./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9 --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 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:33:17,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:33:17,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:33:17,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:33:17,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:33:17,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:33:17,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:33:17,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:33:17,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:33:17,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:33:17,725 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:33:17,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:33:17,726 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:33:17,726 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:33:17,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:33:17,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:33:17,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:33:17,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:33:17,729 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:33:17,729 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:33:17,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:33:17,731 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:33:17,731 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:33:17,732 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:33:17,732 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:33:17,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:33:17,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:33:17,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:33:17,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:33:17,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:33:17,735 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:33:17,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:33:17,735 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:33:17,736 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_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e [2023-12-02 21:33:17,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:33:17,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:33:17,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:33:17,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:33:17,951 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:33:17,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2023-12-02 21:33:20,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:33:20,828 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:33:20,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2023-12-02 21:33:20,835 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/data/7a706461e/4c846c9d466b43b080c3ac7c37869b4e/FLAGb005e9325 [2023-12-02 21:33:20,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/data/7a706461e/4c846c9d466b43b080c3ac7c37869b4e [2023-12-02 21:33:20,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:33:20,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:33:20,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:33:20,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:33:20,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:33:20,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:33:20" (1/1) ... [2023-12-02 21:33:20,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575faa91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:20, skipping insertion in model container [2023-12-02 21:33:20,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:33:20" (1/1) ... [2023-12-02 21:33:20,896 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:33:21,061 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_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2023-12-02 21:33:21,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:33:21,081 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:33:21,098 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_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2023-12-02 21:33:21,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:33:21,115 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:33:21,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:21 WrapperNode [2023-12-02 21:33:21,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:33:21,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:33:21,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:33:21,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:33:21,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:21" (1/1) ... [2023-12-02 21:33:21,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:21" (1/1) ... [2023-12-02 21:33:21,151 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2023-12-02 21:33:21,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:33:21,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:33:21,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:33:21,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:33:21,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:21" (1/1) ... [2023-12-02 21:33:21,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:21" (1/1) ... [2023-12-02 21:33:21,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:21" (1/1) ... [2023-12-02 21:33:21,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:21" (1/1) ... [2023-12-02 21:33:21,167 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:21" (1/1) ... [2023-12-02 21:33:21,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:21" (1/1) ... [2023-12-02 21:33:21,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:21" (1/1) ... [2023-12-02 21:33:21,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:21" (1/1) ... [2023-12-02 21:33:21,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:33:21,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:33:21,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:33:21,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:33:21,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:21" (1/1) ... [2023-12-02 21:33:21,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:33:21,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:33:21,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:33:21,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:33:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:33:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:33:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:33:21,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:33:21,308 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:33:21,311 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:33:21,425 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:33:21,465 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:33:21,466 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:33:21,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:33:21 BoogieIcfgContainer [2023-12-02 21:33:21,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:33:21,468 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:33:21,469 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:33:21,477 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:33:21,477 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:33:21" (1/1) ... [2023-12-02 21:33:21,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:33:21,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:21,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-12-02 21:33:21,553 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-12-02 21:33:21,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:33:21,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:21,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:33:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:21,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:33:21,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:21,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-12-02 21:33:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-12-02 21:33:21,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:33:21,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:21,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:33:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:33:21,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:21,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-12-02 21:33:21,909 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-12-02 21:33:21,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:33:21,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:21,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:33:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:33:21,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:33:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:33:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:33:21,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:33:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:33:21,995 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-02 21:33:22,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:33:22 ImpRootNode [2023-12-02 21:33:22,020 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:33:22,021 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:33:22,021 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:33:22,021 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:33:22,022 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:33:21" (3/4) ... [2023-12-02 21:33:22,023 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:33:22,024 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:33:22,025 INFO L158 Benchmark]: Toolchain (without parser) took 1174.22ms. Allocated memory is still 153.1MB. Free memory was 108.3MB in the beginning and 98.1MB in the end (delta: 10.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-12-02 21:33:22,026 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:33:22,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.95ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 97.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:33:22,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.53ms. Allocated memory is still 153.1MB. Free memory was 97.0MB in the beginning and 95.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:33:22,027 INFO L158 Benchmark]: Boogie Preprocessor took 21.19ms. Allocated memory is still 153.1MB. Free memory was 95.3MB in the beginning and 94.4MB in the end (delta: 865.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:33:22,028 INFO L158 Benchmark]: RCFGBuilder took 293.80ms. Allocated memory is still 153.1MB. Free memory was 94.4MB in the beginning and 82.8MB in the end (delta: 11.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:33:22,029 INFO L158 Benchmark]: CodeCheck took 551.98ms. Allocated memory is still 153.1MB. Free memory was 82.8MB in the beginning and 99.0MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:33:22,029 INFO L158 Benchmark]: Witness Printer took 3.63ms. Allocated memory is still 153.1MB. Free memory was 99.0MB in the beginning and 98.1MB in the end (delta: 837.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:33:22,033 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 36 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 66]: 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 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of to_real at line 20, overapproximation of someBinaryArithmeticFLOAToperation at line 47. Possible FailurePath: [L1] int __return_main; [L14] float main__X; [L15] float main__Y; [L16] float main__S; [L17] float main__R; [L18] float main__D; [L19] int main__i; [L20] main__Y = 0 [L21] main__i = 0 VAL [__return_main=0, main__i=0] [L23] COND TRUE main__i < 100000 [L25] main__X = __VERIFIER_nondet_float() [L26] main__D = __VERIFIER_nondet_float() [L27] int main____CPAchecker_TMP_0; VAL [__return_main=0, main__i=0] [L28] COND TRUE main__X >= -128.0 VAL [__return_main=0, main__i=0] [L30] COND TRUE main__X <= 128.0 [L32] main____CPAchecker_TMP_0 = 1 VAL [__return_main=0, main____CPAchecker_TMP_0=1, main__i=0] [L34] COND TRUE main____CPAchecker_TMP_0 != 0 [L36] int main____CPAchecker_TMP_1; VAL [__return_main=0, main____CPAchecker_TMP_0=1, main__i=0] [L37] COND TRUE main__D >= 0.0 VAL [__return_main=0, main____CPAchecker_TMP_0=1, main__i=0] [L39] COND TRUE main__D <= 16.0 [L41] main____CPAchecker_TMP_1 = 1 VAL [__return_main=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__i=0] [L43] COND TRUE main____CPAchecker_TMP_1 != 0 [L45] main__S = main__Y [L46] main__Y = main__X [L47] main__R = main__X - main__S [L48] COND TRUE main__R <= (-main__D) [L50] main__Y = main__S - main__D [L52] int main____CPAchecker_TMP_2; VAL [__return_main=0, main__S=2, main__X=3, main__Y=3, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__i=0] [L53] COND FALSE !(main__Y >= -129.0) VAL [__return_main=0, main__S=2, main__X=3, main__Y=3, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__i=0] [L79] main____CPAchecker_TMP_2 = 0 VAL [__return_main=0, main__S=2, main__X=3, main__Y=3, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__i=0] [L60] int __tmp_1; [L61] __tmp_1 = main____CPAchecker_TMP_2 [L62] int __VERIFIER_assert__cond; [L63] __VERIFIER_assert__cond = __tmp_1 VAL [__VERIFIER_assert__cond=0, __return_main=0, __tmp_1=0, main__S=2, main__X=3, main__Y=3, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__i=0] [L64] COND TRUE __VERIFIER_assert__cond == 0 VAL [__VERIFIER_assert__cond=0, __return_main=0, __tmp_1=0, main__S=2, main__X=3, main__Y=3, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__i=0] [L66] reach_error() VAL [__VERIFIER_assert__cond=0, __return_main=0, __tmp_1=0, main__S=2, main__X=3, main__Y=3, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__i=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.95ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 97.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.53ms. Allocated memory is still 153.1MB. Free memory was 97.0MB in the beginning and 95.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.19ms. Allocated memory is still 153.1MB. Free memory was 95.3MB in the beginning and 94.4MB in the end (delta: 865.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 293.80ms. Allocated memory is still 153.1MB. Free memory was 94.4MB in the beginning and 82.8MB in the end (delta: 11.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 551.98ms. Allocated memory is still 153.1MB. Free memory was 82.8MB in the beginning and 99.0MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.63ms. Allocated memory is still 153.1MB. Free memory was 99.0MB in the beginning and 98.1MB in the end (delta: 837.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:33:22,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9 --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 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:33:23,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:33:24,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:33:24,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:33:24,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:33:24,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:33:24,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:33:24,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:33:24,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:33:24,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:33:24,080 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:33:24,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:33:24,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:33:24,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:33:24,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:33:24,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:33:24,084 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:33:24,084 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:33:24,085 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:33:24,085 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:33:24,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:33:24,086 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:33:24,087 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:33:24,087 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:33:24,088 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:33:24,088 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:33:24,089 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:33:24,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:33:24,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:33:24,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:33:24,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:33:24,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:33:24,092 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:33:24,092 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:33:24,092 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:33:24,092 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:33:24,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:33:24,093 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_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18b0d5e6a0e5bf3511d59ae2b1faedfad3abe1ea74492067ae408dc7e088829e [2023-12-02 21:33:24,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:33:24,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:33:24,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:33:24,403 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:33:24,403 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:33:24,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2023-12-02 21:33:27,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:33:27,378 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:33:27,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c [2023-12-02 21:33:27,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/data/9b3fa1c44/adb2dc674b7649b0af27c5d26075199b/FLAG75d71c857 [2023-12-02 21:33:27,745 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/data/9b3fa1c44/adb2dc674b7649b0af27c5d26075199b [2023-12-02 21:33:27,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:33:27,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:33:27,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:33:27,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:33:27,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:33:27,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:33:27" (1/1) ... [2023-12-02 21:33:27,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5162fc4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:27, skipping insertion in model container [2023-12-02 21:33:27,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:33:27" (1/1) ... [2023-12-02 21:33:27,776 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:33:27,932 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_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2023-12-02 21:33:27,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:33:27,958 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:33:27,977 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_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/sv-benchmarks/c/float-benchs/rlim_invariant.c.p+cfa-reducer.c[1464,1477] [2023-12-02 21:33:27,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:33:27,996 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:33:27,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:27 WrapperNode [2023-12-02 21:33:27,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:33:27,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:33:27,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:33:27,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:33:28,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:27" (1/1) ... [2023-12-02 21:33:28,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:27" (1/1) ... [2023-12-02 21:33:28,034 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 86 [2023-12-02 21:33:28,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:33:28,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:33:28,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:33:28,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:33:28,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:27" (1/1) ... [2023-12-02 21:33:28,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:27" (1/1) ... [2023-12-02 21:33:28,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:27" (1/1) ... [2023-12-02 21:33:28,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:27" (1/1) ... [2023-12-02 21:33:28,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:27" (1/1) ... [2023-12-02 21:33:28,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:27" (1/1) ... [2023-12-02 21:33:28,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:27" (1/1) ... [2023-12-02 21:33:28,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:27" (1/1) ... [2023-12-02 21:33:28,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:33:28,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:33:28,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:33:28,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:33:28,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:33:27" (1/1) ... [2023-12-02 21:33:28,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:33:28,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:33:28,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:33:28,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:33:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:33:28,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:33:28,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:33:28,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:33:28,210 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:33:28,212 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:33:29,312 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:33:29,347 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:33:29,348 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:33:29,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:33:29 BoogieIcfgContainer [2023-12-02 21:33:29,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:33:29,350 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:33:29,350 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:33:29,360 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:33:29,360 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:33:29" (1/1) ... [2023-12-02 21:33:29,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:33:29,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:29,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-12-02 21:33:29,418 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-12-02 21:33:29,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:33:29,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:29,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:33:29,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:33:29,448 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:33:29,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:33:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:29,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:33:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:29,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:33:29,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:29,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:33:29,724 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:33:29,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:33:29,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:29,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-12-02 21:33:29,972 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-12-02 21:33:29,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:33:29,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:29,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:33:29,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:33:29,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:33:29,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:33:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:30,066 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:33:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:30,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:33:30,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:33:30,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:33:30,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:30,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-12-02 21:33:30,301 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-12-02 21:33:30,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:33:30,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:30,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:33:30,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:33:30,303 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:33:30,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:33:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:30,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:33:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:31,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:33:31,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:21,984 WARN L293 SmtUtils]: Spent 20.54s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:34:23,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:34:23,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:35:56,814 WARN L293 SmtUtils]: Spent 23.38s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:35:59,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:36:06,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.85s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:36:14,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:36:18,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:36:20,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:36:21,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:36:21,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:21,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2023-12-02 21:36:21,891 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2023-12-02 21:36:21,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:36:21,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:21,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:21,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:21,896 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:21,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 21:36:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:21,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:22,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:36:22,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:24,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:36:24,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 21:36:39,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:39,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2023-12-02 21:36:39,679 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2023-12-02 21:36:39,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:36:39,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:39,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:39,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:36:39,681 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:36:39,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 21:36:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:39,865 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:36:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:41,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:36:41,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:02,807 WARN L293 SmtUtils]: Spent 7.82s on a formula simplification. DAG size of input: 46 DAG size of output: 11 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:38:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:38:03,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 21:39:27,470 WARN L293 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 27 DAG size of output: 26 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:39:59,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:40:01,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:40:14,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:40:15,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:15,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2023-12-02 21:40:15,114 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2023-12-02 21:40:15,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:40:15,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:15,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:15,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:15,117 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:15,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 21:40:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:15,877 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:40:26,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 21:40:26,009 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 21:40:26,012 INFO L158 Benchmark]: Toolchain (without parser) took 418263.22ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 32.3MB in the end (delta: 19.6MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-12-02 21:40:26,012 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:40:26,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.12ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 40.0MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:40:26,013 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.62ms. Allocated memory is still 75.5MB. Free memory was 40.0MB in the beginning and 38.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:40:26,014 INFO L158 Benchmark]: Boogie Preprocessor took 28.42ms. Allocated memory is still 75.5MB. Free memory was 38.4MB in the beginning and 37.0MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:40:26,015 INFO L158 Benchmark]: RCFGBuilder took 1285.09ms. Allocated memory is still 75.5MB. Free memory was 36.8MB in the beginning and 43.4MB in the end (delta: -6.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-12-02 21:40:26,015 INFO L158 Benchmark]: CodeCheck took 416660.80ms. Allocated memory is still 75.5MB. Free memory was 43.4MB in the beginning and 32.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-12-02 21:40:26,018 INFO L338 ainManager$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 0.19ms. Allocated memory is still 56.6MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.12ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 40.0MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.62ms. Allocated memory is still 75.5MB. Free memory was 40.0MB in the beginning and 38.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.42ms. Allocated memory is still 75.5MB. Free memory was 38.4MB in the beginning and 37.0MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1285.09ms. Allocated memory is still 75.5MB. Free memory was 36.8MB in the beginning and 43.4MB in the end (delta: -6.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * CodeCheck took 416660.80ms. Allocated memory is still 75.5MB. Free memory was 43.4MB in the beginning and 32.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:40:26,228 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 21:40:26,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05f1a2ed-8436-45f9-a5a3-7edbfb3052b1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown