./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-59.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 13f0d023cf70be0ab2bade1c9c2a45b94596f842e278edf3cfbd034e77d4c50c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:44:36,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:44:36,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:44:36,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:44:36,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:44:36,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:44:36,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:44:36,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:44:36,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:44:36,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:44:36,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:44:36,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:44:36,468 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:44:36,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:44:36,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:44:36,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:44:36,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:44:36,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:44:36,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:44:36,473 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:44:36,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:44:36,475 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:44:36,479 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:44:36,480 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:44:36,480 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:44:36,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:44:36,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:36,482 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:44:36,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:44:36,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:44:36,483 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:44:36,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:44:36,484 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:44:36,507 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_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13f0d023cf70be0ab2bade1c9c2a45b94596f842e278edf3cfbd034e77d4c50c [2023-11-19 02:44:36,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:44:36,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:44:36,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:44:36,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:44:36,828 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:44:36,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-59.i [2023-11-19 02:44:39,783 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:44:40,103 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:44:40,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-59.i [2023-11-19 02:44:40,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/data/c156e2522/50529f5b3c1543029060eaee09dd717d/FLAGbf455ec3d [2023-11-19 02:44:40,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/data/c156e2522/50529f5b3c1543029060eaee09dd717d [2023-11-19 02:44:40,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:44:40,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:44:40,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:40,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:44:40,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:44:40,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:40" (1/1) ... [2023-11-19 02:44:40,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c43e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:40, skipping insertion in model container [2023-11-19 02:44:40,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:40" (1/1) ... [2023-11-19 02:44:40,208 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:44:40,410 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_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-59.i[916,929] [2023-11-19 02:44:40,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:40,642 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:44:40,654 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_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-59.i[916,929] [2023-11-19 02:44:40,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:40,781 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:44:40,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:40 WrapperNode [2023-11-19 02:44:40,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:40,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:40,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:44:40,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:44:40,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:40" (1/1) ... [2023-11-19 02:44:40,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:40" (1/1) ... [2023-11-19 02:44:40,887 INFO L138 Inliner]: procedures = 26, calls = 72, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 455 [2023-11-19 02:44:40,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:40,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:44:40,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:44:40,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:44:40,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:40" (1/1) ... [2023-11-19 02:44:40,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:40" (1/1) ... [2023-11-19 02:44:40,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:40" (1/1) ... [2023-11-19 02:44:40,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:40" (1/1) ... [2023-11-19 02:44:40,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:40" (1/1) ... [2023-11-19 02:44:40,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:40" (1/1) ... [2023-11-19 02:44:40,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:40" (1/1) ... [2023-11-19 02:44:40,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:40" (1/1) ... [2023-11-19 02:44:40,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:44:40,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:44:40,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:44:40,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:44:40,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:40" (1/1) ... [2023-11-19 02:44:40,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:40,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:44:40,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:44:41,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:44:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:44:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:44:41,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:44:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:44:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:44:41,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:44:41,183 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:44:41,186 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:44:42,197 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:44:43,081 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:44:43,081 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:44:43,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:43 BoogieIcfgContainer [2023-11-19 02:44:43,090 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:44:43,092 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:44:43,092 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:44:43,102 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:44:43,103 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:43" (1/1) ... [2023-11-19 02:44:43,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:44:43,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:43,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 103 states and 162 transitions. [2023-11-19 02:44:43,189 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 162 transitions. [2023-11-19 02:44:43,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-19 02:44:43,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:43,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:44:53,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 0 conjunts are in the unsatisfiable core [2023-11-19 02:44:53,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:44:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3422 trivial. 0 not checked. [2023-11-19 02:45:03,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Real, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-19 02:45:03,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:03,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 160 transitions. [2023-11-19 02:45:03,934 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2023-11-19 02:45:03,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-19 02:45:03,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:03,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 02:45:14,407 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:45:14,411 INFO L158 Benchmark]: Toolchain (without parser) took 34271.74ms. Allocated memory was 123.7MB in the beginning and 199.2MB in the end (delta: 75.5MB). Free memory was 92.2MB in the beginning and 121.4MB in the end (delta: -29.2MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2023-11-19 02:45:14,411 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:45:14,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 642.19ms. Allocated memory is still 123.7MB. Free memory was 91.9MB in the beginning and 69.2MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 02:45:14,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.69ms. Allocated memory is still 123.7MB. Free memory was 69.2MB in the beginning and 61.2MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 02:45:14,413 INFO L158 Benchmark]: Boogie Preprocessor took 69.53ms. Allocated memory is still 123.7MB. Free memory was 61.2MB in the beginning and 57.2MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:45:14,414 INFO L158 Benchmark]: RCFGBuilder took 2132.70ms. Allocated memory was 123.7MB in the beginning and 199.2MB in the end (delta: 75.5MB). Free memory was 57.2MB in the beginning and 128.0MB in the end (delta: -70.7MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. [2023-11-19 02:45:14,415 INFO L158 Benchmark]: CodeCheck took 31317.54ms. Allocated memory is still 199.2MB. Free memory was 128.0MB in the beginning and 121.4MB in the end (delta: 6.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-11-19 02:45:14,418 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 0.20ms. Allocated memory is still 123.7MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 642.19ms. Allocated memory is still 123.7MB. Free memory was 91.9MB in the beginning and 69.2MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.69ms. Allocated memory is still 123.7MB. Free memory was 69.2MB in the beginning and 61.2MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.53ms. Allocated memory is still 123.7MB. Free memory was 61.2MB in the beginning and 57.2MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2132.70ms. Allocated memory was 123.7MB in the beginning and 199.2MB in the end (delta: 75.5MB). Free memory was 57.2MB in the beginning and 128.0MB in the end (delta: -70.7MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. * CodeCheck took 31317.54ms. Allocated memory is still 199.2MB. Free memory was 128.0MB in the beginning and 121.4MB in the end (delta: 6.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:45:14,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 13f0d023cf70be0ab2bade1c9c2a45b94596f842e278edf3cfbd034e77d4c50c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:45:16,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:45:16,984 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:45:17,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:45:17,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:45:17,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:45:17,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:45:17,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:45:17,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:45:17,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:45:17,056 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:45:17,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:45:17,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:45:17,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:45:17,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:45:17,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:45:17,060 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:45:17,061 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:45:17,061 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:45:17,062 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:45:17,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:45:17,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:45:17,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:45:17,064 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:45:17,065 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:45:17,065 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:45:17,066 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:45:17,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:45:17,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:17,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:45:17,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:45:17,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:45:17,069 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:45:17,069 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:45:17,070 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:45:17,070 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:45:17,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:45:17,070 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_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13f0d023cf70be0ab2bade1c9c2a45b94596f842e278edf3cfbd034e77d4c50c [2023-11-19 02:45:17,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:45:17,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:45:17,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:45:17,482 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:45:17,483 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:45:17,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-59.i [2023-11-19 02:45:20,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:21,181 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:21,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-59.i [2023-11-19 02:45:21,201 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/data/e7de84ae6/cd66b634faea42979e66710941f0c6f6/FLAGc45419d3b [2023-11-19 02:45:21,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/data/e7de84ae6/cd66b634faea42979e66710941f0c6f6 [2023-11-19 02:45:21,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:21,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:21,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:21,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:21,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:21,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:21" (1/1) ... [2023-11-19 02:45:21,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9bbabd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:21, skipping insertion in model container [2023-11-19 02:45:21,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:21" (1/1) ... [2023-11-19 02:45:21,297 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:21,496 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_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-59.i[916,929] [2023-11-19 02:45:21,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:21,729 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:21,752 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_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-59.i[916,929] [2023-11-19 02:45:21,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:21,960 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:21,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:21 WrapperNode [2023-11-19 02:45:21,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:21,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:21,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:21,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:21,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:21" (1/1) ... [2023-11-19 02:45:21,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:21" (1/1) ... [2023-11-19 02:45:22,029 INFO L138 Inliner]: procedures = 27, calls = 72, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 404 [2023-11-19 02:45:22,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:22,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:22,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:22,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:22,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:21" (1/1) ... [2023-11-19 02:45:22,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:21" (1/1) ... [2023-11-19 02:45:22,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:21" (1/1) ... [2023-11-19 02:45:22,049 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:21" (1/1) ... [2023-11-19 02:45:22,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:21" (1/1) ... [2023-11-19 02:45:22,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:21" (1/1) ... [2023-11-19 02:45:22,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:21" (1/1) ... [2023-11-19 02:45:22,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:21" (1/1) ... [2023-11-19 02:45:22,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:22,132 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:22,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:22,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:22,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:21" (1/1) ... [2023-11-19 02:45:22,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:22,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:22,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:22,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:45:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:45:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:45:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:22,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:22,351 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:22,354 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:26,705 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:27,298 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:27,299 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:45:27,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:27 BoogieIcfgContainer [2023-11-19 02:45:27,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:27,308 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:27,309 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:27,318 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:27,320 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:27" (1/1) ... [2023-11-19 02:45:27,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:27,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:27,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 103 states and 162 transitions. [2023-11-19 02:45:27,416 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 162 transitions. [2023-11-19 02:45:27,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-19 02:45:27,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:27,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:45:27,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:45:27,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:45:27,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f98fcc1-bb49-48cc-9ed8-00c007bbb640/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:45:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:34,779 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:45:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:39,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 02:45:39,141 INFO L285 TraceCheckSpWp]: Computing forward predicates...