./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/filter1.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_6d1de120-d845-4f1c-80f7-01e2b635856e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1de120-d845-4f1c-80f7-01e2b635856e/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_6d1de120-d845-4f1c-80f7-01e2b635856e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1de120-d845-4f1c-80f7-01e2b635856e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1de120-d845-4f1c-80f7-01e2b635856e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1de120-d845-4f1c-80f7-01e2b635856e/bin/ukojak-verify-CZk0znPC7b --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 6403ea17225d9927b82c2cb5a5e13cab8e302736934880873dcec33bef71c423 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:17:25,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:17:25,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1de120-d845-4f1c-80f7-01e2b635856e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 03:17:25,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:17:25,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:17:25,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:17:25,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:17:25,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:17:25,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:17:25,192 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:17:25,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:17:25,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:17:25,192 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:17:25,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:17:25,192 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:17:25,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:17:25,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:17:25,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:17:25,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:17:25,193 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:17:25,193 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:17:25,193 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:17:25,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:17:25,193 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:17:25,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:17:25,193 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:17:25,193 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:17:25,193 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:17:25,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:17:25,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:17:25,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:17:25,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:17:25,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:17:25,194 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:17:25,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:17:25,194 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_6d1de120-d845-4f1c-80f7-01e2b635856e/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 ! 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 -> 6403ea17225d9927b82c2cb5a5e13cab8e302736934880873dcec33bef71c423 [2024-12-06 03:17:25,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:17:25,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:17:25,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:17:25,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:17:25,441 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:17:25,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1de120-d845-4f1c-80f7-01e2b635856e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c [2024-12-06 03:17:28,063 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1de120-d845-4f1c-80f7-01e2b635856e/bin/ukojak-verify-CZk0znPC7b/data/5100c3d6e/f953bcb258674431bd844fd67c5e6aef/FLAGd950cc791 [2024-12-06 03:17:28,222 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:17:28,222 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1de120-d845-4f1c-80f7-01e2b635856e/sv-benchmarks/c/float-benchs/filter1.c.p+cfa-reducer.c [2024-12-06 03:17:28,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1de120-d845-4f1c-80f7-01e2b635856e/bin/ukojak-verify-CZk0znPC7b/data/5100c3d6e/f953bcb258674431bd844fd67c5e6aef/FLAGd950cc791 [2024-12-06 03:17:28,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1de120-d845-4f1c-80f7-01e2b635856e/bin/ukojak-verify-CZk0znPC7b/data/5100c3d6e/f953bcb258674431bd844fd67c5e6aef [2024-12-06 03:17:28,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:17:28,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:17:28,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:17:28,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:17:28,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:17:28,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:17:28" (1/1) ... [2024-12-06 03:17:28,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c2c5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:28, skipping insertion in model container [2024-12-06 03:17:28,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:17:28" (1/1) ... [2024-12-06 03:17:28,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:17:28,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:17:28,747 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:17:28,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:17:28,772 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:17:28,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:28 WrapperNode [2024-12-06 03:17:28,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:17:28,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:17:28,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:17:28,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:17:28,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:28" (1/1) ... [2024-12-06 03:17:28,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:28" (1/1) ... [2024-12-06 03:17:28,794 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-12-06 03:17:28,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:17:28,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:17:28,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:17:28,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:17:28,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:28" (1/1) ... [2024-12-06 03:17:28,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:28" (1/1) ... [2024-12-06 03:17:28,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:28" (1/1) ... [2024-12-06 03:17:28,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:28" (1/1) ... [2024-12-06 03:17:28,803 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:28" (1/1) ... [2024-12-06 03:17:28,804 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:28" (1/1) ... [2024-12-06 03:17:28,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:28" (1/1) ... [2024-12-06 03:17:28,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:28" (1/1) ... [2024-12-06 03:17:28,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:28" (1/1) ... [2024-12-06 03:17:28,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:17:28,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:17:28,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:17:28,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:17:28,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:17:28" (1/1) ... [2024-12-06 03:17:28,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:17:28,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1de120-d845-4f1c-80f7-01e2b635856e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:17:28,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1de120-d845-4f1c-80f7-01e2b635856e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:17:28,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1de120-d845-4f1c-80f7-01e2b635856e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:17:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:17:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:17:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:17:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:17:28,903 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:17:28,904 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:17:29,000 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-06 03:17:29,000 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:17:29,028 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:17:29,028 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:17:29,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:17:29 BoogieIcfgContainer [2024-12-06 03:17:29,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:17:29,029 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:17:29,029 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:17:29,039 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:17:29,039 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:17:29" (1/1) ... [2024-12-06 03:17:29,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:17:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:29,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2024-12-06 03:17:29,091 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-12-06 03:17:29,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:17:29,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:29,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:17:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:29,227 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 03:17:29,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:29,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-06 03:17:29,263 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-06 03:17:29,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:17:29,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:29,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:17:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:29,328 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 03:17:29,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:29,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-12-06 03:17:29,433 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-12-06 03:17:29,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:17:29,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:29,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:17:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:29,502 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 03:17:29,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:29,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-12-06 03:17:29,654 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-12-06 03:17:29,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 03:17:29,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:29,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:17:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:29,699 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 03:17:29,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:29,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2024-12-06 03:17:29,713 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-12-06 03:17:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 03:17:29,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:29,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:17:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:29,788 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:17:30,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:30,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2024-12-06 03:17:30,149 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2024-12-06 03:17:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 03:17:30,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:30,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:17:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:30,207 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 03:17:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2024-12-06 03:17:30,599 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2024-12-06 03:17:30,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 03:17:30,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:17:30,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:17:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:17:30,700 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 03:17:31,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:17:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2024-12-06 03:17:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2024-12-06 03:17:31,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:17:31,212 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-12-06 03:17:31,217 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-06 03:17:31,577 INFO L77 FloydHoareUtils]: At program point L27(lines 27 99) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~main__i~0#1| 1000000) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (and (< |ULTIMATE.start_main_~main__i~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~main__i~0#1| 2147483648)))) [2024-12-06 03:17:31,577 INFO L77 FloydHoareUtils]: At program point L48(lines 45 71) the Hoare annotation is: (or (= |ULTIMATE.start_main_~main____CPAchecker_TMP_2~0#1| 0) (and (<= |ULTIMATE.start_main_~main__i~0#1| 1000000) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (and (< |ULTIMATE.start_main_~main__i~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~main__i~0#1| 2147483648)))) [2024-12-06 03:17:31,577 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 13 105) the Hoare annotation is: true [2024-12-06 03:17:31,578 INFO L77 FloydHoareUtils]: At program point $Ultimate##8(lines 33 87) the Hoare annotation is: (or (= |ULTIMATE.start_main_~main____CPAchecker_TMP_0~0#1| 0) (and (<= |ULTIMATE.start_main_~main__i~0#1| 1000000) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (and (< |ULTIMATE.start_main_~main__i~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~main__i~0#1| 2147483648)))) [2024-12-06 03:17:31,578 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2024-12-06 03:17:31,578 INFO L77 FloydHoareUtils]: At program point L61(line 61) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~main__i~0#1| 1000000) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (and (< |ULTIMATE.start_main_~main__i~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~main__i~0#1| 2147483648)))) [2024-12-06 03:17:31,578 INFO L77 FloydHoareUtils]: At program point L61-1(line 61) the Hoare annotation is: (and (<= 0 (+ 2147483649 |ULTIMATE.start_main_~main__i~0#1|)) (<= |ULTIMATE.start_main_~main__i~0#1| 1000000)) [2024-12-06 03:17:31,578 INFO L77 FloydHoareUtils]: At program point L45(lines 45 71) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~main__i~0#1| 1000000) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (and (< |ULTIMATE.start_main_~main__i~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~main__i~0#1| 2147483648)))) [2024-12-06 03:17:31,578 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2024-12-06 03:17:31,578 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:17:31,578 INFO L77 FloydHoareUtils]: At program point L29(lines 29 94) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~main__i~0#1| 1000000) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (and (< |ULTIMATE.start_main_~main__i~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~main__i~0#1| 2147483648)))) [2024-12-06 03:17:31,578 INFO L77 FloydHoareUtils]: At program point L91(lines 27 99) the Hoare annotation is: true [2024-12-06 03:17:31,579 INFO L77 FloydHoareUtils]: At program point L54(lines 54 63) the Hoare annotation is: (or (= |ULTIMATE.start_main_~__VERIFIER_assert__cond~0#1| 0) (and (<= |ULTIMATE.start_main_~main__i~0#1| 1000000) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (and (< |ULTIMATE.start_main_~main__i~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~main__i~0#1| 2147483648)))) [2024-12-06 03:17:31,579 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:17:31,579 INFO L77 FloydHoareUtils]: At program point $Ultimate##2(lines 23 104) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~main__i~0#1| 2147483648)) [2024-12-06 03:17:31,579 INFO L77 FloydHoareUtils]: At program point L43(lines 43 76) the Hoare annotation is: (or (and (<= |ULTIMATE.start_main_~main__i~0#1| 1000000) (<= 1 |ULTIMATE.start_main_~main__i~0#1|)) (and (< |ULTIMATE.start_main_~main__i~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~main__i~0#1| 2147483648)))) [2024-12-06 03:17:31,579 INFO L77 FloydHoareUtils]: At program point L68(lines 43 76) the Hoare annotation is: true [2024-12-06 03:17:31,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:17:31 ImpRootNode [2024-12-06 03:17:31,589 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:17:31,589 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:17:31,589 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:17:31,590 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:17:31,590 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:17:29" (3/4) ... [2024-12-06 03:17:31,592 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:17:31,598 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-12-06 03:17:31,599 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 03:17:31,599 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 03:17:31,599 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:17:31,682 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1de120-d845-4f1c-80f7-01e2b635856e/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:17:31,682 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1de120-d845-4f1c-80f7-01e2b635856e/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:17:31,682 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:17:31,683 INFO L158 Benchmark]: Toolchain (without parser) took 3070.99ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 115.1MB in the end (delta: 4.0MB). Peak memory consumption was 79.2MB. Max. memory is 16.1GB. [2024-12-06 03:17:31,683 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:17:31,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.96ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 108.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:17:31,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.93ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:17:31,684 INFO L158 Benchmark]: Boogie Preprocessor took 13.96ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.0MB in the end (delta: 708.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:17:31,684 INFO L158 Benchmark]: RCFGBuilder took 219.62ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 95.0MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:17:31,685 INFO L158 Benchmark]: CodeCheck took 2559.44ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 44.3MB in the end (delta: 50.6MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2024-12-06 03:17:31,685 INFO L158 Benchmark]: Witness Printer took 92.72ms. Allocated memory is still 142.6MB. Free memory was 44.3MB in the beginning and 115.1MB in the end (delta: -70.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-12-06 03:17:31,686 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 411 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191 mSDsluCounter, 388 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 398 IncrementalHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 268 mSDtfsCounter, 398 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 847 GetRequests, 773 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1866 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 38/47 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: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: 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: 23]: Location Invariant Derived location invariant: (0 <= (main__i + 2147483648)) - InvariantResult [Line: 33]: Location Invariant Derived location invariant: (((main____CPAchecker_TMP_0 == 0) || ((main__i <= 1000000) && (1 <= main__i))) || ((main__i < 1) && (0 <= (main__i + 2147483648)))) - InvariantResult [Line: 45]: Location Invariant Derived location invariant: (((main____CPAchecker_TMP_2 == 0) || ((main__i <= 1000000) && (1 <= main__i))) || ((main__i < 1) && (0 <= (main__i + 2147483648)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.96ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 108.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.93ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.96ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 106.0MB in the end (delta: 708.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 219.62ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 95.0MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2559.44ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 44.3MB in the end (delta: 50.6MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * Witness Printer took 92.72ms. Allocated memory is still 142.6MB. Free memory was 44.3MB in the beginning and 115.1MB in the end (delta: -70.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:17:31,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d1de120-d845-4f1c-80f7-01e2b635856e/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