./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.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_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/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_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/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_add6c663-3ce6-4612-bbd5-67fccdd81e25/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 02856a1922cb0bbae08ee4b811423985d7eefa7297aec20cb17187445a71ca5a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:21,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:21,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:17:21,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:21,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:21,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:21,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:21,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:21,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:21,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:21,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:21,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:21,857 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:21,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:21,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:21,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:21,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:21,859 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:21,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:21,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:21,859 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:21,860 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:21,860 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:21,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:21,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:21,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:21,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:21,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:21,860 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:21,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:21,860 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_add6c663-3ce6-4612-bbd5-67fccdd81e25/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 -> 02856a1922cb0bbae08ee4b811423985d7eefa7297aec20cb17187445a71ca5a [2024-11-13 20:17:22,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:22,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:22,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:22,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:22,181 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:22,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:17:24,261 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:24,645 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:24,646 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c [2024-11-13 20:17:24,664 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/data/300028012/003db69aad574aeaa777685d5b018051/FLAG4ca1f47f6 [2024-11-13 20:17:24,691 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/data/300028012/003db69aad574aeaa777685d5b018051 [2024-11-13 20:17:24,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:24,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:24,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:24,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:24,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:24,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:24" (1/1) ... [2024-11-13 20:17:24,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b3256e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:24, skipping insertion in model container [2024-11-13 20:17:24,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:24" (1/1) ... [2024-11-13 20:17:24,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:24,985 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_add6c663-3ce6-4612-bbd5-67fccdd81e25/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c[1178,1191] [2024-11-13 20:17:25,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:25,477 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:25,487 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_add6c663-3ce6-4612-bbd5-67fccdd81e25/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c[1178,1191] [2024-11-13 20:17:25,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:25,788 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:25,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:25 WrapperNode [2024-11-13 20:17:25,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:25,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:25,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:25,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:25,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:25,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:26,696 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7236 [2024-11-13 20:17:26,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:26,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:26,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:26,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:26,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:26,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:26,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:26,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:27,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:27,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:27,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:27,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:27,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:27,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:27,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:27,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:27,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:27,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:27,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:27,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:27,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:17:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:28,552 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:28,555 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:40,521 INFO L? ?]: Removed 3985 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:40,522 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:54,120 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:54,120 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:17:54,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:54 BoogieIcfgContainer [2024-11-13 20:17:54,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:54,122 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:54,122 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:54,129 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:54,130 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:54" (1/1) ... [2024-11-13 20:17:54,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:54,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:54,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:17:54,189 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:17:54,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:17:54,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:54,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:18:01,574 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 20:18:11,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:18:22,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:18:23,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:18:27,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.53s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:18:32,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:18:42,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:18:42,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:18:42,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 20:18:42,582 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 20:18:42,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:18:42,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:18:42,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:20:42,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:22:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:23:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:23:05,301 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 20:23:05,304 INFO L158 Benchmark]: Toolchain (without parser) took 340608.91ms. Allocated memory was 117.4MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 88.1MB in the beginning and 643.6MB in the end (delta: -555.5MB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-11-13 20:23:05,305 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:23:05,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1092.73ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 43.9MB in the end (delta: 44.3MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2024-11-13 20:23:05,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 906.55ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 43.7MB in the beginning and 77.2MB in the end (delta: -33.5MB). Peak memory consumption was 147.2MB. Max. memory is 16.1GB. [2024-11-13 20:23:05,306 INFO L158 Benchmark]: Boogie Preprocessor took 1179.10ms. Allocated memory was 243.3MB in the beginning and 620.8MB in the end (delta: 377.5MB). Free memory was 77.2MB in the beginning and 411.3MB in the end (delta: -334.1MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-11-13 20:23:05,307 INFO L158 Benchmark]: RCFGBuilder took 26243.56ms. Allocated memory was 620.8MB in the beginning and 872.4MB in the end (delta: 251.7MB). Free memory was 411.3MB in the beginning and 194.1MB in the end (delta: 217.1MB). Peak memory consumption was 640.6MB. Max. memory is 16.1GB. [2024-11-13 20:23:05,307 INFO L158 Benchmark]: CodeCheck took 311181.94ms. Allocated memory was 872.4MB in the beginning and 2.6GB in the end (delta: 1.7GB). Free memory was 194.1MB in the beginning and 643.6MB in the end (delta: -449.5MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-13 20:23:05,310 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 0.44ms. Allocated memory is still 83.9MB. Free memory is still 40.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1092.73ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 43.9MB in the end (delta: 44.3MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 906.55ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 43.7MB in the beginning and 77.2MB in the end (delta: -33.5MB). Peak memory consumption was 147.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1179.10ms. Allocated memory was 243.3MB in the beginning and 620.8MB in the end (delta: 377.5MB). Free memory was 77.2MB in the beginning and 411.3MB in the end (delta: -334.1MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * RCFGBuilder took 26243.56ms. Allocated memory was 620.8MB in the beginning and 872.4MB in the end (delta: 251.7MB). Free memory was 411.3MB in the beginning and 194.1MB in the end (delta: 217.1MB). Peak memory consumption was 640.6MB. Max. memory is 16.1GB. * CodeCheck took 311181.94ms. Allocated memory was 872.4MB in the beginning and 2.6GB in the end (delta: 1.7GB). Free memory was 194.1MB in the beginning and 643.6MB in the end (delta: -449.5MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:23:05,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/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_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/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_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/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_add6c663-3ce6-4612-bbd5-67fccdd81e25/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 02856a1922cb0bbae08ee4b811423985d7eefa7297aec20cb17187445a71ca5a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:23:07,999 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:23:08,088 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 20:23:08,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:23:08,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:23:08,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:23:08,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:23:08,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:23:08,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:23:08,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:23:08,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:23:08,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:23:08,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:23:08,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:23:08,140 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:23:08,140 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:23:08,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:23:08,140 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:23:08,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:23:08,140 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:23:08,141 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:23:08,141 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:23:08,141 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:23:08,141 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:08,141 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:23:08,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:23:08,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:23:08,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:23:08,142 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:23:08,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:23:08,142 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:23:08,142 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:08,142 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:23:08,142 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_add6c663-3ce6-4612-bbd5-67fccdd81e25/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 -> 02856a1922cb0bbae08ee4b811423985d7eefa7297aec20cb17187445a71ca5a [2024-11-13 20:23:08,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:23:08,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:23:08,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:23:08,475 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:23:08,475 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:23:08,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 20:23:10,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:23:11,004 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:23:11,005 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c [2024-11-13 20:23:11,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/data/c83caaf4b/d076afe0511946828c755df91c7b9169/FLAG357056f97 [2024-11-13 20:23:11,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/data/c83caaf4b/d076afe0511946828c755df91c7b9169 [2024-11-13 20:23:11,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:23:11,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:23:11,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:23:11,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:23:11,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:23:11,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:23:11" (1/1) ... [2024-11-13 20:23:11,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e8e9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:11, skipping insertion in model container [2024-11-13 20:23:11,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:23:11" (1/1) ... [2024-11-13 20:23:11,239 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:23:11,471 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_add6c663-3ce6-4612-bbd5-67fccdd81e25/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c[1178,1191] [2024-11-13 20:23:11,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:23:11,951 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:23:11,960 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_add6c663-3ce6-4612-bbd5-67fccdd81e25/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c[1178,1191] [2024-11-13 20:23:12,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:23:12,218 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:23:12,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:12 WrapperNode [2024-11-13 20:23:12,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:23:12,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:23:12,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:23:12,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:23:12,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:12" (1/1) ... [2024-11-13 20:23:12,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:12" (1/1) ... [2024-11-13 20:23:12,395 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2316 [2024-11-13 20:23:12,396 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:23:12,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:23:12,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:23:12,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:23:12,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:12" (1/1) ... [2024-11-13 20:23:12,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:12" (1/1) ... [2024-11-13 20:23:12,425 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:12" (1/1) ... [2024-11-13 20:23:12,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:12" (1/1) ... [2024-11-13 20:23:12,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:12" (1/1) ... [2024-11-13 20:23:12,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:12" (1/1) ... [2024-11-13 20:23:12,543 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:12" (1/1) ... [2024-11-13 20:23:12,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:12" (1/1) ... [2024-11-13 20:23:12,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:23:12,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:23:12,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:23:12,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:23:12,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:23:12" (1/1) ... [2024-11-13 20:23:12,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:23:12,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:23:12,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:23:12,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:23:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:23:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:23:12,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:23:12,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:23:13,247 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:23:13,249 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:23:16,902 INFO L? ?]: Removed 236 outVars from TransFormulas that were not future-live. [2024-11-13 20:23:16,902 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:23:16,996 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:23:16,996 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:23:16,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:16 BoogieIcfgContainer [2024-11-13 20:23:16,997 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:23:16,998 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:23:16,998 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:23:17,008 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:23:17,008 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:23:16" (1/1) ... [2024-11-13 20:23:17,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:23:17,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:17,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 20:23:17,075 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 20:23:17,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:23:17,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:17,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:17,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:17,080 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:17,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:23:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:18,026 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:18,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:23:18,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:18,415 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 20:23:18,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:23:18,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:18,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 20:23:18,834 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 20:23:18,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:23:18,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:18,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:23:18,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:23:18,838 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:23:18,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_add6c663-3ce6-4612-bbd5-67fccdd81e25/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:23:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:20,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:23:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:20,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 20:23:20,952 INFO L278 TraceCheckSpWp]: Computing forward predicates...