./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm --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 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:16:03,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:16:03,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:16:03,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:16:03,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:16:03,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:16:03,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:16:03,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:16:03,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:16:03,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:16:03,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:16:03,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:16:03,688 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:16:03,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:16:03,688 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:16:03,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:16:03,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:16:03,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:16:03,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:16:03,691 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:16:03,691 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:16:03,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:16:03,691 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:16:03,691 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:16:03,691 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:16:03,691 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:16:03,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:16:03,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:16:03,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:16:03,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:16:03,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:16:03,692 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:16:03,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:16:03,692 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_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm 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 -> 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 [2024-11-13 23:16:03,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:16:03,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:16:03,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:16:03,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:16:03,982 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:16:03,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i Unable to find full path for "g++" [2024-11-13 23:16:05,782 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:16:06,147 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:16:06,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2024-11-13 23:16:06,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/data/829585c9f/46601bf314b34e39a4d3282bb7ee5803/FLAG68828c959 [2024-11-13 23:16:06,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/data/829585c9f/46601bf314b34e39a4d3282bb7ee5803 [2024-11-13 23:16:06,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:16:06,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:16:06,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:16:06,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:16:06,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:16:06,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:16:06" (1/1) ... [2024-11-13 23:16:06,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a14a6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:06, skipping insertion in model container [2024-11-13 23:16:06,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:16:06" (1/1) ... [2024-11-13 23:16:06,256 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:16:06,629 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_c341ab44-1b1b-4960-bff5-1b02052068b6/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2024-11-13 23:16:06,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:16:06,645 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:16:06,710 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_c341ab44-1b1b-4960-bff5-1b02052068b6/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2024-11-13 23:16:06,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:16:06,733 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:16:06,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:06 WrapperNode [2024-11-13 23:16:06,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:16:06,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:16:06,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:16:06,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:16:06,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:06" (1/1) ... [2024-11-13 23:16:06,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:06" (1/1) ... [2024-11-13 23:16:06,780 INFO L138 Inliner]: procedures = 123, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2024-11-13 23:16:06,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:16:06,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:16:06,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:16:06,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:16:06,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:06" (1/1) ... [2024-11-13 23:16:06,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:06" (1/1) ... [2024-11-13 23:16:06,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:06" (1/1) ... [2024-11-13 23:16:06,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:06" (1/1) ... [2024-11-13 23:16:06,804 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:06" (1/1) ... [2024-11-13 23:16:06,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:06" (1/1) ... [2024-11-13 23:16:06,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:06" (1/1) ... [2024-11-13 23:16:06,809 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:06" (1/1) ... [2024-11-13 23:16:06,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:16:06,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:16:06,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:16:06,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:16:06,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:06" (1/1) ... [2024-11-13 23:16:06,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:16:06,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:16:06,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:16:06,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:16:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:16:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:16:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:16:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:16:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 23:16:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 23:16:06,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:16:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:16:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:16:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:16:07,003 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:16:07,005 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:16:07,242 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 23:16:07,243 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:16:07,379 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:16:07,380 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 23:16:07,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:07 BoogieIcfgContainer [2024-11-13 23:16:07,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:16:07,382 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:16:07,382 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:16:07,390 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:16:07,390 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:07" (1/1) ... [2024-11-13 23:16:07,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:16:07,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:07,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2024-11-13 23:16:07,448 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2024-11-13 23:16:07,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:16:07,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:07,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:16:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:07,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:07,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:07,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-13 23:16:07,793 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-13 23:16:07,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:16:07,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:07,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:16:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:08,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:08,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-11-13 23:16:08,264 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-11-13 23:16:08,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:16:08,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:08,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:16:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:08,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:08,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-13 23:16:08,611 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-13 23:16:08,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:16:08,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:08,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:16:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:08,939 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:09,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-11-13 23:16:09,184 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-11-13 23:16:09,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:16:09,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:09,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:16:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:09,471 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:09,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:09,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-13 23:16:09,702 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-13 23:16:09,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:16:09,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:09,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:16:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:09,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:16:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:19,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:16:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:16:29,338 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:485) 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) [2024-11-13 23:16:29,343 INFO L158 Benchmark]: Toolchain (without parser) took 23148.08ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 91.2MB in the beginning and 133.4MB in the end (delta: -42.2MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-13 23:16:29,343 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:29,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.93ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 73.8MB in the end (delta: 17.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:16:29,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.21ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 71.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:29,344 INFO L158 Benchmark]: Boogie Preprocessor took 30.19ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 70.9MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:16:29,345 INFO L158 Benchmark]: RCFGBuilder took 568.73ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 51.2MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:16:29,345 INFO L158 Benchmark]: CodeCheck took 21959.74ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 51.2MB in the beginning and 133.4MB in the end (delta: -82.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:29,351 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.93ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 73.8MB in the end (delta: 17.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.21ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 71.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.19ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 70.9MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 568.73ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 51.2MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 21959.74ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 51.2MB in the beginning and 133.4MB in the end (delta: -82.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:16:29,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/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_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm --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 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:16:32,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:16:32,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 23:16:32,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:16:32,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:16:32,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:16:32,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:16:32,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:16:32,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:16:32,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:16:32,541 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:16:32,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:16:32,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:16:32,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:16:32,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:16:32,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:16:32,542 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:16:32,542 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:16:32,543 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:16:32,543 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:16:32,543 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:16:32,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:16:32,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:16:32,543 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:16:32,543 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:16:32,543 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:16:32,544 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:32,544 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:16:32,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:16:32,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:16:32,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:16:32,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:16:32,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:16:32,545 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:16:32,545 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:32,545 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:16:32,545 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_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm 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 -> 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 [2024-11-13 23:16:32,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:16:32,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:16:32,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:16:32,946 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:16:32,947 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:16:32,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i Unable to find full path for "g++" [2024-11-13 23:16:35,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:16:35,368 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:16:35,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2024-11-13 23:16:35,384 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/data/418d3ed34/79a2364891f044028ecbef8e26d56247/FLAG111b503b7 [2024-11-13 23:16:35,626 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/data/418d3ed34/79a2364891f044028ecbef8e26d56247 [2024-11-13 23:16:35,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:16:35,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:16:35,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:16:35,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:16:35,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:16:35,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:16:35" (1/1) ... [2024-11-13 23:16:35,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4171a694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:35, skipping insertion in model container [2024-11-13 23:16:35,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:16:35" (1/1) ... [2024-11-13 23:16:35,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:16:36,145 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_c341ab44-1b1b-4960-bff5-1b02052068b6/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2024-11-13 23:16:36,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:16:36,175 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:16:36,265 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_c341ab44-1b1b-4960-bff5-1b02052068b6/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2024-11-13 23:16:36,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:16:36,313 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:16:36,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:36 WrapperNode [2024-11-13 23:16:36,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:16:36,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:16:36,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:16:36,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:16:36,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:36" (1/1) ... [2024-11-13 23:16:36,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:36" (1/1) ... [2024-11-13 23:16:36,376 INFO L138 Inliner]: procedures = 126, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2024-11-13 23:16:36,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:16:36,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:16:36,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:16:36,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:16:36,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:36" (1/1) ... [2024-11-13 23:16:36,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:36" (1/1) ... [2024-11-13 23:16:36,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:36" (1/1) ... [2024-11-13 23:16:36,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:36" (1/1) ... [2024-11-13 23:16:36,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:36" (1/1) ... [2024-11-13 23:16:36,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:36" (1/1) ... [2024-11-13 23:16:36,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:36" (1/1) ... [2024-11-13 23:16:36,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:36" (1/1) ... [2024-11-13 23:16:36,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:16:36,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:16:36,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:16:36,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:16:36,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:36" (1/1) ... [2024-11-13 23:16:36,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:16:36,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:16:36,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:16:36,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:16:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 23:16:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 23:16:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:16:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 23:16:36,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 23:16:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:16:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 23:16:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:16:36,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:16:36,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:16:36,633 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:16:36,635 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:16:37,421 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 23:16:37,422 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:16:37,567 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:16:37,567 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 23:16:37,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:37 BoogieIcfgContainer [2024-11-13 23:16:37,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:16:37,569 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:16:37,569 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:16:37,582 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:16:37,582 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:37" (1/1) ... [2024-11-13 23:16:37,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:16:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:37,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2024-11-13 23:16:37,647 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2024-11-13 23:16:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:16:37,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:37,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:37,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:37,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:37,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:16:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:37,836 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:37,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 23:16:37,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:37,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:37,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:16:39,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:16:40,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:16:40,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:40,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-13 23:16:40,321 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-13 23:16:40,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:16:40,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:40,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:40,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:40,326 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:40,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:16:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:40,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:40,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:16:40,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:40,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:40,602 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 23:16:40,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:41,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:16:43,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:16:44,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:16:46,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:16:46,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:46,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-11-13 23:16:46,090 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-11-13 23:16:46,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:16:46,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:46,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:46,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:46,095 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:46,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:16:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:46,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:46,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:16:46,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:46,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:46,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 23:16:49,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:16:49,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-13 23:16:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-13 23:16:49,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:16:49,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:49,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:49,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:49,863 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:49,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:16:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:50,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:50,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:16:50,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:50,346 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:50,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:52,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:16:53,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:16:55,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:16:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:55,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-11-13 23:16:55,800 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-11-13 23:16:55,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:16:55,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:55,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:55,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:55,805 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:55,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 23:16:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:56,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:56,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:16:56,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:56,370 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:56,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:59,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:17:01,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:17:01,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:01,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-13 23:17:01,769 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-13 23:17:01,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:17:01,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:01,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:01,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:01,772 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:01,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 23:17:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:17:03,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:17:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:17:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:17:15,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 23:17:15,256 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:485) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 23:17:15,261 INFO L158 Benchmark]: Toolchain (without parser) took 39630.30ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 48.7MB in the end (delta: 43.6MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2024-11-13 23:17:15,262 INFO L158 Benchmark]: CDTParser took 4.39ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:17:15,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.84ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 73.6MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:17:15,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.02ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 71.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:17:15,263 INFO L158 Benchmark]: Boogie Preprocessor took 39.73ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 70.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:17:15,264 INFO L158 Benchmark]: RCFGBuilder took 1150.36ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 46.9MB in the end (delta: 23.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:17:15,264 INFO L158 Benchmark]: CodeCheck took 37691.08ms. Allocated memory is still 117.4MB. Free memory was 46.5MB in the beginning and 48.7MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:17:15,266 INFO L338 ainManager$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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.39ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.84ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 73.6MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.02ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 71.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.73ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 70.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1150.36ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 46.9MB in the end (delta: 23.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 37691.08ms. Allocated memory is still 117.4MB. Free memory was 46.5MB in the beginning and 48.7MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:17:15,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c341ab44-1b1b-4960-bff5-1b02052068b6/bin/ukojak-verify-EEHR8qb7sm/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown