./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3 --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 14263a7f5b9de37c93df4817d1a8be828f9a9f73581f135551b120fdb5e36320 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:07:01,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:07:01,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:07:01,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:07:01,445 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:07:01,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:07:01,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:07:01,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:07:01,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:07:01,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:07:01,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:07:01,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:07:01,481 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:07:01,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:07:01,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:07:01,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:07:01,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:07:01,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:07:01,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:07:01,484 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:07:01,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:07:01,484 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:07:01,484 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:07:01,485 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:07:01,485 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:07:01,485 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:07:01,485 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:07:01,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:07:01,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:07:01,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:07:01,486 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:07:01,486 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:07:01,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:07:01,486 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3 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 -> 14263a7f5b9de37c93df4817d1a8be828f9a9f73581f135551b120fdb5e36320 [2024-11-25 03:07:01,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:07:01,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:07:01,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:07:01,818 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:07:01,818 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:07:01,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.i [2024-11-25 03:07:04,897 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/data/68e077924/cd8618cdb3d5441694b9f70b5b1c8f55/FLAGdb2c47a90 [2024-11-25 03:07:05,168 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:07:05,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.i [2024-11-25 03:07:05,177 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/data/68e077924/cd8618cdb3d5441694b9f70b5b1c8f55/FLAGdb2c47a90 [2024-11-25 03:07:05,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/data/68e077924/cd8618cdb3d5441694b9f70b5b1c8f55 [2024-11-25 03:07:05,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:07:05,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:07:05,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:07:05,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:07:05,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:07:05,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:07:05" (1/1) ... [2024-11-25 03:07:05,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c117c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:05, skipping insertion in model container [2024-11-25 03:07:05,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:07:05" (1/1) ... [2024-11-25 03:07:05,231 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:07:05,383 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.i[915,928] [2024-11-25 03:07:05,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:07:05,435 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:07:05,445 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.i[915,928] [2024-11-25 03:07:05,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:07:05,489 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:07:05,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:05 WrapperNode [2024-11-25 03:07:05,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:07:05,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:07:05,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:07:05,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:07:05,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:05" (1/1) ... [2024-11-25 03:07:05,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:05" (1/1) ... [2024-11-25 03:07:05,567 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2024-11-25 03:07:05,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:07:05,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:07:05,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:07:05,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:07:05,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:05" (1/1) ... [2024-11-25 03:07:05,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:05" (1/1) ... [2024-11-25 03:07:05,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:05" (1/1) ... [2024-11-25 03:07:05,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:05" (1/1) ... [2024-11-25 03:07:05,596 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:05" (1/1) ... [2024-11-25 03:07:05,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:05" (1/1) ... [2024-11-25 03:07:05,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:05" (1/1) ... [2024-11-25 03:07:05,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:05" (1/1) ... [2024-11-25 03:07:05,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:05" (1/1) ... [2024-11-25 03:07:05,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:07:05,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:07:05,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:07:05,636 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:07:05,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:05" (1/1) ... [2024-11-25 03:07:05,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:07:05,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:07:05,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:07:05,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:07:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:07:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:07:05,745 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:07:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:07:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:07:05,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:07:05,831 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:07:05,833 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:07:06,143 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-25 03:07:06,143 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:07:06,294 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:07:06,295 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:07:06,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:07:06 BoogieIcfgContainer [2024-11-25 03:07:06,295 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:07:06,296 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:07:06,296 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:07:06,310 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:07:06,311 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:07:06" (1/1) ... [2024-11-25 03:07:06,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:07:06,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:07:06,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-11-25 03:07:06,385 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-25 03:07:06,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 03:07:06,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:07:06,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:07:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:07:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:07:06,799 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:07:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:07:06,905 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:07:06,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:07:06 ImpRootNode [2024-11-25 03:07:06,970 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:07:06,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:07:06,971 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:07:06,971 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:07:06,972 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:07:06" (3/4) ... [2024-11-25 03:07:06,975 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:07:06,976 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:07:06,977 INFO L158 Benchmark]: Toolchain (without parser) took 1776.92ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 55.0MB in the end (delta: 62.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 03:07:06,978 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:07:06,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.08ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 104.8MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:07:06,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.66ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:07:06,979 INFO L158 Benchmark]: Boogie Preprocessor took 66.48ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:07:06,980 INFO L158 Benchmark]: RCFGBuilder took 659.91ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 79.0MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:07:06,980 INFO L158 Benchmark]: CodeCheck took 674.33ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 55.4MB in the end (delta: 23.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:07:06,981 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 142.6MB. Free memory was 55.2MB in the beginning and 55.0MB in the end (delta: 178.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:07:06,983 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 2 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 19]: 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 76, overapproximation of someBinaryFLOATComparisonOperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 64; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_5 = 8; [L25] signed short int var_1_6 = -32; [L26] unsigned char var_1_7 = 100; [L27] signed long int var_1_8 = 32; [L28] float var_1_10 = 255.3; [L29] float var_1_13 = 2.8; [L30] signed long int last_1_var_1_8 = 32; [L86] isInitial = 1 [L87] FCALL initially() [L89] CALL updateLastVariables() [L79] last_1_var_1_8 = var_1_8 [L89] RET updateLastVariables() [L90] CALL updateVariables() [L61] var_1_2 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L63] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L64] var_1_5 = __VERIFIER_nondet_short() [L65] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=-32, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=-32, var_1_7=100, var_1_8=32] [L66] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=-32, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=-32, var_1_7=100, var_1_8=32] [L67] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=-32, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=-32, var_1_7=100, var_1_8=32] [L68] var_1_6 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_6 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=1, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_6 >= -32768) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=1, var_1_7=100, var_1_8=32] [L70] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=1, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=1, var_1_7=100, var_1_8=32] [L71] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=1, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=1, var_1_7=100, var_1_8=32] [L72] var_1_7 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=1, var_1_8=32] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=1, var_1_8=32] [L74] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=1, var_1_7=0, var_1_8=32] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=1, var_1_7=0, var_1_8=32] [L75] var_1_13 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=1, var_1_7=0, var_1_8=32] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_1=64, var_1_2=0, var_1_5=-1, var_1_6=1, var_1_7=0, var_1_8=32] [L90] RET updateVariables() [L91] CALL step() [L34] signed long int stepLocal_0 = (last_1_var_1_8 / var_1_5) % var_1_6; [L35] COND FALSE !(\read(var_1_2)) [L40] var_1_1 = var_1_7 [L42] unsigned char stepLocal_1 = var_1_1; [L43] COND FALSE !(stepLocal_1 < var_1_5) [L46] var_1_8 = var_1_7 [L48] COND TRUE ((var_1_6 * var_1_8) * var_1_7) <= (var_1_8 - var_1_1) [L49] COND TRUE var_1_5 <= (var_1_8 + var_1_8) [L50] var_1_10 = var_1_13 [L91] RET step() [L92] CALL, EXPR property() [L82-L83] return ((var_1_2 ? ((last_1_var_1_8 > ((last_1_var_1_8 / var_1_5) % var_1_6)) ? (var_1_1 == ((unsigned char) var_1_7)) : 1) : (var_1_1 == ((unsigned char) var_1_7))) && ((var_1_1 < var_1_5) ? (var_1_8 == ((signed long int) (var_1_1 - ((((var_1_7) < (var_1_1)) ? (var_1_7) : (var_1_1)))))) : (var_1_8 == ((signed long int) var_1_7)))) && ((((var_1_6 * var_1_8) * var_1_7) <= (var_1_8 - var_1_1)) ? ((var_1_5 <= (var_1_8 + var_1_8)) ? (var_1_10 == ((float) var_1_13)) : 1) : ((var_1_1 >= var_1_1) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_13)))) ; [L92] RET, EXPR property() [L92] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2, var_1_13=2, var_1_1=0, var_1_2=0, var_1_5=-1, var_1_6=1, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2, var_1_13=2, var_1_1=0, var_1_2=0, var_1_5=-1, var_1_6=1, var_1_7=0, var_1_8=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.08ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 104.8MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.66ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.48ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 659.91ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 79.0MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 674.33ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 55.4MB in the end (delta: 23.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 142.6MB. Free memory was 55.2MB in the beginning and 55.0MB in the end (delta: 178.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:07:07,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3 --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 14263a7f5b9de37c93df4817d1a8be828f9a9f73581f135551b120fdb5e36320 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:07:09,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:07:09,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:07:09,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:07:09,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:07:09,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:07:09,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:07:09,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:07:09,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:07:09,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:07:09,981 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:07:09,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:07:09,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:07:09,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:07:09,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:07:09,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:07:09,983 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:07:09,983 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:07:09,983 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:07:09,983 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:07:09,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:07:09,983 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:07:09,983 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:07:09,983 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:07:09,983 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:07:09,983 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:07:09,983 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:07:09,983 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:07:09,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:07:09,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:07:09,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:07:09,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:07:09,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:07:09,986 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:07:09,986 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:07:09,986 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:07:09,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3 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 -> 14263a7f5b9de37c93df4817d1a8be828f9a9f73581f135551b120fdb5e36320 [2024-11-25 03:07:10,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:07:10,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:07:10,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:07:10,344 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:07:10,344 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:07:10,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.i [2024-11-25 03:07:13,538 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/data/ba63fe8b4/71de9b9abd8a44edb72dcb4939303242/FLAG0e37b8c13 [2024-11-25 03:07:13,796 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:07:13,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.i [2024-11-25 03:07:13,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/data/ba63fe8b4/71de9b9abd8a44edb72dcb4939303242/FLAG0e37b8c13 [2024-11-25 03:07:13,831 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/data/ba63fe8b4/71de9b9abd8a44edb72dcb4939303242 [2024-11-25 03:07:13,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:07:13,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:07:13,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:07:13,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:07:13,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:07:13,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:07:13" (1/1) ... [2024-11-25 03:07:13,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b25c13f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:13, skipping insertion in model container [2024-11-25 03:07:13,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:07:13" (1/1) ... [2024-11-25 03:07:13,868 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:07:14,053 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.i[915,928] [2024-11-25 03:07:14,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:07:14,135 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:07:14,147 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-30.i[915,928] [2024-11-25 03:07:14,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:07:14,186 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:07:14,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:14 WrapperNode [2024-11-25 03:07:14,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:07:14,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:07:14,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:07:14,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:07:14,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:14" (1/1) ... [2024-11-25 03:07:14,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:14" (1/1) ... [2024-11-25 03:07:14,227 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84 [2024-11-25 03:07:14,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:07:14,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:07:14,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:07:14,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:07:14,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:14" (1/1) ... [2024-11-25 03:07:14,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:14" (1/1) ... [2024-11-25 03:07:14,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:14" (1/1) ... [2024-11-25 03:07:14,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:14" (1/1) ... [2024-11-25 03:07:14,248 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:14" (1/1) ... [2024-11-25 03:07:14,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:14" (1/1) ... [2024-11-25 03:07:14,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:14" (1/1) ... [2024-11-25 03:07:14,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:14" (1/1) ... [2024-11-25 03:07:14,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:14" (1/1) ... [2024-11-25 03:07:14,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:07:14,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:07:14,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:07:14,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:07:14,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:14" (1/1) ... [2024-11-25 03:07:14,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:07:14,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:07:14,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:07:14,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:07:14,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:07:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:07:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:07:14,334 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:07:14,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:07:14,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:07:14,422 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:07:14,424 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:07:14,915 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-25 03:07:14,916 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:07:15,054 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:07:15,055 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:07:15,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:07:15 BoogieIcfgContainer [2024-11-25 03:07:15,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:07:15,056 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:07:15,056 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:07:15,069 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:07:15,069 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:07:15" (1/1) ... [2024-11-25 03:07:15,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:07:15,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:07:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-11-25 03:07:15,153 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-25 03:07:15,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 03:07:15,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:07:15,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:07:15,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:07:15,162 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:07:15,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:07:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:07:15,869 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:07:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:07:15,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:07:15,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-25 03:08:17,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:08:18,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:18,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 67 transitions. [2024-11-25 03:08:18,250 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-25 03:08:18,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:08:18,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:18,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:18,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:18,255 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:18,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:08:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:19,094 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:19,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:08:19,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:14,149 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 22 proven. 20 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-25 03:09:14,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:09:14,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:14,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 67 transitions. [2024-11-25 03:09:14,279 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-25 03:09:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:09:14,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:14,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:14,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:14,284 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:14,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:09:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:15,080 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:15,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:09:15,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 22 proven. 20 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-25 03:10:08,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 03:10:08,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:08,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 67 transitions. [2024-11-25 03:10:08,840 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-25 03:10:08,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:10:08,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:08,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:08,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:08,846 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:08,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:10:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:09,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:09,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:10:09,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:03,771 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 22 proven. 20 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-25 03:11:03,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 03:11:03,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:03,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 67 transitions. [2024-11-25 03:11:03,791 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-25 03:11:03,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:11:03,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:03,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:03,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:03,797 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:03,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:11:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:04,772 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:11:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:04,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:11:04,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:12:07,659 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 22 proven. 20 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-25 03:12:07,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 03:12:07,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:07,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 67 transitions. [2024-11-25 03:12:07,677 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-25 03:12:07,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:12:07,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:07,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:12:07,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:12:07,681 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:12:07,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:12:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:08,545 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:12:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:08,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:12:08,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:13:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 22 proven. 20 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-25 03:13:08,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-25 03:13:08,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:08,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 67 transitions. [2024-11-25 03:13:08,851 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-25 03:13:08,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:13:08,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:08,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:13:08,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:13:08,857 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:13:08,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:13:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:09,981 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:13:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:10,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:13:10,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:14:10,366 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 22 proven. 20 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-25 03:14:10,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 03:14:10,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:14:10,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 67 transitions. [2024-11-25 03:14:10,384 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-25 03:14:10,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:14:10,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:14:10,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:14:10,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:14:10,388 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:14:10,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 03:14:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:11,328 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:14:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:11,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:14:11,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:15:12,703 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 22 proven. 20 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-25 03:15:12,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 03:15:12,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:15:12,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 67 transitions. [2024-11-25 03:15:12,720 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-25 03:15:12,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:15:12,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:15:12,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:15:12,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:15:12,726 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:15:12,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 03:15:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:15:13,684 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:15:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:15:13,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:15:13,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:16:13,034 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 22 proven. 20 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-25 03:16:13,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 03:16:13,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:13,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 67 transitions. [2024-11-25 03:16:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-25 03:16:13,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:16:13,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:13,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:16:13,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:16:13,058 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:16:13,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 03:16:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:13,957 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:16:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:14,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:16:14,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:17:09,333 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 22 proven. 20 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-25 03:17:09,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 03:17:09,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:17:09,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 67 transitions. [2024-11-25 03:17:09,346 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-25 03:17:09,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:17:09,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:17:09,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:17:09,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:17:09,352 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:17:09,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 03:17:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:17:10,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:17:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:17:10,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:17:10,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:18:06,969 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 22 proven. 20 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-25 03:18:06,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 03:18:06,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:18:06,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 67 transitions. [2024-11-25 03:18:06,987 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-25 03:18:06,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:18:06,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:18:06,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:18:06,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:18:06,994 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:18:06,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 03:18:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:07,801 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:18:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:18:07,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:18:07,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:19:01,536 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 22 proven. 20 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-25 03:19:01,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 03:19:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:01,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 67 transitions. [2024-11-25 03:19:01,549 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-25 03:19:01,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:19:01,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:01,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:19:01,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:19:01,556 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:19:01,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 03:19:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:02,353 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:19:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:02,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:19:02,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:19:56,628 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 22 proven. 20 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-25 03:19:56,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 03:19:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:56,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 67 transitions. [2024-11-25 03:19:56,641 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-25 03:19:56,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:19:56,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:56,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:19:56,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:19:56,647 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:19:56,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 03:19:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:57,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:19:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:57,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:19:57,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:58,762 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 22 proven. 20 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-25 03:20:58,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-25 03:20:58,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:58,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 67 transitions. [2024-11-25 03:20:58,777 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-25 03:20:58,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:20:58,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:58,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:20:58,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:20:58,780 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:20:58,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 03:20:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:59,580 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:20:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:59,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:20:59,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:22:00,060 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 22 proven. 20 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2024-11-25 03:22:00,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-25 03:22:00,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:22:00,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 67 transitions. [2024-11-25 03:22:00,073 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2024-11-25 03:22:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 03:22:00,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:22:00,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:22:00,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:22:00,076 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:22:00,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87a48a59-33d3-4c27-8e08-57ee27aee144/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 03:22:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:00,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:22:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:22:01,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:22:01,372 INFO L279 TraceCheckSpWp]: Computing forward predicates...