./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.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_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/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_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/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_1c2ae132-76ab-4613-8620-02afcaeef400/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 b9d90ab5fa842ed92f4d168fecaaa4078ac591e665f0729664a45aeab035527b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:29:54,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:29:54,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:29:54,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:29:54,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:29:54,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:29:54,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:29:54,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:29:54,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:29:54,928 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:29:54,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:29:54,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:29:54,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:29:54,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:29:54,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:29:54,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:29:54,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:29:54,929 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:29:54,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:29:54,929 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:29:54,930 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:29:54,930 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:29:54,930 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:29:54,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:29:54,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:29:54,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:29:54,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:29:54,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:29:54,931 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:29:54,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:29:54,931 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_1c2ae132-76ab-4613-8620-02afcaeef400/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 -> b9d90ab5fa842ed92f4d168fecaaa4078ac591e665f0729664a45aeab035527b [2024-11-13 21:29:55,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:29:55,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:29:55,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:29:55,185 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:29:55,185 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:29:55,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:29:57,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:29:57,551 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:29:57,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c [2024-11-13 21:29:57,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/data/e04e17dc4/f93fcaf34eb04af68b53af9dcc95de0a/FLAG2d897d3e1 [2024-11-13 21:29:57,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/data/e04e17dc4/f93fcaf34eb04af68b53af9dcc95de0a [2024-11-13 21:29:57,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:29:57,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:29:57,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:29:57,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:29:57,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:29:57,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:29:57" (1/1) ... [2024-11-13 21:29:57,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f32012b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:57, skipping insertion in model container [2024-11-13 21:29:57,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:29:57" (1/1) ... [2024-11-13 21:29:57,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:29:57,865 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_1c2ae132-76ab-4613-8620-02afcaeef400/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c[1174,1187] [2024-11-13 21:29:58,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:29:58,276 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:29:58,285 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_1c2ae132-76ab-4613-8620-02afcaeef400/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c[1174,1187] [2024-11-13 21:29:58,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:29:58,457 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:29:58,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:58 WrapperNode [2024-11-13 21:29:58,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:29:58,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:29:58,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:29:58,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:29:58,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:58" (1/1) ... [2024-11-13 21:29:58,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:58" (1/1) ... [2024-11-13 21:29:59,037 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4340 [2024-11-13 21:29:59,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:29:59,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:29:59,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:29:59,038 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:29:59,045 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:58" (1/1) ... [2024-11-13 21:29:59,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:58" (1/1) ... [2024-11-13 21:29:59,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:58" (1/1) ... [2024-11-13 21:29:59,135 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:58" (1/1) ... [2024-11-13 21:29:59,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:58" (1/1) ... [2024-11-13 21:29:59,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:58" (1/1) ... [2024-11-13 21:29:59,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:58" (1/1) ... [2024-11-13 21:29:59,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:58" (1/1) ... [2024-11-13 21:29:59,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:29:59,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:29:59,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:29:59,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:29:59,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:29:58" (1/1) ... [2024-11-13 21:29:59,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:29:59,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:29:59,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:29:59,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:29:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:29:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:29:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:29:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:30:00,385 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:30:00,387 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:30:06,236 INFO L? ?]: Removed 2368 outVars from TransFormulas that were not future-live. [2024-11-13 21:30:06,237 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:30:13,899 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:30:13,899 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:30:13,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:30:13 BoogieIcfgContainer [2024-11-13 21:30:13,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:30:13,901 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:30:13,901 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:30:13,911 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:30:13,911 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:30:13" (1/1) ... [2024-11-13 21:30:13,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:30:13,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:13,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:30:13,978 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:30:13,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:30:13,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:13,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:16,580 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 21:30:26,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:30:36,842 WARN L539 Checker$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 21:30:40,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:30:40,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:40,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:30:40,417 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:30:40,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:30:40,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:40,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:31:13,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:31:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:31:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:50,177 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 21:31:50,184 INFO L158 Benchmark]: Toolchain (without parser) took 112587.45ms. Allocated memory was 142.6MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 117.2MB in the beginning and 1.0GB in the end (delta: -922.2MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-11-13 21:31:50,186 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:31:50,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 859.74ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 59.1MB in the end (delta: 57.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 21:31:50,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 579.16ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 59.1MB in the beginning and 60.5MB in the end (delta: -1.4MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. [2024-11-13 21:31:50,188 INFO L158 Benchmark]: Boogie Preprocessor took 775.87ms. Allocated memory was 151.0MB in the beginning and 394.3MB in the end (delta: 243.3MB). Free memory was 60.5MB in the beginning and 280.8MB in the end (delta: -220.3MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-11-13 21:31:50,189 INFO L158 Benchmark]: RCFGBuilder took 14084.06ms. Allocated memory was 394.3MB in the beginning and 956.3MB in the end (delta: 562.0MB). Free memory was 280.8MB in the beginning and 634.0MB in the end (delta: -353.2MB). Peak memory consumption was 642.4MB. Max. memory is 16.1GB. [2024-11-13 21:31:50,189 INFO L158 Benchmark]: CodeCheck took 96282.20ms. Allocated memory was 956.3MB in the beginning and 2.7GB in the end (delta: 1.7GB). Free memory was 634.0MB in the beginning and 1.0GB in the end (delta: -405.4MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-13 21:31:50,194 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 0.39ms. Allocated memory is still 142.6MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 859.74ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 59.1MB in the end (delta: 57.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 579.16ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 59.1MB in the beginning and 60.5MB in the end (delta: -1.4MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 775.87ms. Allocated memory was 151.0MB in the beginning and 394.3MB in the end (delta: 243.3MB). Free memory was 60.5MB in the beginning and 280.8MB in the end (delta: -220.3MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * RCFGBuilder took 14084.06ms. Allocated memory was 394.3MB in the beginning and 956.3MB in the end (delta: 562.0MB). Free memory was 280.8MB in the beginning and 634.0MB in the end (delta: -353.2MB). Peak memory consumption was 642.4MB. Max. memory is 16.1GB. * CodeCheck took 96282.20ms. Allocated memory was 956.3MB in the beginning and 2.7GB in the end (delta: 1.7GB). Free memory was 634.0MB in the beginning and 1.0GB in the end (delta: -405.4MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:31:50,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/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_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/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_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/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_1c2ae132-76ab-4613-8620-02afcaeef400/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 b9d90ab5fa842ed92f4d168fecaaa4078ac591e665f0729664a45aeab035527b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:31:52,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:31:53,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:31:53,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:31:53,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:31:53,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:31:53,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:31:53,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:31:53,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:31:53,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:31:53,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:31:53,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:31:53,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:31:53,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:31:53,082 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:31:53,082 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:31:53,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:31:53,082 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:31:53,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:31:53,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:31:53,083 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:31:53,083 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:31:53,083 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:31:53,083 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:31:53,083 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:31:53,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:31:53,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:31:53,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:31:53,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:31:53,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:31:53,084 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:31:53,084 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:31:53,084 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:31:53,085 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_1c2ae132-76ab-4613-8620-02afcaeef400/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 -> b9d90ab5fa842ed92f4d168fecaaa4078ac591e665f0729664a45aeab035527b [2024-11-13 21:31:53,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:31:53,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:31:53,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:31:53,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:31:53,379 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:31:53,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:31:55,279 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:31:55,662 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:31:55,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c [2024-11-13 21:31:55,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/data/c083a6a8f/1f8ced42cf524e708804e1054f0595ec/FLAG8417720e2 [2024-11-13 21:31:55,858 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/data/c083a6a8f/1f8ced42cf524e708804e1054f0595ec [2024-11-13 21:31:55,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:31:55,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:31:55,862 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:31:55,862 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:31:55,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:31:55,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:31:55" (1/1) ... [2024-11-13 21:31:55,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7646e213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:55, skipping insertion in model container [2024-11-13 21:31:55,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:31:55" (1/1) ... [2024-11-13 21:31:55,922 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:31:56,141 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_1c2ae132-76ab-4613-8620-02afcaeef400/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c[1174,1187] [2024-11-13 21:31:56,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:31:56,519 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:31:56,539 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_1c2ae132-76ab-4613-8620-02afcaeef400/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.2.prop1-back-serstep.c[1174,1187] [2024-11-13 21:31:56,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:31:56,737 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:31:56,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:56 WrapperNode [2024-11-13 21:31:56,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:31:56,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:31:56,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:31:56,740 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:31:56,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:56" (1/1) ... [2024-11-13 21:31:56,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:56" (1/1) ... [2024-11-13 21:31:56,899 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1420 [2024-11-13 21:31:56,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:31:56,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:31:56,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:31:56,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:31:56,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:56" (1/1) ... [2024-11-13 21:31:56,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:56" (1/1) ... [2024-11-13 21:31:56,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:56" (1/1) ... [2024-11-13 21:31:56,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:56" (1/1) ... [2024-11-13 21:31:56,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:56" (1/1) ... [2024-11-13 21:31:56,991 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:56" (1/1) ... [2024-11-13 21:31:56,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:56" (1/1) ... [2024-11-13 21:31:57,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:56" (1/1) ... [2024-11-13 21:31:57,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:31:57,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:31:57,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:31:57,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:31:57,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:56" (1/1) ... [2024-11-13 21:31:57,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:31:57,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:31:57,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:31:57,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:31:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:31:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:31:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:31:57,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:31:57,433 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:31:57,435 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:31:59,637 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-11-13 21:31:59,638 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:31:59,716 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:31:59,716 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:31:59,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:31:59 BoogieIcfgContainer [2024-11-13 21:31:59,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:31:59,718 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:31:59,718 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:31:59,731 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:31:59,731 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:31:59" (1/1) ... [2024-11-13 21:31:59,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:31:59,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:31:59,793 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:31:59,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:31:59,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:59,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:31:59,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:31:59,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:31:59,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:32:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:00,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:32:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:00,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:32:00,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:00,712 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 21:32:00,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:32:01,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:01,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:32:01,032 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:32:01,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:32:01,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:01,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:01,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:32:01,036 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:32:01,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c2ae132-76ab-4613-8620-02afcaeef400/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:32:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:02,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:32:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:02,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 21:32:02,380 INFO L278 TraceCheckSpWp]: Computing forward predicates...