hoare annotation is: true [2024-11-25 02:41:58,606 INFO L77 FloydHoareUtils]: At program point L156(line 156) the Hoare annotation is: true [2024-11-25 02:41:58,606 INFO L77 FloydHoareUtils]: At program point L140(line 140) the Hoare annotation is: true [2024-11-25 02:41:58,606 INFO L77 FloydHoareUtils]: At program point L140-1(line 140) the Hoare annotation is: true [2024-11-25 02:41:58,606 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-25 02:41:58,606 INFO L77 FloydHoareUtils]: At program point L174(line 174) the Hoare annotation is: true [2024-11-25 02:41:58,606 INFO L77 FloydHoareUtils]: At program point L141(line 141) the Hoare annotation is: true [2024-11-25 02:41:58,606 INFO L77 FloydHoareUtils]: At program point L174-1(line 174) the Hoare annotation is: true [2024-11-25 02:41:58,606 INFO L77 FloydHoareUtils]: At program point L158(line 158) the Hoare annotation is: true [2024-11-25 02:41:58,606 INFO L77 FloydHoareUtils]: At program point L158-1(line 158) the Hoare annotation is: true [2024-11-25 02:41:58,606 INFO L77 FloydHoareUtils]: At program point L159(line 159) the Hoare annotation is: true [2024-11-25 02:41:58,606 INFO L77 FloydHoareUtils]: At program point L176(line 176) the Hoare annotation is: true [2024-11-25 02:41:58,607 INFO L77 FloydHoareUtils]: At program point L143(line 143) the Hoare annotation is: true [2024-11-25 02:41:58,607 INFO L77 FloydHoareUtils]: At program point L176-1(line 176) the Hoare annotation is: true [2024-11-25 02:41:58,607 INFO L77 FloydHoareUtils]: At program point L143-1(line 143) the Hoare annotation is: true [2024-11-25 02:41:58,607 INFO L77 FloydHoareUtils]: At program point L193-2(lines 193 199) the Hoare annotation is: true [2024-11-25 02:41:58,607 INFO L77 FloydHoareUtils]: At program point L144(line 144) the Hoare annotation is: true [2024-11-25 02:41:58,607 INFO L77 FloydHoareUtils]: At program point L161(line 161) the Hoare annotation is: true [2024-11-25 02:41:58,607 INFO L77 FloydHoareUtils]: At program point L161-1(line 161) the Hoare annotation is: true [2024-11-25 02:41:58,607 INFO L77 FloydHoareUtils]: At program point L178(line 178) the Hoare annotation is: true [2024-11-25 02:41:58,607 INFO L77 FloydHoareUtils]: At program point L178-1(lines 129 179) the Hoare annotation is: true [2024-11-25 02:41:58,607 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:41:58,607 INFO L77 FloydHoareUtils]: At program point L162(line 162) the Hoare annotation is: true [2024-11-25 02:41:58,607 INFO L77 FloydHoareUtils]: At program point L146(line 146) the Hoare annotation is: true [2024-11-25 02:41:58,608 INFO L77 FloydHoareUtils]: At program point L146-1(line 146) the Hoare annotation is: true [2024-11-25 02:41:58,608 INFO L77 FloydHoareUtils]: At program point L147(line 147) the Hoare annotation is: true [2024-11-25 02:41:58,608 INFO L77 FloydHoareUtils]: At program point L164(line 164) the Hoare annotation is: true [2024-11-25 02:41:58,608 INFO L77 FloydHoareUtils]: At program point L131(line 131) the Hoare annotation is: true [2024-11-25 02:41:58,608 INFO L77 FloydHoareUtils]: At program point L164-1(line 164) the Hoare annotation is: true [2024-11-25 02:41:58,608 INFO L77 FloydHoareUtils]: At program point L131-1(line 131) the Hoare annotation is: (<= 127 (mod ~var_1_5~0 256)) [2024-11-25 02:41:58,608 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: true [2024-11-25 02:41:58,608 INFO L77 FloydHoareUtils]: At program point L165(line 165) the Hoare annotation is: true [2024-11-25 02:41:58,608 INFO L77 FloydHoareUtils]: At program point L132(line 132) the Hoare annotation is: true [2024-11-25 02:41:58,609 INFO L77 FloydHoareUtils]: At program point L149(line 149) the Hoare annotation is: true [2024-11-25 02:41:58,609 INFO L77 FloydHoareUtils]: At program point L149-1(line 149) the Hoare annotation is: true [2024-11-25 02:41:58,609 INFO L77 FloydHoareUtils]: At program point L150(line 150) the Hoare annotation is: true [2024-11-25 02:41:58,609 INFO L77 FloydHoareUtils]: At program point L167(line 167) the Hoare annotation is: true [2024-11-25 02:41:58,609 INFO L77 FloydHoareUtils]: At program point L134(line 134) the Hoare annotation is: true [2024-11-25 02:41:58,609 INFO L77 FloydHoareUtils]: At program point L167-1(line 167) the Hoare annotation is: true [2024-11-25 02:41:58,609 INFO L77 FloydHoareUtils]: At program point L134-1(line 134) the Hoare annotation is: true [2024-11-25 02:41:58,609 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2024-11-25 02:41:58,610 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(line 20) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-11-25 02:41:58,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:41:58 ImpRootNode [2024-11-25 02:41:58,637 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:41:58,638 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:41:58,638 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:41:58,639 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:41:58,639 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:41:27" (3/4) ... [2024-11-25 02:41:58,643 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:41:58,647 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-25 02:41:58,658 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2024-11-25 02:41:58,660 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-25 02:41:58,660 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 02:41:58,661 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:41:58,796 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0407667a-6508-47ed-9acd-b0fed4e2ef6a/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:41:58,797 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0407667a-6508-47ed-9acd-b0fed4e2ef6a/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:41:58,797 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:41:58,798 INFO L158 Benchmark]: Toolchain (without parser) took 33161.72ms. Allocated memory was 117.4MB in the beginning and 696.3MB in the end (delta: 578.8MB). Free memory was 92.9MB in the beginning and 640.4MB in the end (delta: -547.5MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-11-25 02:41:58,798 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:58,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.15ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 76.6MB in the end (delta: 16.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:41:58,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.28ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 70.8MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:41:58,800 INFO L158 Benchmark]: Boogie Preprocessor took 71.50ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 68.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:58,800 INFO L158 Benchmark]: RCFGBuilder took 1453.02ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 36.0MB in the end (delta: 32.5MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-11-25 02:41:58,801 INFO L158 Benchmark]: CodeCheck took 30779.21ms. Allocated memory was 117.4MB in the beginning and 696.3MB in the end (delta: 578.8MB). Free memory was 36.0MB in the beginning and 648.8MB in the end (delta: -612.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:58,801 INFO L158 Benchmark]: Witness Printer took 158.77ms. Allocated memory is still 696.3MB. Free memory was 648.8MB in the beginning and 640.4MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:41:58,803 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 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 643 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 204 mSDsluCounter, 1149 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 312 mSDsCounter, 390 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1171 IncrementalHoareTripleChecker+Invalid, 1561 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 390 mSolverCounterUnsat, 837 mSDtfsCounter, 1171 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3299 GetRequests, 3245 SyntacticMatches, 4 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 786 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 21.1s InterpolantComputationTime, 459 NumberOfCodeBlocks, 459 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 456 ConstructedInterpolants, 0 QuantifiedInterpolants, 5099 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 5407/5693 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: 19]: 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 - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && ((((((((((((((((((((((((((((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_14 == \old(var_1_14))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18))) && (var_1_19 == \old(var_1_19))) && (var_1_20 == \old(var_1_20))) && (var_1_21 == \old(var_1_21))) && (var_1_22 == \old(var_1_22))) && (var_1_23 == \old(var_1_23))) && (var_1_24 == \old(var_1_24))) && (var_1_25 == \old(var_1_25))) && (var_1_27 == \old(var_1_27))) && (var_1_32 == \old(var_1_32))) && (var_1_35 == \old(var_1_35))) && (var_1_38 == \old(var_1_38))) && (var_1_39 == \old(var_1_39))) && (var_1_40 == \old(var_1_40))) && (var_1_41 == \old(var_1_41))) && (var_1_42 == \old(var_1_42))) && (var_1_43 == \old(var_1_43))) && (var_1_44 == \old(var_1_44))) && (var_1_45 == \old(var_1_45))) && (last_1_var_1_1 == \old(last_1_var_1_1))) && (last_1_var_1_7 == \old(last_1_var_1_7))) && (last_1_var_1_11 == \old(last_1_var_1_11))) && (last_1_var_1_17 == \old(last_1_var_1_17)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.15ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 76.6MB in the end (delta: 16.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.28ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 70.8MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.50ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 68.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1453.02ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 36.0MB in the end (delta: 32.5MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * CodeCheck took 30779.21ms. Allocated memory was 117.4MB in the beginning and 696.3MB in the end (delta: 578.8MB). Free memory was 36.0MB in the beginning and 648.8MB in the end (delta: -612.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 158.77ms. Allocated memory is still 696.3MB. Free memory was 648.8MB in the beginning and 640.4MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:41:58,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0407667a-6508-47ed-9acd-b0fed4e2ef6a/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