./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk --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 cc6c31757d65ac3409144284524de01d782484107762f8e5c588ca3f4aed3437 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:14:18,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:14:18,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:14:18,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:14:18,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:14:18,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:14:18,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:14:18,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:14:18,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:14:18,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:14:18,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:14:18,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:14:18,695 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:14:18,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:14:18,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:14:18,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:14:18,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:14:18,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:14:18,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:14:18,702 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:14:18,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:14:18,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:14:18,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:14:18,708 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:14:18,708 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:14:18,709 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:14:18,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:14:18,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:14:18,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:14:18,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:14:18,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:14:18,713 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:14:18,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:14:18,714 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc6c31757d65ac3409144284524de01d782484107762f8e5c588ca3f4aed3437 [2024-11-08 23:14:19,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:14:19,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:14:19,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:14:19,113 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:14:19,114 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:14:19,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c Unable to find full path for "g++" [2024-11-08 23:14:21,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:14:21,530 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:14:21,531 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2024-11-08 23:14:21,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/data/5a38bf772/3a9c518db6e84e2a81707fa035528058/FLAGa28abf764 [2024-11-08 23:14:21,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/data/5a38bf772/3a9c518db6e84e2a81707fa035528058 [2024-11-08 23:14:21,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:14:21,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:14:21,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:14:21,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:14:21,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:14:21,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:14:21" (1/1) ... [2024-11-08 23:14:21,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43891212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:21, skipping insertion in model container [2024-11-08 23:14:21,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:14:21" (1/1) ... [2024-11-08 23:14:21,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:14:21,831 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_c0e35e50-98d3-429e-962b-c38b2dea40d0/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c[538,551] [2024-11-08 23:14:21,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:14:21,858 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:14:21,869 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_c0e35e50-98d3-429e-962b-c38b2dea40d0/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c[538,551] [2024-11-08 23:14:21,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:14:21,891 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:14:21,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:21 WrapperNode [2024-11-08 23:14:21,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:14:21,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:14:21,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:14:21,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:14:21,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:21" (1/1) ... [2024-11-08 23:14:21,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:21" (1/1) ... [2024-11-08 23:14:21,925 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-11-08 23:14:21,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:14:21,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:14:21,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:14:21,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:14:21,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:21" (1/1) ... [2024-11-08 23:14:21,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:21" (1/1) ... [2024-11-08 23:14:21,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:21" (1/1) ... [2024-11-08 23:14:21,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:21" (1/1) ... [2024-11-08 23:14:21,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:21" (1/1) ... [2024-11-08 23:14:21,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:21" (1/1) ... [2024-11-08 23:14:21,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:21" (1/1) ... [2024-11-08 23:14:21,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:21" (1/1) ... [2024-11-08 23:14:21,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:14:21,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:14:21,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:14:21,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:14:21,955 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:21" (1/1) ... [2024-11-08 23:14:21,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:14:21,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:14:21,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:14:21,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:14:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:14:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:14:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:14:22,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:14:22,106 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:14:22,108 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:14:22,257 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-08 23:14:22,258 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:14:22,292 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:14:22,293 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:14:22,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:22 BoogieIcfgContainer [2024-11-08 23:14:22,294 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:14:22,295 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:14:22,295 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:14:22,306 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:14:22,306 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:22" (1/1) ... [2024-11-08 23:14:22,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:14:22,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:22,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:14:22,380 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:14:22,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:14:22,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:22,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:22,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:14:22,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:22,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-08 23:14:22,576 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-08 23:14:22,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:14:22,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:22,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:22,625 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:14:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:22,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:14:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:22,742 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:14:22,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:14:22 ImpRootNode [2024-11-08 23:14:22,775 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:14:22,776 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:14:22,776 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:14:22,776 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:14:22,777 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:22" (3/4) ... [2024-11-08 23:14:22,780 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:14:22,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:14:22,783 INFO L158 Benchmark]: Toolchain (without parser) took 1213.78ms. Allocated memory is still 136.3MB. Free memory was 106.7MB in the beginning and 65.3MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 23:14:22,784 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 102.8MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:14:22,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.18ms. Allocated memory is still 136.3MB. Free memory was 106.2MB in the beginning and 93.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:14:22,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.00ms. Allocated memory is still 136.3MB. Free memory was 93.7MB in the beginning and 92.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:14:22,787 INFO L158 Benchmark]: Boogie Preprocessor took 26.52ms. Allocated memory is still 136.3MB. Free memory was 92.5MB in the beginning and 91.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:14:22,788 INFO L158 Benchmark]: RCFGBuilder took 340.27ms. Allocated memory is still 136.3MB. Free memory was 91.0MB in the beginning and 81.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:14:22,789 INFO L158 Benchmark]: CodeCheck took 480.11ms. Allocated memory is still 136.3MB. Free memory was 80.6MB in the beginning and 65.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:14:22,790 INFO L158 Benchmark]: Witness Printer took 6.06ms. Allocated memory is still 136.3MB. Free memory was 65.8MB in the beginning and 65.3MB in the end (delta: 486.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:14:22,794 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 7 mSDtfsCounter, 1 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - UnprovableResult [Line: 14]: 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 37, overapproximation of someBinaryArithmeticFLOAToperation at line 29. Possible FailurePath: [L20] float x = __VERIFIER_nondet_float() ; [L21] float exp = 1.0 ; [L22] float term = 1.0 ; [L23] unsigned int count = 1 ; [L24] float result = 2*(1/(1-x)) ; [L25] int temp ; VAL [count=1] [L27] COND TRUE 1 [L29] term = term * (x/count) [L30] exp = exp + term [L31] count++ [L33] temp = __VERIFIER_nondet_int() [L34] COND TRUE temp ==0 VAL [count=2] [L37] CALL __VERIFIER_assert( result >= exp ) [L14] COND TRUE !(cond) [L14] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 102.8MB. Free memory is still 58.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.18ms. Allocated memory is still 136.3MB. Free memory was 106.2MB in the beginning and 93.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.00ms. Allocated memory is still 136.3MB. Free memory was 93.7MB in the beginning and 92.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.52ms. Allocated memory is still 136.3MB. Free memory was 92.5MB in the beginning and 91.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 340.27ms. Allocated memory is still 136.3MB. Free memory was 91.0MB in the beginning and 81.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 480.11ms. Allocated memory is still 136.3MB. Free memory was 80.6MB in the beginning and 65.8MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.06ms. Allocated memory is still 136.3MB. Free memory was 65.8MB in the beginning and 65.3MB in the end (delta: 486.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:14:22,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk --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 cc6c31757d65ac3409144284524de01d782484107762f8e5c588ca3f4aed3437 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:14:25,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:14:25,726 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:14:25,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:14:25,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:14:25,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:14:25,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:14:25,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:14:25,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:14:25,787 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:14:25,788 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:14:25,788 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:14:25,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:14:25,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:14:25,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:14:25,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:14:25,794 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:14:25,794 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:14:25,794 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:14:25,795 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:14:25,795 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:14:25,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:14:25,796 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:14:25,797 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:14:25,797 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:14:25,798 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:14:25,798 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:25,798 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:14:25,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:14:25,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:14:25,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:14:25,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:14:25,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:14:25,801 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:14:25,801 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:25,802 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:14:25,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc6c31757d65ac3409144284524de01d782484107762f8e5c588ca3f4aed3437 [2024-11-08 23:14:26,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:14:26,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:14:26,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:14:26,298 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:14:26,300 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:14:26,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c Unable to find full path for "g++" [2024-11-08 23:14:28,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:14:28,903 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:14:28,903 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2024-11-08 23:14:28,911 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/data/5b3348450/ecebc6d6d29a464db9887cf1a05acec4/FLAG6b24567bf [2024-11-08 23:14:29,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/data/5b3348450/ecebc6d6d29a464db9887cf1a05acec4 [2024-11-08 23:14:29,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:14:29,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:14:29,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:14:29,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:14:29,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:14:29,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:14:29" (1/1) ... [2024-11-08 23:14:29,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f58d449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:29, skipping insertion in model container [2024-11-08 23:14:29,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:14:29" (1/1) ... [2024-11-08 23:14:29,329 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:14:29,609 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_c0e35e50-98d3-429e-962b-c38b2dea40d0/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c[538,551] [2024-11-08 23:14:29,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:14:29,658 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:14:29,679 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_c0e35e50-98d3-429e-962b-c38b2dea40d0/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c[538,551] [2024-11-08 23:14:29,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:14:29,714 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:14:29,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:29 WrapperNode [2024-11-08 23:14:29,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:14:29,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:14:29,717 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:14:29,717 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:14:29,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:29" (1/1) ... [2024-11-08 23:14:29,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:29" (1/1) ... [2024-11-08 23:14:29,762 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2024-11-08 23:14:29,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:14:29,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:14:29,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:14:29,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:14:29,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:29" (1/1) ... [2024-11-08 23:14:29,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:29" (1/1) ... [2024-11-08 23:14:29,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:29" (1/1) ... [2024-11-08 23:14:29,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:29" (1/1) ... [2024-11-08 23:14:29,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:29" (1/1) ... [2024-11-08 23:14:29,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:29" (1/1) ... [2024-11-08 23:14:29,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:29" (1/1) ... [2024-11-08 23:14:29,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:29" (1/1) ... [2024-11-08 23:14:29,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:14:29,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:14:29,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:14:29,816 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:14:29,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:14:29" (1/1) ... [2024-11-08 23:14:29,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:14:29,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:14:29,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:14:29,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:14:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:14:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:14:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:14:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:14:29,990 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:14:29,993 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:14:40,928 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-08 23:14:40,928 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:14:40,980 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:14:40,982 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:14:40,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:40 BoogieIcfgContainer [2024-11-08 23:14:40,983 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:14:40,984 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:14:40,985 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:14:40,995 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:14:40,996 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:40" (1/1) ... [2024-11-08 23:14:41,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:14:41,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:41,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:14:41,065 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:14:41,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:14:41,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:41,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:41,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:41,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:41,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:14:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:41,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:41,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:14:41,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:41,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:14:41,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:43,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:14:43,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:43,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-08 23:14:43,248 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-08 23:14:43,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:14:43,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:43,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:43,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:43,251 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:43,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0e35e50-98d3-429e-962b-c38b2dea40d0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:14:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:14:44,019 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:14:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat