./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.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_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/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_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/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_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/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 a49646d470191b782a92059c4dc0aa3c9bfd4337b487a4e1f4fe95d78e89fc63 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:32:47,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:32:47,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:32:47,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:32:47,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:32:47,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:32:47,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:32:47,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:32:47,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:32:47,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:32:47,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:32:47,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:32:47,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:32:47,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:32:47,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:32:47,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:32:47,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:32:47,899 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:32:47,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:32:47,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:32:47,899 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:32:47,899 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:32:47,899 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:32:47,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:32:47,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:32:47,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:32:47,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:32:47,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:32:47,900 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:32:47,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:32:47,900 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_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/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 -> a49646d470191b782a92059c4dc0aa3c9bfd4337b487a4e1f4fe95d78e89fc63 [2024-11-13 22:32:48,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:32:48,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:32:48,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:32:48,203 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:32:48,204 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:32:48,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:32:50,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:32:50,773 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:32:50,774 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c [2024-11-13 22:32:50,790 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/data/41c38fd0a/4c9fae820aac43079a438f5f52e00aec/FLAGb77a9842a [2024-11-13 22:32:50,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/data/41c38fd0a/4c9fae820aac43079a438f5f52e00aec [2024-11-13 22:32:50,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:32:50,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:32:50,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:32:50,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:32:50,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:32:50,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:50" (1/1) ... [2024-11-13 22:32:50,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4cf5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:50, skipping insertion in model container [2024-11-13 22:32:50,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:50" (1/1) ... [2024-11-13 22:32:50,880 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:32:51,083 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_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c[1172,1185] [2024-11-13 22:32:51,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:32:51,726 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:32:51,737 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_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c[1172,1185] [2024-11-13 22:32:52,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:32:52,059 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:32:52,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:52 WrapperNode [2024-11-13 22:32:52,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:32:52,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:32:52,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:32:52,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:32:52,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:52" (1/1) ... [2024-11-13 22:32:52,176 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:52" (1/1) ... [2024-11-13 22:32:53,244 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8970 [2024-11-13 22:32:53,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:32:53,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:32:53,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:32:53,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:32:53,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:52" (1/1) ... [2024-11-13 22:32:53,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:52" (1/1) ... [2024-11-13 22:32:53,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:52" (1/1) ... [2024-11-13 22:32:53,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:52" (1/1) ... [2024-11-13 22:32:53,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:52" (1/1) ... [2024-11-13 22:32:53,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:52" (1/1) ... [2024-11-13 22:32:53,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:52" (1/1) ... [2024-11-13 22:32:54,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:52" (1/1) ... [2024-11-13 22:32:54,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:32:54,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:32:54,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:32:54,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:32:54,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:52" (1/1) ... [2024-11-13 22:32:54,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:32:54,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:32:54,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:32:54,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:32:54,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:32:54,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:32:54,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:32:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:32:55,155 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:32:55,157 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:33:10,141 INFO L? ?]: Removed 4883 outVars from TransFormulas that were not future-live. [2024-11-13 22:33:10,142 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:33:23,885 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:33:23,885 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:33:23,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:23 BoogieIcfgContainer [2024-11-13 22:33:23,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:33:23,887 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:33:23,887 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:33:23,897 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:33:23,897 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:23" (1/1) ... [2024-11-13 22:33:23,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:33:23,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:23,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:33:23,970 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:33:23,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:33:23,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:23,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:30,214 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 22:33:40,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:33:50,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:33:52,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:33:54,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:34:04,329 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 22:34:04,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:04,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:34:04,371 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:34:04,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:34:04,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:04,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:37:37,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:41:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:41:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:41:26,343 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 22:41:26,358 INFO L158 Benchmark]: Toolchain (without parser) took 515542.40ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 90.2MB in the beginning and 650.0MB in the end (delta: -559.8MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-13 22:41:26,359 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:41:26,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1248.72ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 89.9MB in the beginning and 284.3MB in the end (delta: -194.5MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2024-11-13 22:41:26,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 1183.05ms. Allocated memory was 377.5MB in the beginning and 1.1GB in the end (delta: 755.0MB). Free memory was 283.8MB in the beginning and 935.1MB in the end (delta: -651.4MB). Peak memory consumption was 215.1MB. Max. memory is 16.1GB. [2024-11-13 22:41:26,362 INFO L158 Benchmark]: Boogie Preprocessor took 1109.47ms. Allocated memory is still 1.1GB. Free memory was 935.1MB in the beginning and 888.9MB in the end (delta: 46.2MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. [2024-11-13 22:41:26,363 INFO L158 Benchmark]: RCFGBuilder took 29529.25ms. Allocated memory was 1.1GB in the beginning and 4.2GB in the end (delta: 3.1GB). Free memory was 888.9MB in the beginning and 1.6GB in the end (delta: -661.9MB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2024-11-13 22:41:26,363 INFO L158 Benchmark]: CodeCheck took 482466.06ms. Allocated memory was 4.2GB in the beginning and 1.7GB in the end (delta: -2.5GB). Free memory was 1.6GB in the beginning and 650.0MB in the end (delta: 900.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:41:26,371 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 0.31ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1248.72ms. Allocated memory was 117.4MB in the beginning and 377.5MB in the end (delta: 260.0MB). Free memory was 89.9MB in the beginning and 284.3MB in the end (delta: -194.5MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1183.05ms. Allocated memory was 377.5MB in the beginning and 1.1GB in the end (delta: 755.0MB). Free memory was 283.8MB in the beginning and 935.1MB in the end (delta: -651.4MB). Peak memory consumption was 215.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1109.47ms. Allocated memory is still 1.1GB. Free memory was 935.1MB in the beginning and 888.9MB in the end (delta: 46.2MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. * RCFGBuilder took 29529.25ms. Allocated memory was 1.1GB in the beginning and 4.2GB in the end (delta: 3.1GB). Free memory was 888.9MB in the beginning and 1.6GB in the end (delta: -661.9MB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. * CodeCheck took 482466.06ms. Allocated memory was 4.2GB in the beginning and 1.7GB in the end (delta: -2.5GB). Free memory was 1.6GB in the beginning and 650.0MB in the end (delta: 900.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:41:26,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/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_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/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_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/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 a49646d470191b782a92059c4dc0aa3c9bfd4337b487a4e1f4fe95d78e89fc63 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:41:29,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:41:29,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:41:29,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:41:29,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:41:29,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:41:29,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:41:29,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:41:29,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:41:29,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:41:29,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:41:29,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:41:29,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:41:29,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:41:29,419 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:41:29,419 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:41:29,419 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:41:29,419 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:41:29,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:41:29,420 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:41:29,420 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:41:29,420 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:41:29,420 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:41:29,420 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:41:29,420 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:41:29,420 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:41:29,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:41:29,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:41:29,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:41:29,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:41:29,422 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:41:29,422 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:41:29,422 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:41:29,422 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_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/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 -> a49646d470191b782a92059c4dc0aa3c9bfd4337b487a4e1f4fe95d78e89fc63 [2024-11-13 22:41:29,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:41:29,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:41:29,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:41:29,812 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:41:29,813 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:41:29,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:41:31,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:41:32,215 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:41:32,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c [2024-11-13 22:41:32,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/data/a6078badb/06ed658b88ec4f60a7c8d92051766666/FLAG0a0c8b7d9 [2024-11-13 22:41:32,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/data/a6078badb/06ed658b88ec4f60a7c8d92051766666 [2024-11-13 22:41:32,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:41:32,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:41:32,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:41:32,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:41:32,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:41:32,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:41:32" (1/1) ... [2024-11-13 22:41:32,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708c489b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:32, skipping insertion in model container [2024-11-13 22:41:32,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:41:32" (1/1) ... [2024-11-13 22:41:32,416 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:41:32,688 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_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c[1172,1185] [2024-11-13 22:41:33,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:41:33,318 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:41:33,339 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_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.2.prop1-back-serstep.c[1172,1185] [2024-11-13 22:41:33,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:41:33,575 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:41:33,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:33 WrapperNode [2024-11-13 22:41:33,576 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:41:33,577 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:41:33,577 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:41:33,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:41:33,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:33" (1/1) ... [2024-11-13 22:41:33,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:33" (1/1) ... [2024-11-13 22:41:33,796 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2770 [2024-11-13 22:41:33,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:41:33,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:41:33,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:41:33,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:41:33,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:33" (1/1) ... [2024-11-13 22:41:33,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:33" (1/1) ... [2024-11-13 22:41:33,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:33" (1/1) ... [2024-11-13 22:41:33,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:33" (1/1) ... [2024-11-13 22:41:33,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:33" (1/1) ... [2024-11-13 22:41:33,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:33" (1/1) ... [2024-11-13 22:41:33,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:33" (1/1) ... [2024-11-13 22:41:33,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:33" (1/1) ... [2024-11-13 22:41:33,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:41:33,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:41:33,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:41:33,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:41:33,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:33" (1/1) ... [2024-11-13 22:41:33,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:41:33,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:41:34,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:41:34,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:41:34,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:41:34,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:41:34,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:41:34,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:41:34,716 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:41:34,718 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:41:39,523 INFO L? ?]: Removed 279 outVars from TransFormulas that were not future-live. [2024-11-13 22:41:39,523 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:41:39,662 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:41:39,663 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:41:39,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:41:39 BoogieIcfgContainer [2024-11-13 22:41:39,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:41:39,664 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:41:39,665 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:41:39,676 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:41:39,676 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:41:39" (1/1) ... [2024-11-13 22:41:39,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:41:39,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:39,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:41:39,750 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:41:39,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:41:39,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:39,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:41:39,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:41:39,757 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:41:39,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:41:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:40,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:41:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:41,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:41:41,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:41:41,330 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 22:41:41,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:41:41,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:41,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:41:41,822 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:41:41,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:41:41,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:41,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:41:41,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:41:41,827 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:41:41,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_466aa3dd-ed7a-4cda-b788-c53e7dd48a63/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:41:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:43,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:41:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:44,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-11-13 22:41:44,345 INFO L278 TraceCheckSpWp]: Computing forward predicates...