./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/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_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/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_3febeac1-a698-4468-9073-a21b65b4fdbe/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 cafa0fbe73779f675de2a2b2a18526b0e65b5b3074aaab9b00000d8008efcde3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:41:47,562 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:41:47,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:41:47,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:41:47,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:41:47,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:41:47,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:41:47,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:41:47,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:41:47,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:41:47,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:41:47,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:41:47,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:41:47,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:41:47,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:41:47,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:41:47,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:41:47,716 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:41:47,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:41:47,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:41:47,721 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:41:47,722 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:41:47,722 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:41:47,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:41:47,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:41:47,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:41:47,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:41:47,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:41:47,726 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:41:47,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:41:47,726 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_3febeac1-a698-4468-9073-a21b65b4fdbe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cafa0fbe73779f675de2a2b2a18526b0e65b5b3074aaab9b00000d8008efcde3 [2024-11-08 23:41:48,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:41:48,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:41:48,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:41:48,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:41:48,105 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:41:48,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:41:50,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:41:50,526 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:41:50,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c [2024-11-08 23:41:50,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/data/5307f7512/36f375bd30904f4095a9fcfdf1537f7d/FLAGd87b13d2a [2024-11-08 23:41:50,572 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/data/5307f7512/36f375bd30904f4095a9fcfdf1537f7d [2024-11-08 23:41:50,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:41:50,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:41:50,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:41:50,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:41:50,587 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:41:50,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:41:50" (1/1) ... [2024-11-08 23:41:50,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@498f87d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:50, skipping insertion in model container [2024-11-08 23:41:50,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:41:50" (1/1) ... [2024-11-08 23:41:50,659 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:41:50,909 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_3febeac1-a698-4468-9073-a21b65b4fdbe/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c[1172,1185] [2024-11-08 23:41:51,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:41:51,436 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:41:51,450 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_3febeac1-a698-4468-9073-a21b65b4fdbe/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c[1172,1185] [2024-11-08 23:41:51,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:41:51,780 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:41:51,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:51 WrapperNode [2024-11-08 23:41:51,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:41:51,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:41:51,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:41:51,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:41:51,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:51" (1/1) ... [2024-11-08 23:41:51,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:51" (1/1) ... [2024-11-08 23:41:52,391 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3640 [2024-11-08 23:41:52,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:41:52,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:41:52,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:41:52,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:41:52,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:51" (1/1) ... [2024-11-08 23:41:52,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:51" (1/1) ... [2024-11-08 23:41:52,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:51" (1/1) ... [2024-11-08 23:41:52,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:51" (1/1) ... [2024-11-08 23:41:52,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:51" (1/1) ... [2024-11-08 23:41:52,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:51" (1/1) ... [2024-11-08 23:41:52,730 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:51" (1/1) ... [2024-11-08 23:41:52,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:51" (1/1) ... [2024-11-08 23:41:52,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:41:52,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:41:52,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:41:52,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:41:52,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:41:51" (1/1) ... [2024-11-08 23:41:52,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:41:52,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:41:52,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:41:52,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:41:52,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:41:52,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:41:52,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:41:52,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:41:53,510 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:41:53,512 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:41:59,091 INFO L? ?]: Removed 2246 outVars from TransFormulas that were not future-live. [2024-11-08 23:41:59,092 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:42:07,758 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:42:07,758 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:42:07,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:07 BoogieIcfgContainer [2024-11-08 23:42:07,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:42:07,761 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:42:07,761 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:42:07,777 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:42:07,777 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:07" (1/1) ... [2024-11-08 23:42:07,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:42:07,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:07,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:42:07,884 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:42:07,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:42:07,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:07,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:13,152 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 23:42:23,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:42:33,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:42:36,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:42:36,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:36,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 23:42:36,257 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 23:42:36,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:42:36,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:36,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:43:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:43:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:43:58,980 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 23:43:58,988 INFO L158 Benchmark]: Toolchain (without parser) took 128410.46ms. Allocated memory was 159.4MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 117.6MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-08 23:43:58,988 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 159.4MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:43:58,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1200.48ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 117.6MB in the beginning and 183.8MB in the end (delta: -66.2MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. [2024-11-08 23:43:58,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 610.09ms. Allocated memory is still 232.8MB. Free memory was 183.8MB in the beginning and 139.4MB in the end (delta: 44.4MB). Peak memory consumption was 128.6MB. Max. memory is 16.1GB. [2024-11-08 23:43:58,992 INFO L158 Benchmark]: Boogie Preprocessor took 459.96ms. Allocated memory is still 232.8MB. Free memory was 139.4MB in the beginning and 105.1MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-08 23:43:58,995 INFO L158 Benchmark]: RCFGBuilder took 14905.03ms. Allocated memory was 232.8MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 105.1MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 517.4MB. Max. memory is 16.1GB. [2024-11-08 23:43:58,999 INFO L158 Benchmark]: CodeCheck took 111226.42ms. Allocated memory was 1.7GB in the beginning and 3.2GB in the end (delta: 1.5GB). Free memory was 1.3GB in the beginning and 1.8GB in the end (delta: -528.8MB). Peak memory consumption was 988.5MB. Max. memory is 16.1GB. [2024-11-08 23:43:59,006 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 0.37ms. Allocated memory is still 159.4MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1200.48ms. Allocated memory was 159.4MB in the beginning and 232.8MB in the end (delta: 73.4MB). Free memory was 117.6MB in the beginning and 183.8MB in the end (delta: -66.2MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 610.09ms. Allocated memory is still 232.8MB. Free memory was 183.8MB in the beginning and 139.4MB in the end (delta: 44.4MB). Peak memory consumption was 128.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 459.96ms. Allocated memory is still 232.8MB. Free memory was 139.4MB in the beginning and 105.1MB in the end (delta: 34.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * RCFGBuilder took 14905.03ms. Allocated memory was 232.8MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 105.1MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 517.4MB. Max. memory is 16.1GB. * CodeCheck took 111226.42ms. Allocated memory was 1.7GB in the beginning and 3.2GB in the end (delta: 1.5GB). Free memory was 1.3GB in the beginning and 1.8GB in the end (delta: -528.8MB). Peak memory consumption was 988.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:43:59,237 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-08 23:43:59,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/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_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/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_3febeac1-a698-4468-9073-a21b65b4fdbe/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 cafa0fbe73779f675de2a2b2a18526b0e65b5b3074aaab9b00000d8008efcde3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:44:02,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:44:02,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:44:02,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:44:02,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:44:02,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:44:02,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:44:02,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:44:02,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:44:02,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:44:02,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:44:02,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:44:02,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:44:02,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:44:02,456 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:44:02,459 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:44:02,460 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:44:02,463 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:44:02,464 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:44:02,464 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:44:02,465 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:44:02,465 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:44:02,466 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:44:02,466 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:02,467 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:44:02,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:44:02,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:02,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:44:02,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:44:02,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:44:02,469 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:44:02,472 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:02,472 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:44:02,472 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_3febeac1-a698-4468-9073-a21b65b4fdbe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cafa0fbe73779f675de2a2b2a18526b0e65b5b3074aaab9b00000d8008efcde3 [2024-11-08 23:44:03,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:44:03,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:44:03,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:44:03,064 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:44:03,065 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:44:03,067 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:44:05,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:44:06,501 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:44:06,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c [2024-11-08 23:44:06,531 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/data/1f5d687a7/8bf5b858b7044fa68d093866ce21f797/FLAGb1bebc3a8 [2024-11-08 23:44:06,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/data/1f5d687a7/8bf5b858b7044fa68d093866ce21f797 [2024-11-08 23:44:06,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:44:06,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:44:06,575 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:06,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:44:06,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:44:06,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:06" (1/1) ... [2024-11-08 23:44:06,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aca620e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:06, skipping insertion in model container [2024-11-08 23:44:06,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:06" (1/1) ... [2024-11-08 23:44:06,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:44:07,126 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_3febeac1-a698-4468-9073-a21b65b4fdbe/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c[1172,1185] [2024-11-08 23:44:07,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:07,615 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:44:07,634 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_3febeac1-a698-4468-9073-a21b65b4fdbe/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.2.prop1-back-serstep.c[1172,1185] [2024-11-08 23:44:07,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:07,861 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:44:07,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07 WrapperNode [2024-11-08 23:44:07,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:07,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:07,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:44:07,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:44:07,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:07,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:08,059 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1592 [2024-11-08 23:44:08,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:08,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:44:08,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:44:08,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:44:08,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:08,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:08,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:08,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:08,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:08,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:08,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:08,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:08,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:44:08,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:44:08,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:44:08,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:44:08,225 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:07" (1/1) ... [2024-11-08 23:44:08,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:08,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:44:08,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:44:08,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:44:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:44:08,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:44:08,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:44:08,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:44:08,976 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:44:08,979 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:44:13,870 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-08 23:44:13,871 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:44:13,995 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:44:13,995 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:44:13,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:13 BoogieIcfgContainer [2024-11-08 23:44:13,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:44:13,997 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:44:13,997 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:44:14,008 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:44:14,009 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:13" (1/1) ... [2024-11-08 23:44:14,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:44:14,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:14,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:44:14,087 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:44:14,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:44:14,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:14,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:14,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:14,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:14,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:44:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:14,853 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:15,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:44:15,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:15,165 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 23:44:15,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:44:15,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:15,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 23:44:15,620 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 23:44:15,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:44:15,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:15,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:15,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:15,626 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:15,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3febeac1-a698-4468-9073-a21b65b4fdbe/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:44:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:17,036 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:17,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 23:44:17,635 INFO L278 TraceCheckSpWp]: Computing forward predicates...