./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_3.c.p+cfa-reducer.c --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_f73a759d-6448-47b4-aea2-1e4088ebbda2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f73a759d-6448-47b4-aea2-1e4088ebbda2/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_f73a759d-6448-47b4-aea2-1e4088ebbda2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f73a759d-6448-47b4-aea2-1e4088ebbda2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_3.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f73a759d-6448-47b4-aea2-1e4088ebbda2/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_f73a759d-6448-47b4-aea2-1e4088ebbda2/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 f57f8b833105028fdf95b78a3cf338388755f00064f1be1e7a158d1da7dbd5a2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:58:26,955 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:58:27,086 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f73a759d-6448-47b4-aea2-1e4088ebbda2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 01:58:27,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:58:27,103 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:58:27,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:58:27,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:58:27,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:58:27,152 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:58:27,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:58:27,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:58:27,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:58:27,154 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:58:27,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:58:27,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:58:27,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:58:27,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:58:27,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:58:27,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:58:27,156 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:58:27,156 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:58:27,157 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:58:27,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:58:27,157 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:58:27,157 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:58:27,157 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:58:27,157 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:58:27,158 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:58:27,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:58:27,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:27,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:58:27,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:58:27,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:58:27,159 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:58:27,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:58:27,160 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_f73a759d-6448-47b4-aea2-1e4088ebbda2/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 -> f57f8b833105028fdf95b78a3cf338388755f00064f1be1e7a158d1da7dbd5a2 [2024-11-25 01:58:27,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:58:27,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:58:27,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:58:27,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:58:27,581 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:58:27,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f73a759d-6448-47b4-aea2-1e4088ebbda2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/zonotope_3.c.p+cfa-reducer.c [2024-11-25 01:58:31,030 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f73a759d-6448-47b4-aea2-1e4088ebbda2/bin/ukojak-verify-ENZ3QT5qd3/data/b3604abe6/23ddffc1a0aa442fbb1304d923ba79b2/FLAG0252e3b4b [2024-11-25 01:58:31,335 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:58:31,335 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f73a759d-6448-47b4-aea2-1e4088ebbda2/sv-benchmarks/c/float-benchs/zonotope_3.c.p+cfa-reducer.c [2024-11-25 01:58:31,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f73a759d-6448-47b4-aea2-1e4088ebbda2/bin/ukojak-verify-ENZ3QT5qd3/data/b3604abe6/23ddffc1a0aa442fbb1304d923ba79b2/FLAG0252e3b4b [2024-11-25 01:58:31,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f73a759d-6448-47b4-aea2-1e4088ebbda2/bin/ukojak-verify-ENZ3QT5qd3/data/b3604abe6/23ddffc1a0aa442fbb1304d923ba79b2 [2024-11-25 01:58:31,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:58:31,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:58:31,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:31,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:58:31,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:58:31,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:31" (1/1) ... [2024-11-25 01:58:31,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eadc8d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:31, skipping insertion in model container [2024-11-25 01:58:31,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:31" (1/1) ... [2024-11-25 01:58:31,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:58:31,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:31,628 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:58:31,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:31,697 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:58:31,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:31 WrapperNode [2024-11-25 01:58:31,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:31,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:31,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:58:31,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:58:31,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:31" (1/1) ... [2024-11-25 01:58:31,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:31" (1/1) ... [2024-11-25 01:58:31,750 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 129 [2024-11-25 01:58:31,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:31,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:58:31,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:58:31,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:58:31,760 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:31" (1/1) ... [2024-11-25 01:58:31,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:31" (1/1) ... [2024-11-25 01:58:31,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:31" (1/1) ... [2024-11-25 01:58:31,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:31" (1/1) ... [2024-11-25 01:58:31,774 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:31" (1/1) ... [2024-11-25 01:58:31,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:31" (1/1) ... [2024-11-25 01:58:31,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:31" (1/1) ... [2024-11-25 01:58:31,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:31" (1/1) ... [2024-11-25 01:58:31,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:31" (1/1) ... [2024-11-25 01:58:31,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:58:31,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:58:31,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:58:31,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:58:31,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:31" (1/1) ... [2024-11-25 01:58:31,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:31,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f73a759d-6448-47b4-aea2-1e4088ebbda2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:58:31,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f73a759d-6448-47b4-aea2-1e4088ebbda2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:58:31,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f73a759d-6448-47b4-aea2-1e4088ebbda2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:58:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:58:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:58:31,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:58:31,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:31,979 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:31,981 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:32,217 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-25 01:58:32,217 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:32,256 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:58:32,256 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 01:58:32,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:32 BoogieIcfgContainer [2024-11-25 01:58:32,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:58:32,258 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:58:32,258 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:58:32,269 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:58:32,269 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:32" (1/1) ... [2024-11-25 01:58:32,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:58:32,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:32,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-25 01:58:32,345 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-25 01:58:32,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 01:58:32,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:32,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:32,595 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 01:58:32,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:32,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 01:58:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 01:58:32,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 01:58:32,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:32,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:32,770 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 01:58:32,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:32,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-25 01:58:32,893 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-25 01:58:32,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 01:58:32,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:32,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:32,978 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 01:58:32,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:32,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 01:58:32,996 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 01:58:32,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 01:58:32,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:32,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:33,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:33,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2024-11-25 01:58:33,461 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2024-11-25 01:58:33,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 01:58:33,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:33,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:33,557 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 01:58:33,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:33,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 01:58:33,830 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 01:58:33,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 01:58:33,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:33,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:33,968 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 01:58:34,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:34,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2024-11-25 01:58:34,359 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2024-11-25 01:58:34,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 01:58:34,359 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-25 01:58:34,370 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-25 01:58:34,741 INFO L77 FloydHoareUtils]: At program point L155(lines 131 163) the Hoare annotation is: true [2024-11-25 01:58:34,741 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 22 169) the Hoare annotation is: true [2024-11-25 01:58:34,741 INFO L77 FloydHoareUtils]: At program point L131(lines 131 163) the Hoare annotation is: true [2024-11-25 01:58:34,741 INFO L77 FloydHoareUtils]: At program point L65(lines 65 125) the Hoare annotation is: (or (and (<= 0 (+ |ULTIMATE.start_main_~main__i~0#1| 2147483648)) (< |ULTIMATE.start_main_~main__i~0#1| 2)) (and (<= 2 |ULTIMATE.start_main_~main__i~0#1|) (<= |ULTIMATE.start_main_~main__i~0#1| 100000))) [2024-11-25 01:58:34,742 INFO L77 FloydHoareUtils]: At program point $Ultimate##8(lines 71 113) the Hoare annotation is: (or (and (<= 0 (+ |ULTIMATE.start_main_~main__i~0#1| 2147483648)) (< |ULTIMATE.start_main_~main__i~0#1| 2)) (= |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1| 0) (and (<= 2 |ULTIMATE.start_main_~main__i~0#1|) (<= |ULTIMATE.start_main_~main__i~0#1| 100000))) [2024-11-25 01:58:34,742 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 103) no Hoare annotation was computed. [2024-11-25 01:58:34,742 INFO L77 FloydHoareUtils]: At program point L136(lines 133 158) the Hoare annotation is: true [2024-11-25 01:58:34,742 INFO L77 FloydHoareUtils]: At program point L103(line 103) the Hoare annotation is: (or (and (<= 0 (+ |ULTIMATE.start_main_~main__i~0#1| 2147483648)) (< |ULTIMATE.start_main_~main__i~0#1| 2)) (and (<= 2 |ULTIMATE.start_main_~main__i~0#1|) (<= |ULTIMATE.start_main_~main__i~0#1| 100000))) [2024-11-25 01:58:34,742 INFO L77 FloydHoareUtils]: At program point L103-1(line 103) the Hoare annotation is: (and (<= 0 (+ 2147483649 |ULTIMATE.start_main_~main__i~0#1|)) (<= |ULTIMATE.start_main_~main__i~0#1| 100000)) [2024-11-25 01:58:34,742 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 103) no Hoare annotation was computed. [2024-11-25 01:58:34,747 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 01:58:34,747 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 01:58:34,747 INFO L77 FloydHoareUtils]: At program point L133(lines 133 158) the Hoare annotation is: true [2024-11-25 01:58:34,747 INFO L77 FloydHoareUtils]: At program point $Ultimate##2(lines 61 164) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~main__i~0#1| 2147483648)) [2024-11-25 01:58:34,747 INFO L77 FloydHoareUtils]: At program point L67(lines 67 120) the Hoare annotation is: (or (and (<= 0 (+ |ULTIMATE.start_main_~main__i~0#1| 2147483648)) (< |ULTIMATE.start_main_~main__i~0#1| 2)) (and (<= 2 |ULTIMATE.start_main_~main__i~0#1|) (<= |ULTIMATE.start_main_~main__i~0#1| 100000))) [2024-11-25 01:58:34,747 INFO L77 FloydHoareUtils]: At program point L117(lines 65 125) the Hoare annotation is: true [2024-11-25 01:58:34,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:58:34 ImpRootNode [2024-11-25 01:58:34,767 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:58:34,768 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:58:34,768 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:58:34,768 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:58:34,769 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:32" (3/4) ... [2024-11-25 01:58:34,772 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 01:58:34,783 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-25 01:58:34,784 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-25 01:58:34,785 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 01:58:34,785 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 01:58:34,894 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f73a759d-6448-47b4-aea2-1e4088ebbda2/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 01:58:34,894 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f73a759d-6448-47b4-aea2-1e4088ebbda2/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 01:58:34,894 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:58:34,895 INFO L158 Benchmark]: Toolchain (without parser) took 3530.11ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.7MB in the end (delta: 11.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-25 01:58:34,895 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:34,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.55ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 80.9MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:34,896 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.34ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:34,897 INFO L158 Benchmark]: Boogie Preprocessor took 37.60ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.6MB in the end (delta: 862.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:34,897 INFO L158 Benchmark]: RCFGBuilder took 467.54ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 65.8MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:34,897 INFO L158 Benchmark]: CodeCheck took 2509.24ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 86.6MB in the end (delta: -20.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:34,898 INFO L158 Benchmark]: Witness Printer took 126.21ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 81.7MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:34,899 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 159 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 168 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 228 IncrementalHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 96 mSDtfsCounter, 228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 484 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 22/27 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: 103]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 103]: 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 - InvariantResult [Line: 61]: Location Invariant Derived location invariant: (0 <= (main__i + 2147483648)) - InvariantResult [Line: 71]: Location Invariant Derived location invariant: ((((0 <= (main__i + 2147483648)) && (main__i < 2)) || (main____CPAchecker_TMP_0 == 0)) || ((2 <= main__i) && (main__i <= 100000))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.55ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 80.9MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.34ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.60ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.6MB in the end (delta: 862.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 467.54ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 65.8MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2509.24ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 86.6MB in the end (delta: -20.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 126.21ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 81.7MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 01:58:34,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f73a759d-6448-47b4-aea2-1e4088ebbda2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE