./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL --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 aa004690edfde808b1aefac96308d2a9e2df62056aeddc89c51bd2015ab29125 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:19,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:19,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:06:19,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:19,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:19,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:19,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:19,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:19,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:19,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:19,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:19,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:19,572 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:19,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:19,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:19,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:19,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:19,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:19,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:19,576 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:19,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:19,577 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:19,578 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:19,578 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:19,579 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:19,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:19,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:19,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:19,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:19,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:19,583 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:19,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:19,583 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:19,583 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_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa004690edfde808b1aefac96308d2a9e2df62056aeddc89c51bd2015ab29125 [2023-11-19 04:06:19,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:19,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:19,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:19,872 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:19,873 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:19,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i [2023-11-19 04:06:23,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:23,229 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:23,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i [2023-11-19 04:06:23,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/data/a92ae5477/1222431d4a244c339e04825080ce3a61/FLAGf1ed43502 [2023-11-19 04:06:23,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/data/a92ae5477/1222431d4a244c339e04825080ce3a61 [2023-11-19 04:06:23,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:23,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:23,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:23,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:23,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:23,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:23" (1/1) ... [2023-11-19 04:06:23,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e5b325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:23, skipping insertion in model container [2023-11-19 04:06:23,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:23" (1/1) ... [2023-11-19 04:06:23,288 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:23,461 WARN L240 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_efb679d0-4cec-427f-9649-e791a8a9af56/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i[808,821] [2023-11-19 04:06:23,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:23,482 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:23,497 WARN L240 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_efb679d0-4cec-427f-9649-e791a8a9af56/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i[808,821] [2023-11-19 04:06:23,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:23,516 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:23,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:23 WrapperNode [2023-11-19 04:06:23,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:23,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:23,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:23,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:23,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:23" (1/1) ... [2023-11-19 04:06:23,536 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:23" (1/1) ... [2023-11-19 04:06:23,555 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2023-11-19 04:06:23,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:23,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:23,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:23,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:23,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:23" (1/1) ... [2023-11-19 04:06:23,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:23" (1/1) ... [2023-11-19 04:06:23,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:23" (1/1) ... [2023-11-19 04:06:23,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:23" (1/1) ... [2023-11-19 04:06:23,571 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:23" (1/1) ... [2023-11-19 04:06:23,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:23" (1/1) ... [2023-11-19 04:06:23,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:23" (1/1) ... [2023-11-19 04:06:23,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:23" (1/1) ... [2023-11-19 04:06:23,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:23,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:23,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:23,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:23,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:23" (1/1) ... [2023-11-19 04:06:23,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:23,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:23,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:23,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:06:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:23,712 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:23,715 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:23,814 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:23,841 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:23,841 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:06:23,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:23 BoogieIcfgContainer [2023-11-19 04:06:23,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:23,847 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:23,847 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:23,858 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:23,858 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:23" (1/1) ... [2023-11-19 04:06:23,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:23,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:23,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 04:06:23,915 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 04:06:23,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:06:23,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:23,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:24,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:06:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:24,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:06:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:06:24,089 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:06:24,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:06:24 ImpRootNode [2023-11-19 04:06:24,124 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:06:24,125 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:06:24,125 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:06:24,126 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:06:24,126 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:23" (3/4) ... [2023-11-19 04:06:24,128 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:06:24,129 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:06:24,131 INFO L158 Benchmark]: Toolchain (without parser) took 873.14ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 109.8MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:24,135 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:24,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.10ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 93.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:06:24,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.38ms. Allocated memory is still 144.7MB. Free memory was 93.8MB in the beginning and 92.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:24,137 INFO L158 Benchmark]: Boogie Preprocessor took 21.20ms. Allocated memory is still 144.7MB. Free memory was 92.5MB in the beginning and 91.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:24,139 INFO L158 Benchmark]: RCFGBuilder took 268.08ms. Allocated memory is still 144.7MB. Free memory was 91.3MB in the beginning and 82.0MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:06:24,141 INFO L158 Benchmark]: CodeCheck took 277.85ms. Allocated memory is still 144.7MB. Free memory was 82.0MB in the beginning and 110.5MB in the end (delta: -28.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:24,142 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 144.7MB. Free memory was 110.5MB in the beginning and 109.8MB in the end (delta: 727.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:24,146 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 4 NumberOfCodeBlocks, 4 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 - 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 someBinaryDOUBLEComparisonOperation at line 23, overapproximation of someBinaryArithmeticDOUBLEoperation at line 21. Possible FailurePath: [L20] double x = 1.0; [L21] double x1 = x/1.6; VAL [x=1] [L23] COND FALSE !(x1 != x) [L29] CALL __VERIFIER_assert(x == 0) [L13] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L13] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 107.0MB. Free memory is still 55.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.10ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 93.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.38ms. Allocated memory is still 144.7MB. Free memory was 93.8MB in the beginning and 92.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.20ms. Allocated memory is still 144.7MB. Free memory was 92.5MB in the beginning and 91.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 268.08ms. Allocated memory is still 144.7MB. Free memory was 91.3MB in the beginning and 82.0MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 277.85ms. Allocated memory is still 144.7MB. Free memory was 82.0MB in the beginning and 110.5MB in the end (delta: -28.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 144.7MB. Free memory was 110.5MB in the beginning and 109.8MB in the end (delta: 727.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:06:24,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL --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 aa004690edfde808b1aefac96308d2a9e2df62056aeddc89c51bd2015ab29125 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:26,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:27,066 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:06:27,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:27,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:27,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:27,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:27,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:27,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:27,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:27,130 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:27,130 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:27,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:27,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:27,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:27,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:27,134 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:06:27,135 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:06:27,135 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:06:27,136 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:27,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:27,138 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:27,138 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:27,139 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:27,139 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:27,140 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:27,140 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:06:27,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:27,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:27,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:27,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:27,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:27,144 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:06:27,144 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:27,145 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:27,145 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:06:27,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:06:27,145 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa004690edfde808b1aefac96308d2a9e2df62056aeddc89c51bd2015ab29125 [2023-11-19 04:06:27,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:27,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:27,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:27,654 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:27,655 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:27,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i [2023-11-19 04:06:30,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:31,145 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:31,146 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i [2023-11-19 04:06:31,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/data/90de43263/370532da30a94b4786b4551714612cdf/FLAGe9ebc777c [2023-11-19 04:06:31,168 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/data/90de43263/370532da30a94b4786b4551714612cdf [2023-11-19 04:06:31,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:31,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:31,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:31,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:31,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:31,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ce3927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31, skipping insertion in model container [2023-11-19 04:06:31,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,212 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:31,404 WARN L240 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_efb679d0-4cec-427f-9649-e791a8a9af56/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i[808,821] [2023-11-19 04:06:31,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:31,436 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:31,453 WARN L240 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_efb679d0-4cec-427f-9649-e791a8a9af56/sv-benchmarks/c/floats-esbmc-regression/Double_div_bad.i[808,821] [2023-11-19 04:06:31,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:31,476 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:31,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31 WrapperNode [2023-11-19 04:06:31,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:31,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:31,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:31,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:31,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,516 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2023-11-19 04:06:31,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:31,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:31,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:31,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:31,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:31,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:31,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:31,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:31,570 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:31" (1/1) ... [2023-11-19 04:06:31,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:31,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:31,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:31,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:31,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:06:31,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:31,800 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:31,802 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:32,685 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:32,725 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:32,726 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:06:32,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:32 BoogieIcfgContainer [2023-11-19 04:06:32,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:32,741 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:32,741 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:32,755 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:32,756 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:32" (1/1) ... [2023-11-19 04:06:32,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:32,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:32,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 04:06:32,845 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 04:06:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:06:32,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:32,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:32,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:06:32,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:06:32,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:06:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:34,377 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:06:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:35,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:06:35,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:39,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:39,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 04:06:43,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:06:52,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:06:58,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:07:08,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:07:09,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:09,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-19 04:07:09,131 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-19 04:07:09,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:07:09,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:09,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:09,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:07:09,138 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:07:09,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 04:07:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:11,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:07:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 04:07:22,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 04:07:22,344 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 04:07:22,353 INFO L158 Benchmark]: Toolchain (without parser) took 51180.01ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 51.8MB in the beginning and 55.3MB in the end (delta: -3.5MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-11-19 04:07:22,353 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:22,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.56ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 40.8MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:07:22,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.71ms. Allocated memory is still 75.5MB. Free memory was 40.8MB in the beginning and 39.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:22,355 INFO L158 Benchmark]: Boogie Preprocessor took 51.16ms. Allocated memory is still 75.5MB. Free memory was 39.4MB in the beginning and 38.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:22,356 INFO L158 Benchmark]: RCFGBuilder took 1170.40ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 38.0MB in the beginning and 69.2MB in the end (delta: -31.1MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2023-11-19 04:07:22,357 INFO L158 Benchmark]: CodeCheck took 49611.21ms. Allocated memory is still 98.6MB. Free memory was 69.2MB in the beginning and 55.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:07:22,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.56ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 40.8MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.71ms. Allocated memory is still 75.5MB. Free memory was 40.8MB in the beginning and 39.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.16ms. Allocated memory is still 75.5MB. Free memory was 39.4MB in the beginning and 38.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1170.40ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 38.0MB in the beginning and 69.2MB in the end (delta: -31.1MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * CodeCheck took 49611.21ms. Allocated memory is still 98.6MB. Free memory was 69.2MB in the beginning and 55.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:07:22,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efb679d0-4cec-427f-9649-e791a8a9af56/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown