./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_square_int.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/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_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_int.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:11:26,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:11:26,625 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:11:26,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:11:26,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:11:26,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:11:26,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:11:26,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:11:26,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:11:26,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:11:26,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:11:26,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:11:26,651 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:11:26,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:11:26,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:11:26,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:11:26,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:11:26,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:11:26,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:11:26,652 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:11:26,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:11:26,652 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:11:26,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:11:26,652 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:11:26,652 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:11:26,652 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:11:26,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:11:26,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:11:26,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:11:26,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:11:26,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:11:26,653 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:11:26,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:11:26,653 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_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d [2024-12-06 06:11:26,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:11:26,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:11:26,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:11:26,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:11:26,879 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:11:26,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/inv_square_int.c [2024-12-06 06:11:29,499 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/data/dce912287/d476263a3c3f4fefb45dd9434bd5d9a6/FLAG8a885accd [2024-12-06 06:11:29,695 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:11:29,695 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/sv-benchmarks/c/float-benchs/inv_square_int.c [2024-12-06 06:11:29,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/data/dce912287/d476263a3c3f4fefb45dd9434bd5d9a6/FLAG8a885accd [2024-12-06 06:11:30,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/data/dce912287/d476263a3c3f4fefb45dd9434bd5d9a6 [2024-12-06 06:11:30,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:11:30,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:11:30,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:11:30,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:11:30,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:11:30,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:11:30" (1/1) ... [2024-12-06 06:11:30,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@352bfc88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:30, skipping insertion in model container [2024-12-06 06:11:30,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:11:30" (1/1) ... [2024-12-06 06:11:30,094 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:11:30,203 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_619b6531-45d3-4527-85c1-c5eb112aac48/sv-benchmarks/c/float-benchs/inv_square_int.c[482,495] [2024-12-06 06:11:30,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:11:30,219 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:11:30,229 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_619b6531-45d3-4527-85c1-c5eb112aac48/sv-benchmarks/c/float-benchs/inv_square_int.c[482,495] [2024-12-06 06:11:30,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:11:30,244 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:11:30,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:30 WrapperNode [2024-12-06 06:11:30,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:11:30,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:11:30,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:11:30,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:11:30,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:30" (1/1) ... [2024-12-06 06:11:30,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:30" (1/1) ... [2024-12-06 06:11:30,273 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-12-06 06:11:30,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:11:30,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:11:30,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:11:30,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:11:30,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:30" (1/1) ... [2024-12-06 06:11:30,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:30" (1/1) ... [2024-12-06 06:11:30,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:30" (1/1) ... [2024-12-06 06:11:30,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:30" (1/1) ... [2024-12-06 06:11:30,284 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:30" (1/1) ... [2024-12-06 06:11:30,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:30" (1/1) ... [2024-12-06 06:11:30,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:30" (1/1) ... [2024-12-06 06:11:30,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:30" (1/1) ... [2024-12-06 06:11:30,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:30" (1/1) ... [2024-12-06 06:11:30,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:11:30,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:11:30,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:11:30,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:11:30,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:30" (1/1) ... [2024-12-06 06:11:30,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:11:30,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:11:30,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:11:30,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:11:30,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:11:30,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:11:30,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:11:30,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:11:30,382 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:11:30,383 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:11:30,455 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 06:11:30,455 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:11:30,496 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:11:30,496 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:11:30,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:11:30 BoogieIcfgContainer [2024-12-06 06:11:30,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:11:30,497 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:11:30,497 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:11:30,505 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:11:30,505 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:11:30" (1/1) ... [2024-12-06 06:11:30,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:11:30,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:30,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 06:11:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 06:11:30,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:11:30,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:30,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:11:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:11:30,616 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:11:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:11:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:11:30,654 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:11:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:11:30,665 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 06:11:30,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:11:30 ImpRootNode [2024-12-06 06:11:30,677 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:11:30,677 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:11:30,677 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:11:30,677 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:11:30,678 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:11:30" (3/4) ... [2024-12-06 06:11:30,680 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:11:30,681 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:11:30,681 INFO L158 Benchmark]: Toolchain (without parser) took 601.38ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 59.6MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 06:11:30,682 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:11:30,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.58ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:11:30,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.37ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:11:30,683 INFO L158 Benchmark]: Boogie Preprocessor took 15.06ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 81.1MB in the end (delta: 611.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:11:30,683 INFO L158 Benchmark]: RCFGBuilder took 206.86ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 70.1MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:11:30,684 INFO L158 Benchmark]: CodeCheck took 179.75ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 59.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:11:30,684 INFO L158 Benchmark]: Witness Printer took 3.64ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 12.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:11:30,687 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 13]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 24, overapproximation of someBinaryArithmeticFLOAToperation at line 23. Possible FailurePath: [L17] int x; [L18] float y, z; [L20] x = __VERIFIER_nondet_int() [L21] CALL assume_abort_if_not(x >= -10 && x <= 10) [L11] COND FALSE !(!cond) [L21] RET assume_abort_if_not(x >= -10 && x <= 10) [L23] y = x*x - 2.f [L24] CALL __VERIFIER_assert(y != 0.f) [L13] COND TRUE !(cond) [L13] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.58ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.37ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 81.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.06ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 81.1MB in the end (delta: 611.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 206.86ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 70.1MB in the end (delta: 10.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 179.75ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 59.8MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.64ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 12.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 06:11:30,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/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_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_square_int.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:11:32,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:11:32,719 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 06:11:32,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:11:32,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:11:32,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:11:32,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:11:32,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:11:32,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:11:32,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:11:32,744 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:11:32,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:11:32,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:11:32,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:11:32,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:11:32,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:11:32,744 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:11:32,744 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:11:32,744 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:11:32,745 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:11:32,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:11:32,745 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:11:32,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:11:32,745 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:11:32,745 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:11:32,745 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:11:32,745 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:11:32,745 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:11:32,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:11:32,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:11:32,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:11:32,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:11:32,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:11:32,746 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:11:32,746 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:11:32,746 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:11:32,746 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_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d6111f1172e07b7206075be423d21f33b529e79943d78b2db976fd996371e2d [2024-12-06 06:11:32,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:11:32,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:11:32,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:11:32,977 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:11:32,977 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:11:32,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/inv_square_int.c [2024-12-06 06:11:35,648 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/data/084c95c00/478f2ff0c5fa48948a99feab8ab1ee97/FLAG061aceb73 [2024-12-06 06:11:35,849 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:11:35,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/sv-benchmarks/c/float-benchs/inv_square_int.c [2024-12-06 06:11:35,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/data/084c95c00/478f2ff0c5fa48948a99feab8ab1ee97/FLAG061aceb73 [2024-12-06 06:11:36,223 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/data/084c95c00/478f2ff0c5fa48948a99feab8ab1ee97 [2024-12-06 06:11:36,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:11:36,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:11:36,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:11:36,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:11:36,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:11:36,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:11:36" (1/1) ... [2024-12-06 06:11:36,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b95cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:36, skipping insertion in model container [2024-12-06 06:11:36,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:11:36" (1/1) ... [2024-12-06 06:11:36,239 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:11:36,350 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_619b6531-45d3-4527-85c1-c5eb112aac48/sv-benchmarks/c/float-benchs/inv_square_int.c[482,495] [2024-12-06 06:11:36,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:11:36,371 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:11:36,382 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_619b6531-45d3-4527-85c1-c5eb112aac48/sv-benchmarks/c/float-benchs/inv_square_int.c[482,495] [2024-12-06 06:11:36,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:11:36,398 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:11:36,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:36 WrapperNode [2024-12-06 06:11:36,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:11:36,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:11:36,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:11:36,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:11:36,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:36" (1/1) ... [2024-12-06 06:11:36,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:36" (1/1) ... [2024-12-06 06:11:36,424 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 31 [2024-12-06 06:11:36,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:11:36,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:11:36,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:11:36,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:11:36,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:36" (1/1) ... [2024-12-06 06:11:36,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:36" (1/1) ... [2024-12-06 06:11:36,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:36" (1/1) ... [2024-12-06 06:11:36,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:36" (1/1) ... [2024-12-06 06:11:36,438 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:36" (1/1) ... [2024-12-06 06:11:36,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:36" (1/1) ... [2024-12-06 06:11:36,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:36" (1/1) ... [2024-12-06 06:11:36,441 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:36" (1/1) ... [2024-12-06 06:11:36,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:36" (1/1) ... [2024-12-06 06:11:36,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:11:36,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:11:36,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:11:36,445 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:11:36,446 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:11:36" (1/1) ... [2024-12-06 06:11:36,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:11:36,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:11:36,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:11:36,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:11:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:11:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:11:36,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:11:36,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:11:36,544 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:11:36,545 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:11:37,638 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 06:11:37,639 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:11:37,674 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:11:37,674 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 06:11:37,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:11:37 BoogieIcfgContainer [2024-12-06 06:11:37,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:11:37,675 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:11:37,675 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:11:37,684 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:11:37,685 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:11:37" (1/1) ... [2024-12-06 06:11:37,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:11:37,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:37,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-12-06 06:11:37,726 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-12-06 06:11:37,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 06:11:37,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:11:37,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:11:37,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:11:37,730 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:11:37,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:11:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:37,855 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:11:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:11:38,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 06:11:38,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:11:39,425 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 06:11:39,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:11:40,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:11:40,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-12-06 06:11:40,142 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-12-06 06:11:40,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 06:11:40,142 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-12-06 06:11:40,148 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 06:11:40,158 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 06:11:40,158 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2024-12-06 06:11:40,158 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) [2024-12-06 06:11:40,158 INFO L75 FloydHoareUtils]: For program point L13-1(line 13) no Hoare annotation was computed. [2024-12-06 06:11:40,158 INFO L77 FloydHoareUtils]: At program point L13-3(line 13) the Hoare annotation is: true [2024-12-06 06:11:40,158 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 06:11:40,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:11:40 ImpRootNode [2024-12-06 06:11:40,163 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:11:40,163 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:11:40,163 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:11:40,163 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:11:40,164 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:11:37" (3/4) ... [2024-12-06 06:11:40,166 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 06:11:40,170 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-06 06:11:40,170 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-06 06:11:40,170 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 06:11:40,170 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 06:11:40,227 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 06:11:40,228 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 06:11:40,228 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:11:40,229 INFO L158 Benchmark]: Toolchain (without parser) took 4002.79ms. Allocated memory is still 92.3MB. Free memory was 70.5MB in the beginning and 54.5MB in the end (delta: 16.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-06 06:11:40,229 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:11:40,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.80ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 59.0MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:11:40,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.59ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 57.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:11:40,230 INFO L158 Benchmark]: Boogie Preprocessor took 18.95ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 56.9MB in the end (delta: 900.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:11:40,230 INFO L158 Benchmark]: RCFGBuilder took 1229.66ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 44.6MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:11:40,231 INFO L158 Benchmark]: CodeCheck took 2488.33ms. Allocated memory is still 92.3MB. Free memory was 44.6MB in the beginning and 59.0MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:11:40,231 INFO L158 Benchmark]: Witness Printer took 64.66ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 54.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:11:40,233 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, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 2 NumberOfNonLiveVariables, 18 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 13]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.80ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 59.0MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.59ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 57.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.95ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 56.9MB in the end (delta: 900.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1229.66ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 44.6MB in the end (delta: 12.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2488.33ms. Allocated memory is still 92.3MB. Free memory was 44.6MB in the beginning and 59.0MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 64.66ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 54.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 06:11:40,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_619b6531-45d3-4527-85c1-c5eb112aac48/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