./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.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_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/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_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/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_011f31a3-76a5-482f-ad35-e978da7b5b90/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 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:19:44,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:19:45,002 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-09 00:19:45,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:19:45,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:19:45,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:19:45,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:19:45,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:19:45,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:19:45,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:19:45,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:19:45,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:19:45,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:19:45,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:19:45,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:19:45,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:19:45,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:19:45,058 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:19:45,058 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:19:45,058 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:19:45,058 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:19:45,063 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:19:45,063 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:19:45,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:19:45,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:19:45,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:19:45,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:19:45,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:19:45,065 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:19:45,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:19:45,066 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_011f31a3-76a5-482f-ad35-e978da7b5b90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b [2024-11-09 00:19:45,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:19:45,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:19:45,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:19:45,369 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:19:45,370 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:19:45,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-09 00:19:47,291 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:19:47,646 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:19:47,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c [2024-11-09 00:19:47,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/data/7b2872328/e2518c37a53b469b90707d41a4a5a981/FLAG0a21763fb [2024-11-09 00:19:47,898 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/data/7b2872328/e2518c37a53b469b90707d41a4a5a981 [2024-11-09 00:19:47,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:19:47,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:19:47,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:19:47,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:19:47,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:19:47,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:47" (1/1) ... [2024-11-09 00:19:47,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca6efde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:47, skipping insertion in model container [2024-11-09 00:19:47,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:47" (1/1) ... [2024-11-09 00:19:47,999 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:19:48,267 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_011f31a3-76a5-482f-ad35-e978da7b5b90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1173,1186] [2024-11-09 00:19:48,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:19:48,740 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:19:48,749 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_011f31a3-76a5-482f-ad35-e978da7b5b90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1173,1186] [2024-11-09 00:19:49,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:19:49,023 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:19:49,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49 WrapperNode [2024-11-09 00:19:49,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:19:49,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:19:49,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:19:49,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:19:49,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:49,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:49,745 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4300 [2024-11-09 00:19:49,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:19:49,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:19:49,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:19:49,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:19:49,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:49,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:49,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:49,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:50,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:50,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:50,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:50,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:50,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:19:50,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:19:50,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:19:50,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:19:50,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:50,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:19:50,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:19:50,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:19:50,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:19:50,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:19:50,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:19:50,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:19:50,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:19:50,951 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:19:50,953 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:19:57,117 INFO L? ?]: Removed 2420 outVars from TransFormulas that were not future-live. [2024-11-09 00:19:57,117 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:20:04,863 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:20:04,864 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:20:04,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:20:04 BoogieIcfgContainer [2024-11-09 00:20:04,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:20:04,865 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:20:04,866 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:20:04,876 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:20:04,876 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:20:04" (1/1) ... [2024-11-09 00:20:04,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:20:04,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:04,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:20:04,953 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:20:04,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:20:04,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:04,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:20:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:09,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:20:19,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:20:29,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:20:32,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:20:39,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:20:39,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-09 00:20:39,652 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-09 00:20:39,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:20:39,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:39,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:21:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:21:23,609 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:22:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:22:11,626 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 00:22:11,630 INFO L158 Benchmark]: Toolchain (without parser) took 143728.21ms. Allocated memory was 159.4MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 123.4MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-09 00:22:11,631 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 111.1MB. Free memory was 87.1MB in the beginning and 87.0MB in the end (delta: 72.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:22:11,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1121.93ms. Allocated memory is still 159.4MB. Free memory was 123.0MB in the beginning and 109.1MB in the end (delta: 13.9MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2024-11-09 00:22:11,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 720.07ms. Allocated memory was 159.4MB in the beginning and 316.7MB in the end (delta: 157.3MB). Free memory was 109.1MB in the beginning and 213.4MB in the end (delta: -104.3MB). Peak memory consumption was 101.7MB. Max. memory is 16.1GB. [2024-11-09 00:22:11,633 INFO L158 Benchmark]: Boogie Preprocessor took 595.96ms. Allocated memory is still 316.7MB. Free memory was 213.4MB in the beginning and 180.7MB in the end (delta: 32.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-09 00:22:11,634 INFO L158 Benchmark]: RCFGBuilder took 14520.55ms. Allocated memory was 316.7MB in the beginning and 994.1MB in the end (delta: 677.4MB). Free memory was 179.8MB in the beginning and 526.7MB in the end (delta: -346.9MB). Peak memory consumption was 534.8MB. Max. memory is 16.1GB. [2024-11-09 00:22:11,635 INFO L158 Benchmark]: CodeCheck took 126763.92ms. Allocated memory was 994.1MB in the beginning and 3.3GB in the end (delta: 2.3GB). Free memory was 526.7MB in the beginning and 1.9GB in the end (delta: -1.4GB). Peak memory consumption was 895.3MB. Max. memory is 16.1GB. [2024-11-09 00:22:11,638 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 0.65ms. Allocated memory is still 111.1MB. Free memory was 87.1MB in the beginning and 87.0MB in the end (delta: 72.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1121.93ms. Allocated memory is still 159.4MB. Free memory was 123.0MB in the beginning and 109.1MB in the end (delta: 13.9MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 720.07ms. Allocated memory was 159.4MB in the beginning and 316.7MB in the end (delta: 157.3MB). Free memory was 109.1MB in the beginning and 213.4MB in the end (delta: -104.3MB). Peak memory consumption was 101.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 595.96ms. Allocated memory is still 316.7MB. Free memory was 213.4MB in the beginning and 180.7MB in the end (delta: 32.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * RCFGBuilder took 14520.55ms. Allocated memory was 316.7MB in the beginning and 994.1MB in the end (delta: 677.4MB). Free memory was 179.8MB in the beginning and 526.7MB in the end (delta: -346.9MB). Peak memory consumption was 534.8MB. Max. memory is 16.1GB. * CodeCheck took 126763.92ms. Allocated memory was 994.1MB in the beginning and 3.3GB in the end (delta: 2.3GB). Free memory was 526.7MB in the beginning and 1.9GB in the end (delta: -1.4GB). Peak memory consumption was 895.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:22:11,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/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_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/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_011f31a3-76a5-482f-ad35-e978da7b5b90/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 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:22:14,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:22:14,310 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-09 00:22:14,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:22:14,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:22:14,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:22:14,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:22:14,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:22:14,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:22:14,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:22:14,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:22:14,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:22:14,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:22:14,343 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:22:14,343 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:22:14,344 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:22:14,344 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:22:14,345 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:22:14,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:22:14,345 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:22:14,346 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:22:14,346 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:22:14,347 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:22:14,347 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:14,348 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:22:14,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:22:14,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:22:14,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:22:14,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:22:14,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:22:14,350 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:22:14,350 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:14,351 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:22:14,351 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_011f31a3-76a5-482f-ad35-e978da7b5b90/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7143dec5e5a119cd393568649ad04fd7131f2f61be93614cd5a709dded4cf40b [2024-11-09 00:22:14,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:22:14,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:22:14,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:22:14,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:22:14,763 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:22:14,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-09 00:22:17,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:22:17,393 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:22:17,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c [2024-11-09 00:22:17,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/data/eb2c8ce0e/85bfefa4cc9f47eca6ec792319a27262/FLAG8bb8b8af7 [2024-11-09 00:22:17,641 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/data/eb2c8ce0e/85bfefa4cc9f47eca6ec792319a27262 [2024-11-09 00:22:17,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:22:17,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:22:17,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:22:17,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:22:17,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:22:17,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:22:17" (1/1) ... [2024-11-09 00:22:17,655 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12946502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:17, skipping insertion in model container [2024-11-09 00:22:17,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:22:17" (1/1) ... [2024-11-09 00:22:17,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:22:18,042 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_011f31a3-76a5-482f-ad35-e978da7b5b90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1173,1186] [2024-11-09 00:22:18,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:18,444 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:22:18,457 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_011f31a3-76a5-482f-ad35-e978da7b5b90/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-back-serstep.c[1173,1186] [2024-11-09 00:22:18,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:18,577 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:22:18,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:18 WrapperNode [2024-11-09 00:22:18,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:22:18,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:22:18,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:22:18,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:22:18,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:18" (1/1) ... [2024-11-09 00:22:18,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:18" (1/1) ... [2024-11-09 00:22:18,747 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1556 [2024-11-09 00:22:18,747 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:22:18,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:22:18,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:22:18,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:22:18,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:18" (1/1) ... [2024-11-09 00:22:18,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:18" (1/1) ... [2024-11-09 00:22:18,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:18" (1/1) ... [2024-11-09 00:22:18,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:18" (1/1) ... [2024-11-09 00:22:18,804 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:18" (1/1) ... [2024-11-09 00:22:18,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:18" (1/1) ... [2024-11-09 00:22:18,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:18" (1/1) ... [2024-11-09 00:22:18,824 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:18" (1/1) ... [2024-11-09 00:22:18,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:22:18,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:22:18,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:22:18,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:22:18,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:18" (1/1) ... [2024-11-09 00:22:18,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:22:18,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:22:18,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:22:18,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:22:18,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:22:18,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:22:18,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:22:18,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:22:19,330 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:22:19,333 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:22:21,741 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-11-09 00:22:21,741 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:22:21,828 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:22:21,829 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:22:21,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:21 BoogieIcfgContainer [2024-11-09 00:22:21,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:22:21,830 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:22:21,830 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:22:21,841 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:22:21,841 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:21" (1/1) ... [2024-11-09 00:22:21,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:22:21,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:21,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:22:21,907 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:22:21,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:22:21,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:21,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:21,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:21,918 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:21,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:22:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:22,641 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:22,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:22:22,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:22,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:22:22,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:22:23,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:23,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-09 00:22:23,291 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-09 00:22:23,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:22:23,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:23,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:23,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:23,295 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:23,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_011f31a3-76a5-482f-ad35-e978da7b5b90/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:22:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:24,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:24,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 00:22:24,821 INFO L278 TraceCheckSpWp]: Computing forward predicates...