./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/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_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/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_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/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 2f62226d73e0e183857d998fb902bf54be9131b3acae6a442e91dae883f96d96 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:47:40,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:47:40,822 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 22:47:40,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:47:40,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:47:40,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:47:40,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:47:40,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:47:40,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:47:40,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:47:40,877 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:47:40,877 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:47:40,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:47:40,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:47:40,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:47:40,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:47:40,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:47:40,882 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:47:40,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:47:40,883 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:47:40,883 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:47:40,887 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:47:40,887 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:47:40,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:47:40,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:47:40,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:47:40,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:47:40,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:47:40,889 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:47:40,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:47:40,890 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_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f62226d73e0e183857d998fb902bf54be9131b3acae6a442e91dae883f96d96 [2024-11-08 22:47:41,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:47:41,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:47:41,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:47:41,201 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:47:41,201 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:47:41,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 22:47:43,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:47:43,610 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:47:43,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c [2024-11-08 22:47:43,624 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/data/51195e4e1/70a961c9165d428e82255873de177100/FLAG2a9a6c144 [2024-11-08 22:47:43,642 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/data/51195e4e1/70a961c9165d428e82255873de177100 [2024-11-08 22:47:43,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:47:43,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:47:43,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:47:43,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:47:43,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:47:43,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:47:43" (1/1) ... [2024-11-08 22:47:43,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6abc69a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:43, skipping insertion in model container [2024-11-08 22:47:43,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:47:43" (1/1) ... [2024-11-08 22:47:43,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:47:43,906 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_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c[1174,1187] [2024-11-08 22:47:44,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:47:44,189 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:47:44,201 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_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c[1174,1187] [2024-11-08 22:47:44,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:47:44,345 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:47:44,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:44 WrapperNode [2024-11-08 22:47:44,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:47:44,348 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:47:44,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:47:44,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:47:44,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:44" (1/1) ... [2024-11-08 22:47:44,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:44" (1/1) ... [2024-11-08 22:47:44,644 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1950 [2024-11-08 22:47:44,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:47:44,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:47:44,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:47:44,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:47:44,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:44" (1/1) ... [2024-11-08 22:47:44,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:44" (1/1) ... [2024-11-08 22:47:44,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:44" (1/1) ... [2024-11-08 22:47:44,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:44" (1/1) ... [2024-11-08 22:47:44,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:44" (1/1) ... [2024-11-08 22:47:44,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:44" (1/1) ... [2024-11-08 22:47:44,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:44" (1/1) ... [2024-11-08 22:47:44,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:44" (1/1) ... [2024-11-08 22:47:44,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:47:44,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:47:44,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:47:44,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:47:44,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:47:44" (1/1) ... [2024-11-08 22:47:44,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:47:44,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:47:44,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:47:44,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:47:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:47:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:47:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:47:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:47:45,245 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:47:45,248 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:47:48,116 INFO L? ?]: Removed 993 outVars from TransFormulas that were not future-live. [2024-11-08 22:47:48,117 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:47:51,505 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:47:51,505 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:47:51,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:51 BoogieIcfgContainer [2024-11-08 22:47:51,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:47:51,507 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:47:51,507 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:47:51,517 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:47:51,517 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:47:51" (1/1) ... [2024-11-08 22:47:51,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:47:51,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:51,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:47:51,577 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:47:51,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:47:51,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:51,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:54,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:48:04,585 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 [] [2024-11-08 22:48:14,603 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 [] [2024-11-08 22:48:15,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:15,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 22:48:15,540 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 22:48:15,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:48:15,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:15,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:48:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:48:28,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:48:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:48:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:48:46,871 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) [2024-11-08 22:48:46,875 INFO L158 Benchmark]: Toolchain (without parser) took 63228.38ms. Allocated memory was 226.5MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 182.4MB in the beginning and 1.1GB in the end (delta: -929.4MB). Peak memory consumption was 800.6MB. Max. memory is 16.1GB. [2024-11-08 22:48:46,875 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:48:46,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 699.13ms. Allocated memory is still 226.5MB. Free memory was 182.4MB in the beginning and 149.7MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-08 22:48:46,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 296.98ms. Allocated memory is still 226.5MB. Free memory was 149.7MB in the beginning and 104.9MB in the end (delta: 44.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-08 22:48:46,877 INFO L158 Benchmark]: Boogie Preprocessor took 235.75ms. Allocated memory is still 226.5MB. Free memory was 104.9MB in the beginning and 87.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:48:46,878 INFO L158 Benchmark]: RCFGBuilder took 6624.09ms. Allocated memory was 226.5MB in the beginning and 478.2MB in the end (delta: 251.7MB). Free memory was 87.6MB in the beginning and 214.0MB in the end (delta: -126.5MB). Peak memory consumption was 217.8MB. Max. memory is 16.1GB. [2024-11-08 22:48:46,879 INFO L158 Benchmark]: CodeCheck took 55366.99ms. Allocated memory was 478.2MB in the beginning and 1.2GB in the end (delta: 771.8MB). Free memory was 214.0MB in the beginning and 1.1GB in the end (delta: -897.8MB). Peak memory consumption was 580.7MB. Max. memory is 16.1GB. [2024-11-08 22:48:46,882 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 0.32ms. Allocated memory is still 138.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 699.13ms. Allocated memory is still 226.5MB. Free memory was 182.4MB in the beginning and 149.7MB in the end (delta: 32.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 296.98ms. Allocated memory is still 226.5MB. Free memory was 149.7MB in the beginning and 104.9MB in the end (delta: 44.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 235.75ms. Allocated memory is still 226.5MB. Free memory was 104.9MB in the beginning and 87.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6624.09ms. Allocated memory was 226.5MB in the beginning and 478.2MB in the end (delta: 251.7MB). Free memory was 87.6MB in the beginning and 214.0MB in the end (delta: -126.5MB). Peak memory consumption was 217.8MB. Max. memory is 16.1GB. * CodeCheck took 55366.99ms. Allocated memory was 478.2MB in the beginning and 1.2GB in the end (delta: 771.8MB). Free memory was 214.0MB in the beginning and 1.1GB in the end (delta: -897.8MB). Peak memory consumption was 580.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:48:46,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/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_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/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_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/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 2f62226d73e0e183857d998fb902bf54be9131b3acae6a442e91dae883f96d96 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:48:49,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:48:49,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 22:48:49,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:48:49,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:48:49,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:48:49,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:48:49,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:48:49,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:48:49,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:48:49,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:48:49,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:48:49,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:48:49,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:48:49,371 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:48:49,371 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:48:49,372 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:48:49,372 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:48:49,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:48:49,374 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:48:49,375 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:48:49,375 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:48:49,376 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:48:49,376 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:49,376 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:48:49,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:48:49,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:48:49,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:48:49,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:48:49,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:48:49,379 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:48:49,380 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:49,380 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:48:49,381 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_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f62226d73e0e183857d998fb902bf54be9131b3acae6a442e91dae883f96d96 [2024-11-08 22:48:49,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:48:49,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:48:49,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:48:49,820 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:48:49,821 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:48:49,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 22:48:51,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:48:52,248 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:48:52,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c [2024-11-08 22:48:52,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/data/49f6b02d5/95e00f343505485aa23839a8d1031e26/FLAGfe3607d69 [2024-11-08 22:48:52,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/data/49f6b02d5/95e00f343505485aa23839a8d1031e26 [2024-11-08 22:48:52,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:48:52,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:48:52,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:48:52,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:48:52,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:48:52,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:48:52" (1/1) ... [2024-11-08 22:48:52,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a957f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:52, skipping insertion in model container [2024-11-08 22:48:52,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:48:52" (1/1) ... [2024-11-08 22:48:52,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:48:52,765 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_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c[1174,1187] [2024-11-08 22:48:52,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:48:52,949 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:48:52,985 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c[1174,1187] [2024-11-08 22:48:53,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:48:53,125 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:48:53,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:53 WrapperNode [2024-11-08 22:48:53,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:48:53,127 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:48:53,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:48:53,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:48:53,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:53" (1/1) ... [2024-11-08 22:48:53,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:53" (1/1) ... [2024-11-08 22:48:53,204 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 574 [2024-11-08 22:48:53,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:48:53,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:48:53,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:48:53,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:48:53,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:53" (1/1) ... [2024-11-08 22:48:53,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:53" (1/1) ... [2024-11-08 22:48:53,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:53" (1/1) ... [2024-11-08 22:48:53,228 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:53" (1/1) ... [2024-11-08 22:48:53,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:53" (1/1) ... [2024-11-08 22:48:53,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:53" (1/1) ... [2024-11-08 22:48:53,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:53" (1/1) ... [2024-11-08 22:48:53,273 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:53" (1/1) ... [2024-11-08 22:48:53,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:48:53,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:48:53,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:48:53,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:48:53,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:53" (1/1) ... [2024-11-08 22:48:53,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:48:53,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:48:53,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:48:53,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:48:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:48:53,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:48:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:48:53,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:48:53,606 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:48:53,609 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:48:54,627 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-08 22:48:54,627 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:48:54,681 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:48:54,681 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:48:54,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:48:54 BoogieIcfgContainer [2024-11-08 22:48:54,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:48:54,682 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:48:54,683 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:48:54,693 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:48:54,693 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:48:54" (1/1) ... [2024-11-08 22:48:54,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:48:54,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:54,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:48:54,779 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:48:54,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:48:54,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:54,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:54,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:54,786 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:54,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:48:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:55,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:55,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:48:55,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:48:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:48:55,384 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:48:55,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:48:55,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:55,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 22:48:55,531 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 22:48:55,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:48:55,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:55,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:55,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:55,537 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:55,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4013e5c-6e5b-4e04-a563-f9b86c67a1bd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:48:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:56,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:48:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:56,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 22:48:56,236 INFO L278 TraceCheckSpWp]: Computing forward predicates...