./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b --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 64bit --witnessprinter.graph.data.programhash afe726ff4bfcb006fa1921d1acd83593e17d3b3df66156bb7f2c9bf761f68906 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:51:12,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:51:12,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:51:12,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:51:12,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:51:12,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:51:12,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:51:12,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:51:12,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:51:12,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:51:12,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:51:12,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:51:12,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:51:12,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:51:12,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:51:12,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:51:12,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:51:12,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:51:12,815 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:51:12,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:51:12,815 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:51:12,815 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:51:12,815 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:51:12,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:51:12,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:51:12,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:51:12,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:51:12,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:51:12,816 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:51:12,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:51:12,816 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_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afe726ff4bfcb006fa1921d1acd83593e17d3b3df66156bb7f2c9bf761f68906 [2024-12-06 03:51:13,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:51:13,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:51:13,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:51:13,023 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:51:13,023 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:51:13,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c [2024-12-06 03:51:15,632 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/data/65b15b101/8a294e27413c435e9f395422d1093d31/FLAG9ac2988a8 [2024-12-06 03:51:15,953 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:51:15,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c [2024-12-06 03:51:15,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/data/65b15b101/8a294e27413c435e9f395422d1093d31/FLAG9ac2988a8 [2024-12-06 03:51:16,234 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/data/65b15b101/8a294e27413c435e9f395422d1093d31 [2024-12-06 03:51:16,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:51:16,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:51:16,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:51:16,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:51:16,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:51:16,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:51:16" (1/1) ... [2024-12-06 03:51:16,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4649ef64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:16, skipping insertion in model container [2024-12-06 03:51:16,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:51:16" (1/1) ... [2024-12-06 03:51:16,303 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:51:16,468 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_d84929d0-76d0-4fda-9aab-4613a81504d3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c[1174,1187] [2024-12-06 03:51:16,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:51:16,851 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:51:16,858 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_d84929d0-76d0-4fda-9aab-4613a81504d3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c[1174,1187] [2024-12-06 03:51:17,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:51:17,026 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:51:17,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:17 WrapperNode [2024-12-06 03:51:17,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:51:17,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:51:17,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:51:17,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:51:17,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:17" (1/1) ... [2024-12-06 03:51:17,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:17" (1/1) ... [2024-12-06 03:51:17,772 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10392 [2024-12-06 03:51:17,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:51:17,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:51:17,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:51:17,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:51:17,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:17" (1/1) ... [2024-12-06 03:51:17,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:17" (1/1) ... [2024-12-06 03:51:17,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:17" (1/1) ... [2024-12-06 03:51:17,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:17" (1/1) ... [2024-12-06 03:51:18,325 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:17" (1/1) ... [2024-12-06 03:51:18,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:17" (1/1) ... [2024-12-06 03:51:18,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:17" (1/1) ... [2024-12-06 03:51:18,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:17" (1/1) ... [2024-12-06 03:51:18,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:17" (1/1) ... [2024-12-06 03:51:18,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:51:18,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:51:18,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:51:18,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:51:18,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:51:17" (1/1) ... [2024-12-06 03:51:18,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:51:18,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:51:18,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:51:18,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:51:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:51:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:51:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:51:18,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:51:19,241 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:51:19,243 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:51:31,193 INFO L? ?]: Removed 5597 outVars from TransFormulas that were not future-live. [2024-12-06 03:51:31,193 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:51:45,444 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:51:45,444 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:51:45,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:51:45 BoogieIcfgContainer [2024-12-06 03:51:45,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:51:45,445 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:51:45,445 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:51:45,452 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:51:45,452 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:51:45" (1/1) ... [2024-12-06 03:51:45,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:51:45,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:51:45,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:51:45,505 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:51:45,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:51:45,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:51:45,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:51:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:51:47,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:51:57,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:52:07,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:52:08,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:52:08,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 03:52:08,250 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 03:52:08,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:52:08,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:52:08,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:55:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:55:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:55:26,240 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) [2024-12-06 03:55:26,244 INFO L158 Benchmark]: Toolchain (without parser) took 250006.71ms. Allocated memory was 117.4MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 88.3MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-12-06 03:55:26,244 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:55:26,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 788.68ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 88.2MB in the beginning and 227.7MB in the end (delta: -139.5MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. [2024-12-06 03:55:26,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 745.03ms. Allocated memory was 302.0MB in the beginning and 704.6MB in the end (delta: 402.7MB). Free memory was 227.7MB in the beginning and 495.4MB in the end (delta: -267.6MB). Peak memory consumption was 221.7MB. Max. memory is 16.1GB. [2024-12-06 03:55:26,245 INFO L158 Benchmark]: Boogie Preprocessor took 914.39ms. Allocated memory is still 704.6MB. Free memory was 495.4MB in the beginning and 434.1MB in the end (delta: 61.3MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2024-12-06 03:55:26,246 INFO L158 Benchmark]: RCFGBuilder took 26756.23ms. Allocated memory was 704.6MB in the beginning and 3.5GB in the end (delta: 2.8GB). Free memory was 434.1MB in the beginning and 2.3GB in the end (delta: -1.8GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-12-06 03:55:26,246 INFO L158 Benchmark]: CodeCheck took 220797.86ms. Allocated memory is still 3.5GB. Free memory was 2.3GB in the beginning and 1.9GB in the end (delta: 370.2MB). Peak memory consumption was 378.4MB. Max. memory is 16.1GB. [2024-12-06 03:55:26,248 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 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 788.68ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 88.2MB in the beginning and 227.7MB in the end (delta: -139.5MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 745.03ms. Allocated memory was 302.0MB in the beginning and 704.6MB in the end (delta: 402.7MB). Free memory was 227.7MB in the beginning and 495.4MB in the end (delta: -267.6MB). Peak memory consumption was 221.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 914.39ms. Allocated memory is still 704.6MB. Free memory was 495.4MB in the beginning and 434.1MB in the end (delta: 61.3MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. * RCFGBuilder took 26756.23ms. Allocated memory was 704.6MB in the beginning and 3.5GB in the end (delta: 2.8GB). Free memory was 434.1MB in the beginning and 2.3GB in the end (delta: -1.8GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * CodeCheck took 220797.86ms. Allocated memory is still 3.5GB. Free memory was 2.3GB in the beginning and 1.9GB in the end (delta: 370.2MB). Peak memory consumption was 378.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:55:26,454 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 03:55:26,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b --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 64bit --witnessprinter.graph.data.programhash afe726ff4bfcb006fa1921d1acd83593e17d3b3df66156bb7f2c9bf761f68906 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:55:28,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:55:28,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:55:28,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:55:28,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:55:28,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:55:28,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:55:28,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:55:28,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:55:28,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:55:28,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:55:28,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:55:28,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:55:28,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:55:28,467 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:55:28,467 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:55:28,468 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:55:28,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:55:28,468 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:55:28,468 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:55:28,468 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:55:28,468 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:55:28,468 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:55:28,468 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:28,468 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:55:28,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:55:28,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:55:28,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:55:28,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:55:28,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:55:28,469 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:55:28,469 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:28,469 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:55:28,469 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_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afe726ff4bfcb006fa1921d1acd83593e17d3b3df66156bb7f2c9bf761f68906 [2024-12-06 03:55:28,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:55:28,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:55:28,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:55:28,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:55:28,726 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:55:28,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c [2024-12-06 03:55:31,380 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/data/c8a5c76e6/2d68f0fafeb74f8896a6ce82f5c41c89/FLAG5b036e330 [2024-12-06 03:55:31,683 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:55:31,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c [2024-12-06 03:55:31,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/data/c8a5c76e6/2d68f0fafeb74f8896a6ce82f5c41c89/FLAG5b036e330 [2024-12-06 03:55:31,933 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/data/c8a5c76e6/2d68f0fafeb74f8896a6ce82f5c41c89 [2024-12-06 03:55:31,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:55:31,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:55:31,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:55:31,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:55:31,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:55:31,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:55:31" (1/1) ... [2024-12-06 03:55:31,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38491ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:31, skipping insertion in model container [2024-12-06 03:55:31,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:55:31" (1/1) ... [2024-12-06 03:55:31,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:55:32,158 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_d84929d0-76d0-4fda-9aab-4613a81504d3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c[1174,1187] [2024-12-06 03:55:32,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:55:32,457 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:55:32,467 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_d84929d0-76d0-4fda-9aab-4613a81504d3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop3-func-interl.c[1174,1187] [2024-12-06 03:55:32,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:55:32,631 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:55:32,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:32 WrapperNode [2024-12-06 03:55:32,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:55:32,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:55:32,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:55:32,632 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:55:32,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:32" (1/1) ... [2024-12-06 03:55:32,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:32" (1/1) ... [2024-12-06 03:55:32,773 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2784 [2024-12-06 03:55:32,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:55:32,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:55:32,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:55:32,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:55:32,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:32" (1/1) ... [2024-12-06 03:55:32,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:32" (1/1) ... [2024-12-06 03:55:32,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:32" (1/1) ... [2024-12-06 03:55:32,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:32" (1/1) ... [2024-12-06 03:55:32,875 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:32" (1/1) ... [2024-12-06 03:55:32,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:32" (1/1) ... [2024-12-06 03:55:32,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:32" (1/1) ... [2024-12-06 03:55:32,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:32" (1/1) ... [2024-12-06 03:55:32,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:32" (1/1) ... [2024-12-06 03:55:32,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:55:32,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:55:32,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:55:32,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:55:32,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:55:32" (1/1) ... [2024-12-06 03:55:32,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:55:32,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:55:32,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:55:32,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:55:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:55:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:55:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:55:33,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:55:33,426 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:55:33,428 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:55:38,666 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-12-06 03:55:38,666 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:55:38,761 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:55:38,762 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:55:38,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:55:38 BoogieIcfgContainer [2024-12-06 03:55:38,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:55:38,763 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:55:38,763 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:55:38,772 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:55:38,773 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:55:38" (1/1) ... [2024-12-06 03:55:38,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:55:38,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:38,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:55:38,824 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:55:38,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:55:38,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:38,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:38,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:38,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:38,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:55:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:39,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:39,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 03:55:39,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:55:39,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:55:39,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:55:41,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 03:55:42,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:55:42,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 03:55:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 03:55:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:55:42,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:55:42,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:55:42,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:55:42,163 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:55:42,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d84929d0-76d0-4fda-9aab-4613a81504d3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:55:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:44,071 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:55:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:55:44,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 03:55:44,542 INFO L279 TraceCheckSpWp]: Computing forward predicates...