./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/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_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/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 64bit --witnessprinter.graph.data.programhash 875156c3731c0a5bf4c4c8e31515b41d84546cbf12ddfa7ae901dd39a126b063 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:57:51,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:57:51,751 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:57:51,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:57:51,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:57:51,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:57:51,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:57:51,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:57:51,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:57:51,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:57:51,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:57:51,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:57:51,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:57:51,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:57:51,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:57:51,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:57:51,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:57:51,790 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:57:51,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:57:51,790 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:57:51,790 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:57:51,790 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:57:51,790 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:57:51,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:57:51,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:57:51,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:57:51,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:57:51,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:57:51,791 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:57:51,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:57:51,791 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_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 875156c3731c0a5bf4c4c8e31515b41d84546cbf12ddfa7ae901dd39a126b063 [2024-11-13 21:57:52,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:57:52,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:57:52,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:57:52,103 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:57:52,104 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:57:52,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:57:53,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:57:54,286 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:57:54,287 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c [2024-11-13 21:57:54,312 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/data/02356629f/f73f5edd222540ab87a285461d0f649d/FLAGccdfff1be [2024-11-13 21:57:54,337 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/data/02356629f/f73f5edd222540ab87a285461d0f649d [2024-11-13 21:57:54,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:57:54,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:57:54,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:57:54,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:57:54,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:57:54,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:54" (1/1) ... [2024-11-13 21:57:54,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b456ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:54, skipping insertion in model container [2024-11-13 21:57:54,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:57:54" (1/1) ... [2024-11-13 21:57:54,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:57:54,578 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_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c[1172,1185] [2024-11-13 21:57:54,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:57:54,915 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:57:54,926 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_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c[1172,1185] [2024-11-13 21:57:55,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:57:55,075 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:57:55,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:55 WrapperNode [2024-11-13 21:57:55,076 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:57:55,077 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:57:55,077 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:57:55,077 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:57:55,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:55" (1/1) ... [2024-11-13 21:57:55,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:55" (1/1) ... [2024-11-13 21:57:55,431 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2807 [2024-11-13 21:57:55,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:57:55,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:57:55,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:57:55,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:57:55,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:55" (1/1) ... [2024-11-13 21:57:55,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:55" (1/1) ... [2024-11-13 21:57:55,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:55" (1/1) ... [2024-11-13 21:57:55,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:55" (1/1) ... [2024-11-13 21:57:55,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:55" (1/1) ... [2024-11-13 21:57:55,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:55" (1/1) ... [2024-11-13 21:57:55,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:55" (1/1) ... [2024-11-13 21:57:55,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:55" (1/1) ... [2024-11-13 21:57:55,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:57:55,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:57:55,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:57:55,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:57:55,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:57:55" (1/1) ... [2024-11-13 21:57:55,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:57:55,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:57:55,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:57:55,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:57:55,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:57:55,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:57:55,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:57:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:57:56,314 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:57:56,316 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:58:00,132 INFO L? ?]: Removed 1697 outVars from TransFormulas that were not future-live. [2024-11-13 21:58:00,132 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:58:05,325 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:58:05,326 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:58:05,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:05 BoogieIcfgContainer [2024-11-13 21:58:05,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:58:05,327 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:58:05,328 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:58:05,337 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:58:05,337 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:05" (1/1) ... [2024-11-13 21:58:05,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:58:05,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:05,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:58:05,406 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:58:05,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:58:05,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:05,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:07,305 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 21:58:17,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:58:27,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:58:29,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:29,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:58:29,630 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:58:29,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:58:29,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:29,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:59:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:59:07,419 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 21:59:07,423 INFO L158 Benchmark]: Toolchain (without parser) took 73081.82ms. Allocated memory was 142.6MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 117.4MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-13 21:59:07,423 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:59:07,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.45ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 69.6MB in the end (delta: 47.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 21:59:07,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 354.99ms. Allocated memory is still 142.6MB. Free memory was 69.6MB in the beginning and 63.5MB in the end (delta: 6.1MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2024-11-13 21:59:07,427 INFO L158 Benchmark]: Boogie Preprocessor took 354.83ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 63.5MB in the beginning and 350.6MB in the end (delta: -287.1MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-11-13 21:59:07,428 INFO L158 Benchmark]: RCFGBuilder took 9537.48ms. Allocated memory was 427.8MB in the beginning and 922.7MB in the end (delta: 494.9MB). Free memory was 350.6MB in the beginning and 402.8MB in the end (delta: -52.2MB). Peak memory consumption was 612.1MB. Max. memory is 16.1GB. [2024-11-13 21:59:07,428 INFO L158 Benchmark]: CodeCheck took 62095.33ms. Allocated memory was 922.7MB in the beginning and 3.0GB in the end (delta: 2.1GB). Free memory was 402.8MB in the beginning and 1.5GB in the end (delta: -1.1GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-13 21:59:07,433 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 0.83ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.45ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 69.6MB in the end (delta: 47.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 354.99ms. Allocated memory is still 142.6MB. Free memory was 69.6MB in the beginning and 63.5MB in the end (delta: 6.1MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 354.83ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 63.5MB in the beginning and 350.6MB in the end (delta: -287.1MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * RCFGBuilder took 9537.48ms. Allocated memory was 427.8MB in the beginning and 922.7MB in the end (delta: 494.9MB). Free memory was 350.6MB in the beginning and 402.8MB in the end (delta: -52.2MB). Peak memory consumption was 612.1MB. Max. memory is 16.1GB. * CodeCheck took 62095.33ms. Allocated memory was 922.7MB in the beginning and 3.0GB in the end (delta: 2.1GB). Free memory was 402.8MB in the beginning and 1.5GB in the end (delta: -1.1GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:59:07,642 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 21:59:07,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/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_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/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 64bit --witnessprinter.graph.data.programhash 875156c3731c0a5bf4c4c8e31515b41d84546cbf12ddfa7ae901dd39a126b063 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:59:10,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:59:10,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:59:10,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:59:10,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:59:10,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:59:10,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:59:10,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:59:10,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:59:10,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:59:10,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:59:10,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:59:10,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:59:10,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:59:10,205 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:59:10,205 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:59:10,205 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:59:10,205 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:59:10,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:59:10,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:59:10,206 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:59:10,206 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:59:10,206 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:59:10,206 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:10,206 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:59:10,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:59:10,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:59:10,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:59:10,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:59:10,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:59:10,209 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:59:10,209 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:10,209 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:59:10,210 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_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 875156c3731c0a5bf4c4c8e31515b41d84546cbf12ddfa7ae901dd39a126b063 [2024-11-13 21:59:10,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:59:10,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:59:10,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:59:10,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:59:10,557 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:59:10,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:59:12,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:59:12,867 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:59:12,872 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c [2024-11-13 21:59:12,893 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/data/1562420e5/3044fe884ddc428284bf3462b11fb7c6/FLAG2322dff88 [2024-11-13 21:59:12,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/data/1562420e5/3044fe884ddc428284bf3462b11fb7c6 [2024-11-13 21:59:12,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:59:12,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:59:12,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:59:12,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:59:12,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:59:12,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:59:12" (1/1) ... [2024-11-13 21:59:12,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@80d6e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:12, skipping insertion in model container [2024-11-13 21:59:12,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:59:12" (1/1) ... [2024-11-13 21:59:12,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:59:13,202 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_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c[1172,1185] [2024-11-13 21:59:13,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:59:13,474 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:59:13,482 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_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.1.prop1-back-serstep.c[1172,1185] [2024-11-13 21:59:13,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:59:13,639 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:59:13,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:13 WrapperNode [2024-11-13 21:59:13,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:59:13,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:59:13,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:59:13,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:59:13,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:13" (1/1) ... [2024-11-13 21:59:13,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:13" (1/1) ... [2024-11-13 21:59:13,794 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1191 [2024-11-13 21:59:13,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:59:13,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:59:13,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:59:13,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:59:13,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:13" (1/1) ... [2024-11-13 21:59:13,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:13" (1/1) ... [2024-11-13 21:59:13,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:13" (1/1) ... [2024-11-13 21:59:13,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:13" (1/1) ... [2024-11-13 21:59:13,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:13" (1/1) ... [2024-11-13 21:59:13,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:13" (1/1) ... [2024-11-13 21:59:13,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:13" (1/1) ... [2024-11-13 21:59:13,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:13" (1/1) ... [2024-11-13 21:59:13,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:59:13,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:59:13,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:59:13,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:59:13,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:59:13" (1/1) ... [2024-11-13 21:59:13,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:59:13,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:59:13,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:59:13,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:59:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:59:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:59:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:59:13,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:59:14,307 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:59:14,310 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:59:16,779 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-13 21:59:16,779 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:59:16,837 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:59:16,837 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:59:16,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:59:16 BoogieIcfgContainer [2024-11-13 21:59:16,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:59:16,839 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:59:16,839 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:59:16,850 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:59:16,850 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:59:16" (1/1) ... [2024-11-13 21:59:16,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:59:16,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:16,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:59:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:59:16,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:59:16,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:16,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:16,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:16,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:16,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:59:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:17,483 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:17,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:59:17,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:17,739 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 21:59:17,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:59:18,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:18,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:59:18,057 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:59:18,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:59:18,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:18,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:18,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:18,061 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:18,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dbf236a-66fe-4bd3-aa31-1232a3a2bfb9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:59:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:18,994 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:19,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 21:59:19,288 INFO L278 TraceCheckSpWp]: Computing forward predicates...