./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.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_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/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_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/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_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/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 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:52:21,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:52:21,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:52:21,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:52:21,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:52:21,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:52:21,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:52:21,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:52:21,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:52:21,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:52:21,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:52:21,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:52:21,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:52:21,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:52:21,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:52:21,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:52:21,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:52:21,437 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:52:21,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:52:21,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:52:21,438 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:52:21,438 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:52:21,438 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:52:21,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:52:21,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:52:21,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:52:21,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:52:21,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:52:21,439 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:52:21,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:52:21,439 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_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/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 -> 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b [2024-11-13 21:52:21,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:52:21,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:52:21,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:52:21,876 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:52:21,878 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:52:21,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:52:24,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:52:24,502 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:52:24,504 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c [2024-11-13 21:52:24,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/data/ddbdf714a/b65b92dcf8dc4bc598c969cf3e0fa072/FLAG0f8b87614 [2024-11-13 21:52:24,543 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/data/ddbdf714a/b65b92dcf8dc4bc598c969cf3e0fa072 [2024-11-13 21:52:24,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:52:24,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:52:24,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:52:24,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:52:24,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:52:24,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:52:24" (1/1) ... [2024-11-13 21:52:24,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1821bca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:24, skipping insertion in model container [2024-11-13 21:52:24,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:52:24" (1/1) ... [2024-11-13 21:52:24,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:52:24,825 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_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1173,1186] [2024-11-13 21:52:25,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:52:25,388 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:52:25,401 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_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1173,1186] [2024-11-13 21:52:25,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:52:25,642 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:52:25,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:25 WrapperNode [2024-11-13 21:52:25,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:52:25,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:52:25,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:52:25,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:52:25,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:25" (1/1) ... [2024-11-13 21:52:25,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:25" (1/1) ... [2024-11-13 21:52:26,344 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4298 [2024-11-13 21:52:26,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:52:26,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:52:26,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:52:26,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:52:26,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:25" (1/1) ... [2024-11-13 21:52:26,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:25" (1/1) ... [2024-11-13 21:52:26,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:25" (1/1) ... [2024-11-13 21:52:26,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:25" (1/1) ... [2024-11-13 21:52:26,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:25" (1/1) ... [2024-11-13 21:52:26,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:25" (1/1) ... [2024-11-13 21:52:27,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:25" (1/1) ... [2024-11-13 21:52:27,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:25" (1/1) ... [2024-11-13 21:52:27,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:52:27,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:52:27,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:52:27,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:52:27,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:52:25" (1/1) ... [2024-11-13 21:52:27,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:52:27,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:52:27,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:52:27,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:52:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:52:27,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:52:27,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:52:27,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:52:27,922 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:52:27,925 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:52:34,819 INFO L? ?]: Removed 2420 outVars from TransFormulas that were not future-live. [2024-11-13 21:52:34,819 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:52:43,658 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:52:43,658 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:52:43,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:52:43 BoogieIcfgContainer [2024-11-13 21:52:43,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:52:43,660 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:52:43,660 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:52:43,673 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:52:43,673 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:52:43" (1/1) ... [2024-11-13 21:52:43,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:52:43,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:52:43,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:52:43,754 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:52:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:52:43,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:52:43,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:52:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:52:51,373 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 21:53:01,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:53:12,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:53:15,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:53:22,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:53:22,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:22,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:53:22,071 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:53:22,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:53:22,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:22,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:54:10,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:54:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:55:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:09,915 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 21:55:09,920 INFO L158 Benchmark]: Toolchain (without parser) took 165371.68ms. Allocated memory was 142.6MB in the beginning and 872.4MB in the end (delta: 729.8MB). Free memory was 117.2MB in the beginning and 400.0MB in the end (delta: -282.7MB). Peak memory consumption was 448.9MB. Max. memory is 16.1GB. [2024-11-13 21:55:09,920 INFO L158 Benchmark]: CDTParser took 1.86ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:55:09,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1093.99ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 58.0MB in the end (delta: 59.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 21:55:09,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 701.21ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 57.7MB in the beginning and 66.3MB in the end (delta: -8.6MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2024-11-13 21:55:09,922 INFO L158 Benchmark]: Boogie Preprocessor took 923.62ms. Allocated memory was 159.4MB in the beginning and 184.5MB in the end (delta: 25.2MB). Free memory was 66.3MB in the beginning and 77.0MB in the end (delta: -10.7MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2024-11-13 21:55:09,923 INFO L158 Benchmark]: RCFGBuilder took 16387.32ms. Allocated memory was 184.5MB in the beginning and 587.2MB in the end (delta: 402.7MB). Free memory was 77.0MB in the beginning and 135.6MB in the end (delta: -58.5MB). Peak memory consumption was 475.2MB. Max. memory is 16.1GB. [2024-11-13 21:55:09,924 INFO L158 Benchmark]: CodeCheck took 146258.45ms. Allocated memory was 587.2MB in the beginning and 872.4MB in the end (delta: 285.2MB). Free memory was 135.6MB in the beginning and 400.0MB in the end (delta: -264.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-13 21:55:09,928 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 1.86ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1093.99ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 58.0MB in the end (delta: 59.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 701.21ms. Allocated memory was 142.6MB in the beginning and 159.4MB in the end (delta: 16.8MB). Free memory was 57.7MB in the beginning and 66.3MB in the end (delta: -8.6MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 923.62ms. Allocated memory was 159.4MB in the beginning and 184.5MB in the end (delta: 25.2MB). Free memory was 66.3MB in the beginning and 77.0MB in the end (delta: -10.7MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * RCFGBuilder took 16387.32ms. Allocated memory was 184.5MB in the beginning and 587.2MB in the end (delta: 402.7MB). Free memory was 77.0MB in the beginning and 135.6MB in the end (delta: -58.5MB). Peak memory consumption was 475.2MB. Max. memory is 16.1GB. * CodeCheck took 146258.45ms. Allocated memory was 587.2MB in the beginning and 872.4MB in the end (delta: 285.2MB). Free memory was 135.6MB in the beginning and 400.0MB in the end (delta: -264.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:55:09,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/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_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/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_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/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 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:55:13,364 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:55:13,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:55:13,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:55:13,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:55:13,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:55:13,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:55:13,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:55:13,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:55:13,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:55:13,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:55:13,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:55:13,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:55:13,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:55:13,574 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:55:13,575 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:55:13,576 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:55:13,576 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:55:13,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:55:13,577 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:55:13,577 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:55:13,577 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:55:13,577 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:55:13,577 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:13,577 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:55:13,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:55:13,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:55:13,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:55:13,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:55:13,578 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:55:13,578 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:55:13,578 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:13,578 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:55:13,578 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_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/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 -> 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b [2024-11-13 21:55:13,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:55:13,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:55:13,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:55:13,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:55:13,987 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:55:13,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:55:16,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:55:16,597 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:55:16,597 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c [2024-11-13 21:55:16,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/data/ef6a3ca43/3ac48b674e654696b0a707f6c4d73427/FLAG6f1e04268 [2024-11-13 21:55:16,646 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/data/ef6a3ca43/3ac48b674e654696b0a707f6c4d73427 [2024-11-13 21:55:16,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:55:16,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:55:16,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:55:16,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:55:16,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:55:16,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:55:16" (1/1) ... [2024-11-13 21:55:16,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@409f6823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:16, skipping insertion in model container [2024-11-13 21:55:16,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:55:16" (1/1) ... [2024-11-13 21:55:16,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:55:16,975 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_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1173,1186] [2024-11-13 21:55:17,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:55:17,442 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:55:17,456 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_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1173,1186] [2024-11-13 21:55:17,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:55:17,719 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:55:17,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:17 WrapperNode [2024-11-13 21:55:17,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:55:17,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:55:17,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:55:17,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:55:17,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:17" (1/1) ... [2024-11-13 21:55:17,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:17" (1/1) ... [2024-11-13 21:55:17,908 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1554 [2024-11-13 21:55:17,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:55:17,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:55:17,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:55:17,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:55:17,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:17" (1/1) ... [2024-11-13 21:55:17,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:17" (1/1) ... [2024-11-13 21:55:17,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:17" (1/1) ... [2024-11-13 21:55:17,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:17" (1/1) ... [2024-11-13 21:55:18,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:17" (1/1) ... [2024-11-13 21:55:18,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:17" (1/1) ... [2024-11-13 21:55:18,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:17" (1/1) ... [2024-11-13 21:55:18,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:17" (1/1) ... [2024-11-13 21:55:18,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:55:18,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:55:18,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:55:18,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:55:18,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:17" (1/1) ... [2024-11-13 21:55:18,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:55:18,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:55:18,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:55:18,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:55:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:55:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:55:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:55:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:55:18,742 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:55:18,745 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:55:21,714 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-11-13 21:55:21,714 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:55:21,817 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:55:21,818 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:55:21,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:55:21 BoogieIcfgContainer [2024-11-13 21:55:21,819 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:55:21,820 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:55:21,820 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:55:21,834 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:55:21,835 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:55:21" (1/1) ... [2024-11-13 21:55:21,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:55:21,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:21,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:55:21,923 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:55:21,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:55:21,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:21,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:21,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:21,932 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:21,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:55:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:22,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:23,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:55:23,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:23,228 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 21:55:23,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:55:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:23,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:55:23,573 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:55:23,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:55:23,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:23,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:23,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:23,579 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:23,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9ed03ab-38cd-4d4e-88db-5a1ef00e3cab/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:55:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:24,807 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:25,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:55:25,295 INFO L278 TraceCheckSpWp]: Computing forward predicates...