./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9 --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 de261829caaa0df1953271da2402cd35889e8a8421501d338dff768f617b7b50 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:03:05,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:03:05,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 04:03:05,114 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:03:05,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:03:05,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:03:05,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:03:05,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:03:05,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:03:05,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:03:05,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:03:05,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:03:05,144 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:03:05,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:03:05,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:03:05,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:03:05,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:03:05,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:03:05,147 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:03:05,147 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:03:05,148 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:03:05,149 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:03:05,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:03:05,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:03:05,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:03:05,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:03:05,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:03:05,151 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:03:05,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:03:05,152 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:03:05,153 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_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de261829caaa0df1953271da2402cd35889e8a8421501d338dff768f617b7b50 [2023-12-03 04:03:05,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:03:05,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:03:05,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:03:05,398 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:03:05,398 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:03:05,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-func-interl.c [2023-12-03 04:03:08,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:03:08,369 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:03:08,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-func-interl.c [2023-12-03 04:03:08,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/data/1b230c269/b1e6c4e0f2f146029363d59120afe72c/FLAGe94b9806c [2023-12-03 04:03:08,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/data/1b230c269/b1e6c4e0f2f146029363d59120afe72c [2023-12-03 04:03:08,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:03:08,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:03:08,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:03:08,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:03:08,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:03:08,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:03:08" (1/1) ... [2023-12-03 04:03:08,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a833014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:08, skipping insertion in model container [2023-12-03 04:03:08,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:03:08" (1/1) ... [2023-12-03 04:03:08,481 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:03:08,665 WARN L240 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_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-func-interl.c[1171,1184] [2023-12-03 04:03:08,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:03:08,993 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:03:09,005 WARN L240 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_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-func-interl.c[1171,1184] [2023-12-03 04:03:09,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:03:09,174 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:03:09,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:09 WrapperNode [2023-12-03 04:03:09,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:03:09,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:03:09,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:03:09,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:03:09,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:09" (1/1) ... [2023-12-03 04:03:09,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:09" (1/1) ... [2023-12-03 04:03:09,616 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4642 [2023-12-03 04:03:09,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:03:09,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:03:09,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:03:09,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:03:09,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:09" (1/1) ... [2023-12-03 04:03:09,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:09" (1/1) ... [2023-12-03 04:03:09,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:09" (1/1) ... [2023-12-03 04:03:09,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:09" (1/1) ... [2023-12-03 04:03:09,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:09" (1/1) ... [2023-12-03 04:03:09,910 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:09" (1/1) ... [2023-12-03 04:03:09,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:09" (1/1) ... [2023-12-03 04:03:09,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:09" (1/1) ... [2023-12-03 04:03:10,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:03:10,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:03:10,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:03:10,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:03:10,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:09" (1/1) ... [2023-12-03 04:03:10,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:03:10,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:03:10,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:03:10,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:03:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:03:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:03:10,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:03:10,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:03:10,542 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:03:10,544 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:03:13,634 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:03:20,335 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:03:20,335 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:03:20,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:03:20 BoogieIcfgContainer [2023-12-03 04:03:20,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:03:20,337 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:03:20,338 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:03:20,346 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:03:20,346 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:03:20" (1/1) ... [2023-12-03 04:03:20,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:03:20,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:03:20,401 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:03:20,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:03:20,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:20,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:03:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:03:31,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 04:03:41,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 04:03:41,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:41,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 04:03:41,991 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 04:03:41,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:03:41,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:41,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:03:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:03:53,187 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:488) 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) [2023-12-03 04:03:53,190 INFO L158 Benchmark]: Toolchain (without parser) took 44781.84ms. Allocated memory was 130.0MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 77.3MB in the beginning and 857.0MB in the end (delta: -779.7MB). Peak memory consumption was 864.4MB. Max. memory is 16.1GB. [2023-12-03 04:03:53,191 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:03:53,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 764.78ms. Allocated memory is still 130.0MB. Free memory was 77.0MB in the beginning and 78.9MB in the end (delta: -1.8MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2023-12-03 04:03:53,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 442.09ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 78.9MB in the beginning and 61.2MB in the end (delta: 17.7MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2023-12-03 04:03:53,193 INFO L158 Benchmark]: Boogie Preprocessor took 497.71ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 61.2MB in the beginning and 128.5MB in the end (delta: -67.4MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-12-03 04:03:53,194 INFO L158 Benchmark]: RCFGBuilder took 10220.57ms. Allocated memory was 249.6MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 128.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 623.5MB. Max. memory is 16.1GB. [2023-12-03 04:03:53,195 INFO L158 Benchmark]: CodeCheck took 32851.78ms. Allocated memory is still 1.8GB. Free memory was 1.2GB in the beginning and 857.0MB in the end (delta: 382.7MB). Peak memory consumption was 383.8MB. Max. memory is 16.1GB. [2023-12-03 04:03:53,199 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 764.78ms. Allocated memory is still 130.0MB. Free memory was 77.0MB in the beginning and 78.9MB in the end (delta: -1.8MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 442.09ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 78.9MB in the beginning and 61.2MB in the end (delta: 17.7MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 497.71ms. Allocated memory was 163.6MB in the beginning and 249.6MB in the end (delta: 86.0MB). Free memory was 61.2MB in the beginning and 128.5MB in the end (delta: -67.4MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * RCFGBuilder took 10220.57ms. Allocated memory was 249.6MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 128.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 623.5MB. Max. memory is 16.1GB. * CodeCheck took 32851.78ms. Allocated memory is still 1.8GB. Free memory was 1.2GB in the beginning and 857.0MB in the end (delta: 382.7MB). Peak memory consumption was 383.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:03:53,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/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_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9 --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 de261829caaa0df1953271da2402cd35889e8a8421501d338dff768f617b7b50 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:03:55,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:03:55,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 04:03:55,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:03:55,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:03:55,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:03:55,367 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:03:55,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:03:55,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:03:55,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:03:55,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:03:55,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:03:55,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:03:55,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:03:55,372 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:03:55,372 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:03:55,373 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:03:55,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:03:55,374 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:03:55,374 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:03:55,375 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:03:55,376 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:03:55,376 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:55,376 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:03:55,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:03:55,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:03:55,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:03:55,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:03:55,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:03:55,379 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:03:55,380 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:55,380 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:03:55,380 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:03:55,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:03:55,381 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de261829caaa0df1953271da2402cd35889e8a8421501d338dff768f617b7b50 [2023-12-03 04:03:55,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:03:55,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:03:55,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:03:55,681 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:03:55,681 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:03:55,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-func-interl.c [2023-12-03 04:03:58,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:03:58,690 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:03:58,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-func-interl.c [2023-12-03 04:03:58,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/data/e473a9e1a/6ec54ce057dc48729d184db0be0136f2/FLAG11d3e5b24 [2023-12-03 04:03:58,720 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/data/e473a9e1a/6ec54ce057dc48729d184db0be0136f2 [2023-12-03 04:03:58,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:03:58,723 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:03:58,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:03:58,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:03:58,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:03:58,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:03:58" (1/1) ... [2023-12-03 04:03:58,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155170f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:58, skipping insertion in model container [2023-12-03 04:03:58,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:03:58" (1/1) ... [2023-12-03 04:03:58,831 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:03:59,020 WARN L240 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_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-func-interl.c[1171,1184] [2023-12-03 04:03:59,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:03:59,266 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:03:59,278 WARN L240 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_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.loyd.3.prop1-func-interl.c[1171,1184] [2023-12-03 04:03:59,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:03:59,407 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:03:59,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:59 WrapperNode [2023-12-03 04:03:59,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:03:59,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:03:59,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:03:59,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:03:59,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:59" (1/1) ... [2023-12-03 04:03:59,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:59" (1/1) ... [2023-12-03 04:03:59,558 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1669 [2023-12-03 04:03:59,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:03:59,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:03:59,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:03:59,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:03:59,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:59" (1/1) ... [2023-12-03 04:03:59,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:59" (1/1) ... [2023-12-03 04:03:59,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:59" (1/1) ... [2023-12-03 04:03:59,580 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:59" (1/1) ... [2023-12-03 04:03:59,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:59" (1/1) ... [2023-12-03 04:03:59,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:59" (1/1) ... [2023-12-03 04:03:59,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:59" (1/1) ... [2023-12-03 04:03:59,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:59" (1/1) ... [2023-12-03 04:03:59,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:03:59,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:03:59,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:03:59,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:03:59,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:59" (1/1) ... [2023-12-03 04:03:59,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:03:59,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:03:59,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:03:59,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:03:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:03:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:03:59,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:03:59,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:04:00,064 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:04:00,066 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:04:02,711 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:04:02,827 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:04:02,828 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:04:02,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:04:02 BoogieIcfgContainer [2023-12-03 04:04:02,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:04:02,830 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:04:02,830 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:04:02,840 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:04:02,840 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:04:02" (1/1) ... [2023-12-03 04:04:02,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:04:02,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:04:02,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:04:02,901 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:04:02,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:04:02,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:04:02,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:04:02,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:04:02,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:04:02,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:04:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:03,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:04:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:03,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 04:04:03,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:04:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:04:03,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:04:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:04:04,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 04:04:04,412 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 04:04:04,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:04:04,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:04:04,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:04:04,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:04:04,416 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:04:04,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:04:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:05,640 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:04:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:06,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 1503 conjuncts, 72 conjunts are in the unsatisfiable core [2023-12-03 04:04:06,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:04:07,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:04:07,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-03 04:04:08,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:04:12,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:04:12,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-03 04:04:12,778 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-03 04:04:12,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:04:12,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:04:12,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:04:12,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:04:12,781 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:04:12,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab3c6f9e-5efd-4322-85b1-f1dfbd0bf066/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:04:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:14,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:04:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:15,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 2911 conjuncts, 294 conjunts are in the unsatisfiable core [2023-12-03 04:04:15,360 INFO L285 TraceCheckSpWp]: Computing forward predicates...