./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk --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 222b14b2569faca05dcbf2bfc0919e64cef2d3bef8d6862959ccf7f7e6419270 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:00:10,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:00:10,516 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-09 00:00:10,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:00:10,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:00:10,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:00:10,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:00:10,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:00:10,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:00:10,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:00:10,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:00:10,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:00:10,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:00:10,545 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:00:10,545 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:00:10,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:00:10,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:00:10,550 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:00:10,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:00:10,550 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:00:10,551 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:00:10,555 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:00:10,555 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:00:10,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:00:10,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:10,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:00:10,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:00:10,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:00:10,556 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:00:10,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:00:10,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 222b14b2569faca05dcbf2bfc0919e64cef2d3bef8d6862959ccf7f7e6419270 [2024-11-09 00:00:10,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:00:10,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:00:10,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:00:10,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:00:10,868 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:00:10,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-09 00:00:12,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:00:13,310 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:00:13,311 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c [2024-11-09 00:00:13,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/data/0b2d30146/fbfb0a6962c046b7952bf2df06858573/FLAGb388b48b9 [2024-11-09 00:00:13,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/data/0b2d30146/fbfb0a6962c046b7952bf2df06858573 [2024-11-09 00:00:13,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:00:13,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:00:13,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:13,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:00:13,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:00:13,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:13" (1/1) ... [2024-11-09 00:00:13,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40762134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:13, skipping insertion in model container [2024-11-09 00:00:13,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:13" (1/1) ... [2024-11-09 00:00:13,471 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:00:13,742 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_9cb36883-32de-4fc0-a06c-2dc8cc477be1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c[1176,1189] [2024-11-09 00:00:14,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:14,305 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:00:14,318 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_9cb36883-32de-4fc0-a06c-2dc8cc477be1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c[1176,1189] [2024-11-09 00:00:14,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:14,588 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:00:14,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:14 WrapperNode [2024-11-09 00:00:14,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:14,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:14,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:00:14,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:00:14,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:14" (1/1) ... [2024-11-09 00:00:14,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:14" (1/1) ... [2024-11-09 00:00:15,388 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5366 [2024-11-09 00:00:15,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:15,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:00:15,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:00:15,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:00:15,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:14" (1/1) ... [2024-11-09 00:00:15,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:14" (1/1) ... [2024-11-09 00:00:15,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:14" (1/1) ... [2024-11-09 00:00:15,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:14" (1/1) ... [2024-11-09 00:00:15,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:14" (1/1) ... [2024-11-09 00:00:15,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:14" (1/1) ... [2024-11-09 00:00:15,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:14" (1/1) ... [2024-11-09 00:00:15,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:14" (1/1) ... [2024-11-09 00:00:16,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:00:16,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:00:16,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:00:16,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:00:16,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:14" (1/1) ... [2024-11-09 00:00:16,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:16,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:00:16,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:00:16,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:00:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:00:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:00:16,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:00:16,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:00:16,820 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:00:16,823 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:00:24,219 INFO L? ?]: Removed 2897 outVars from TransFormulas that were not future-live. [2024-11-09 00:00:24,219 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:00:35,157 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:00:35,158 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:00:35,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:35 BoogieIcfgContainer [2024-11-09 00:00:35,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:00:35,160 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:00:35,160 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:00:35,172 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:00:35,172 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:35" (1/1) ... [2024-11-09 00:00:35,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:00:35,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:35,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:00:35,242 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:00:35,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:00:35,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:35,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:43,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:53,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:01:04,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:01:05,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:01:09,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:01:19,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:01:19,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:19,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-09 00:01:19,161 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-09 00:01:19,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:01:19,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:19,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:02:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:02:34,371 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) [2024-11-09 00:02:34,375 INFO L158 Benchmark]: Toolchain (without parser) took 141006.73ms. Allocated memory was 127.9MB in the beginning and 4.5GB in the end (delta: 4.4GB). Free memory was 83.8MB in the beginning and 3.6GB in the end (delta: -3.6GB). Peak memory consumption was 838.5MB. Max. memory is 16.1GB. [2024-11-09 00:02:34,376 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:02:34,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1218.04ms. Allocated memory was 127.9MB in the beginning and 184.5MB in the end (delta: 56.6MB). Free memory was 83.3MB in the beginning and 111.2MB in the end (delta: -27.9MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2024-11-09 00:02:34,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 798.88ms. Allocated memory was 184.5MB in the beginning and 348.1MB in the end (delta: 163.6MB). Free memory was 111.2MB in the beginning and 219.5MB in the end (delta: -108.3MB). Peak memory consumption was 114.0MB. Max. memory is 16.1GB. [2024-11-09 00:02:34,379 INFO L158 Benchmark]: Boogie Preprocessor took 838.03ms. Allocated memory is still 348.1MB. Free memory was 219.5MB in the beginning and 195.4MB in the end (delta: 24.1MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-09 00:02:34,380 INFO L158 Benchmark]: RCFGBuilder took 18928.78ms. Allocated memory was 348.1MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 195.4MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 736.2MB. Max. memory is 16.1GB. [2024-11-09 00:02:34,381 INFO L158 Benchmark]: CodeCheck took 119213.99ms. Allocated memory was 2.4GB in the beginning and 4.5GB in the end (delta: 2.1GB). Free memory was 2.1GB in the beginning and 3.6GB in the end (delta: -1.6GB). Peak memory consumption was 539.1MB. Max. memory is 16.1GB. [2024-11-09 00:02:34,386 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 0.33ms. Allocated memory is still 127.9MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1218.04ms. Allocated memory was 127.9MB in the beginning and 184.5MB in the end (delta: 56.6MB). Free memory was 83.3MB in the beginning and 111.2MB in the end (delta: -27.9MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 798.88ms. Allocated memory was 184.5MB in the beginning and 348.1MB in the end (delta: 163.6MB). Free memory was 111.2MB in the beginning and 219.5MB in the end (delta: -108.3MB). Peak memory consumption was 114.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 838.03ms. Allocated memory is still 348.1MB. Free memory was 219.5MB in the beginning and 195.4MB in the end (delta: 24.1MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * RCFGBuilder took 18928.78ms. Allocated memory was 348.1MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 195.4MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 736.2MB. Max. memory is 16.1GB. * CodeCheck took 119213.99ms. Allocated memory was 2.4GB in the beginning and 4.5GB in the end (delta: 2.1GB). Free memory was 2.1GB in the beginning and 3.6GB in the end (delta: -1.6GB). Peak memory consumption was 539.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:02:34,611 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-09 00:02:34,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk --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 222b14b2569faca05dcbf2bfc0919e64cef2d3bef8d6862959ccf7f7e6419270 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:02:37,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:02:37,570 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-09 00:02:37,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:02:37,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:02:37,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:02:37,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:02:37,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:02:37,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:02:37,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:02:37,637 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:02:37,637 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:02:37,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:02:37,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:02:37,640 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:02:37,640 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:02:37,642 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:02:37,643 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:02:37,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:02:37,643 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:02:37,644 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:02:37,648 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:02:37,648 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:02:37,648 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:37,649 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:02:37,649 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:02:37,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:37,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:02:37,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:02:37,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:02:37,650 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:02:37,651 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:37,653 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:02:37,654 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 222b14b2569faca05dcbf2bfc0919e64cef2d3bef8d6862959ccf7f7e6419270 [2024-11-09 00:02:38,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:02:38,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:02:38,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:02:38,169 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:02:38,170 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:02:38,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-09 00:02:40,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:02:40,750 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:02:40,750 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c [2024-11-09 00:02:40,773 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/data/769536fee/0dd4196f8b3f4e74aa857aee0deed4ec/FLAG5690e2d90 [2024-11-09 00:02:40,795 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/data/769536fee/0dd4196f8b3f4e74aa857aee0deed4ec [2024-11-09 00:02:40,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:02:40,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:02:40,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:02:40,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:02:40,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:02:40,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:02:40" (1/1) ... [2024-11-09 00:02:40,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aafee2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:40, skipping insertion in model container [2024-11-09 00:02:40,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:02:40" (1/1) ... [2024-11-09 00:02:40,886 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:02:41,247 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_9cb36883-32de-4fc0-a06c-2dc8cc477be1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c[1176,1189] [2024-11-09 00:02:41,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:02:41,740 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:02:41,753 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_9cb36883-32de-4fc0-a06c-2dc8cc477be1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-back-serstep.c[1176,1189] [2024-11-09 00:02:41,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:02:41,936 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:02:41,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41 WrapperNode [2024-11-09 00:02:41,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:02:41,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:02:41,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:02:41,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:02:41,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:41,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:42,107 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1670 [2024-11-09 00:02:42,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:02:42,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:02:42,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:02:42,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:02:42,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:42,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:42,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:42,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:42,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:42,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:42,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:42,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:42,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:02:42,256 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:02:42,256 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:02:42,256 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:02:42,257 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:02:41" (1/1) ... [2024-11-09 00:02:42,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:02:42,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:02:42,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:02:42,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:02:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:02:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:02:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:02:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:02:42,812 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:02:42,815 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:02:46,742 INFO L? ?]: Removed 163 outVars from TransFormulas that were not future-live. [2024-11-09 00:02:46,742 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:02:46,834 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:02:46,834 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:02:46,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:46 BoogieIcfgContainer [2024-11-09 00:02:46,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:02:46,836 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:02:46,836 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:02:46,847 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:02:46,848 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:02:46" (1/1) ... [2024-11-09 00:02:46,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:02:46,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:46,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:02:46,923 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:02:46,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:02:46,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:46,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:46,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:02:46,932 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:02:46,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:02:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:47,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:02:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:47,933 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:02:47,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:02:48,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:02:49,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:02:49,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-09 00:02:49,321 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-09 00:02:49,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:02:49,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:02:49,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:02:49,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:02:49,327 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:02:49,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cb36883-32de-4fc0-a06c-2dc8cc477be1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:02:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:51,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:02:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:02:51,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-09 00:02:51,705 INFO L278 TraceCheckSpWp]: Computing forward predicates...