./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.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_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/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_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/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_5805326b-8878-4e4e-b717-726a423fb556/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 910053966829413301ad38c19b53ab3e8d14b6c38695934fe145e036ec55306d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:42:29,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:42:29,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:42:29,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:42:29,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:42:29,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:42:29,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:42:29,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:42:29,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:42:29,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:42:29,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:42:29,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:42:29,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:42:29,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:42:29,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:42:29,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:42:29,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:42:29,805 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:42:29,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:42:29,806 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:42:29,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:42:29,807 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:42:29,807 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:42:29,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:42:29,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:42:29,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:42:29,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:42:29,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:42:29,809 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:42:29,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:42:29,809 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_5805326b-8878-4e4e-b717-726a423fb556/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 910053966829413301ad38c19b53ab3e8d14b6c38695934fe145e036ec55306d [2024-11-08 23:42:30,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:42:30,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:42:30,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:42:30,139 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:42:30,139 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:42:30,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:42:32,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:42:32,562 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:42:32,563 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c [2024-11-08 23:42:32,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/data/f3fd8cfb5/cb999c701fee40129bf4850b87c73cd8/FLAG7d008135a [2024-11-08 23:42:32,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/data/f3fd8cfb5/cb999c701fee40129bf4850b87c73cd8 [2024-11-08 23:42:32,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:42:32,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:42:32,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:42:32,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:42:32,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:42:32,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:42:32" (1/1) ... [2024-11-08 23:42:32,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c912b8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:32, skipping insertion in model container [2024-11-08 23:42:32,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:42:32" (1/1) ... [2024-11-08 23:42:32,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:42:32,995 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_5805326b-8878-4e4e-b717-726a423fb556/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c[1174,1187] [2024-11-08 23:42:33,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:42:33,788 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:42:33,801 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_5805326b-8878-4e4e-b717-726a423fb556/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c[1174,1187] [2024-11-08 23:42:34,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:42:34,033 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:42:34,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:34 WrapperNode [2024-11-08 23:42:34,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:42:34,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:42:34,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:42:34,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:42:34,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:34" (1/1) ... [2024-11-08 23:42:34,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:34" (1/1) ... [2024-11-08 23:42:35,053 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6210 [2024-11-08 23:42:35,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:42:35,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:42:35,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:42:35,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:42:35,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:34" (1/1) ... [2024-11-08 23:42:35,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:34" (1/1) ... [2024-11-08 23:42:35,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:34" (1/1) ... [2024-11-08 23:42:35,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:34" (1/1) ... [2024-11-08 23:42:35,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:34" (1/1) ... [2024-11-08 23:42:35,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:34" (1/1) ... [2024-11-08 23:42:35,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:34" (1/1) ... [2024-11-08 23:42:36,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:34" (1/1) ... [2024-11-08 23:42:36,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:42:36,250 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:42:36,250 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:42:36,250 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:42:36,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:34" (1/1) ... [2024-11-08 23:42:36,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:42:36,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:42:36,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:42:36,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:42:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:42:36,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:42:36,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:42:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:42:36,931 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:42:36,934 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:42:44,729 INFO L? ?]: Removed 3702 outVars from TransFormulas that were not future-live. [2024-11-08 23:42:44,730 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:42:56,012 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:42:56,012 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:42:56,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:56 BoogieIcfgContainer [2024-11-08 23:42:56,013 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:42:56,014 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:42:56,014 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:42:56,027 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:42:56,027 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:56" (1/1) ... [2024-11-08 23:42:56,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:42:56,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:56,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:42:56,122 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:42:56,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:42:56,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:56,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:59,522 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 23:43:09,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:43:19,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:43:21,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:43:25,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:43:25,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:25,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 23:43:25,485 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 23:43:25,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:43:25,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:25,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:44:57,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:46:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:47:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:47:06,170 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 23:47:06,177 INFO L158 Benchmark]: Toolchain (without parser) took 273553.61ms. Allocated memory was 159.4MB in the beginning and 6.2GB in the end (delta: 6.1GB). Free memory was 124.8MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 3.9GB. Max. memory is 16.1GB. [2024-11-08 23:47:06,181 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory was 92.7MB in the beginning and 92.6MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:47:06,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1409.37ms. Allocated memory is still 159.4MB. Free memory was 124.8MB in the beginning and 67.4MB in the end (delta: 57.4MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2024-11-08 23:47:06,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 1018.02ms. Allocated memory was 159.4MB in the beginning and 247.5MB in the end (delta: 88.1MB). Free memory was 67.4MB in the beginning and 94.8MB in the end (delta: -27.4MB). Peak memory consumption was 125.4MB. Max. memory is 16.1GB. [2024-11-08 23:47:06,185 INFO L158 Benchmark]: Boogie Preprocessor took 1188.40ms. Allocated memory was 247.5MB in the beginning and 494.9MB in the end (delta: 247.5MB). Free memory was 94.8MB in the beginning and 304.4MB in the end (delta: -209.6MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2024-11-08 23:47:06,187 INFO L158 Benchmark]: RCFGBuilder took 19763.56ms. Allocated memory was 494.9MB in the beginning and 4.1GB in the end (delta: 3.6GB). Free memory was 304.4MB in the beginning and 3.7GB in the end (delta: -3.4GB). Peak memory consumption was 876.6MB. Max. memory is 16.1GB. [2024-11-08 23:47:06,189 INFO L158 Benchmark]: CodeCheck took 250161.92ms. Allocated memory was 4.1GB in the beginning and 6.2GB in the end (delta: 2.2GB). Free memory was 3.7GB in the beginning and 2.3GB in the end (delta: 1.4GB). Peak memory consumption was 3.6GB. Max. memory is 16.1GB. [2024-11-08 23:47:06,196 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 0.35ms. Allocated memory is still 121.6MB. Free memory was 92.7MB in the beginning and 92.6MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1409.37ms. Allocated memory is still 159.4MB. Free memory was 124.8MB in the beginning and 67.4MB in the end (delta: 57.4MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1018.02ms. Allocated memory was 159.4MB in the beginning and 247.5MB in the end (delta: 88.1MB). Free memory was 67.4MB in the beginning and 94.8MB in the end (delta: -27.4MB). Peak memory consumption was 125.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1188.40ms. Allocated memory was 247.5MB in the beginning and 494.9MB in the end (delta: 247.5MB). Free memory was 94.8MB in the beginning and 304.4MB in the end (delta: -209.6MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * RCFGBuilder took 19763.56ms. Allocated memory was 494.9MB in the beginning and 4.1GB in the end (delta: 3.6GB). Free memory was 304.4MB in the beginning and 3.7GB in the end (delta: -3.4GB). Peak memory consumption was 876.6MB. Max. memory is 16.1GB. * CodeCheck took 250161.92ms. Allocated memory was 4.1GB in the beginning and 6.2GB in the end (delta: 2.2GB). Free memory was 3.7GB in the beginning and 2.3GB in the end (delta: 1.4GB). Peak memory consumption was 3.6GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:47:06,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/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_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/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_5805326b-8878-4e4e-b717-726a423fb556/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 910053966829413301ad38c19b53ab3e8d14b6c38695934fe145e036ec55306d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:47:09,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:47:09,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:47:09,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:47:09,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:47:09,669 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:47:09,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:47:09,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:47:09,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:47:09,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:47:09,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:47:09,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:47:09,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:47:09,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:47:09,677 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:47:09,680 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:47:09,681 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:47:09,682 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:47:09,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:47:09,683 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:47:09,683 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:47:09,687 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:47:09,688 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:47:09,688 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:09,688 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:47:09,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:47:09,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:47:09,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:47:09,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:47:09,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:47:09,691 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:47:09,692 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:09,692 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:47:09,692 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_5805326b-8878-4e4e-b717-726a423fb556/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 910053966829413301ad38c19b53ab3e8d14b6c38695934fe145e036ec55306d [2024-11-08 23:47:10,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:47:10,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:47:10,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:47:10,290 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:47:10,294 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:47:10,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:47:13,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:47:13,577 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:47:13,579 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c [2024-11-08 23:47:13,613 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/data/e591062c1/ad43b8ddeaf848ef825b5e3e2625ee3d/FLAG77239642e [2024-11-08 23:47:13,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/data/e591062c1/ad43b8ddeaf848ef825b5e3e2625ee3d [2024-11-08 23:47:13,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:47:13,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:47:13,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:47:13,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:47:13,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:47:13,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:47:13" (1/1) ... [2024-11-08 23:47:13,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33e6b04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:13, skipping insertion in model container [2024-11-08 23:47:13,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:47:13" (1/1) ... [2024-11-08 23:47:13,778 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:47:14,113 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_5805326b-8878-4e4e-b717-726a423fb556/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c[1174,1187] [2024-11-08 23:47:14,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:47:14,799 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:47:14,816 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_5805326b-8878-4e4e-b717-726a423fb556/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.blocks.2.prop1-back-serstep.c[1174,1187] [2024-11-08 23:47:15,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:47:15,250 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:47:15,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15 WrapperNode [2024-11-08 23:47:15,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:47:15,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:47:15,253 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:47:15,253 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:47:15,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,538 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2450 [2024-11-08 23:47:15,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:47:15,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:47:15,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:47:15,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:47:15,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:47:15,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:47:15,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:47:15,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:47:15,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:47:15" (1/1) ... [2024-11-08 23:47:15,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:47:15,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:47:15,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:47:15,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:47:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:47:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:47:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:47:15,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:47:16,588 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:47:16,592 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:47:21,400 INFO L? ?]: Removed 151 outVars from TransFormulas that were not future-live. [2024-11-08 23:47:21,400 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:47:21,544 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:47:21,544 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:47:21,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:47:21 BoogieIcfgContainer [2024-11-08 23:47:21,545 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:47:21,546 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:47:21,546 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:47:21,557 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:47:21,557 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:47:21" (1/1) ... [2024-11-08 23:47:21,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:47:21,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:21,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:47:21,633 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:47:21,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:47:21,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:21,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:21,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:21,645 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:21,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:47:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:22,617 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:22,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:47:22,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:22,999 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 23:47:23,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:47:23,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:23,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 23:47:23,404 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 23:47:23,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:47:23,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:23,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:23,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:23,411 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:23,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5805326b-8878-4e4e-b717-726a423fb556/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:47:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:25,009 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:25,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-08 23:47:25,595 INFO L278 TraceCheckSpWp]: Computing forward predicates...