./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV --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 16f8726a4add15d0bf2494bd44888be53eb7bc01110882b6fc03ef148c6d9055 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:24,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:24,951 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-11 23:57:24,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:24,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:24,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:25,001 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:25,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:25,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:25,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:25,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:25,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:25,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:25,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:25,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:25,014 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:25,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:25,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:25,016 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:25,017 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:25,017 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:25,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:25,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:25,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:25,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:25,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:25,021 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:25,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:25,022 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:25,023 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_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16f8726a4add15d0bf2494bd44888be53eb7bc01110882b6fc03ef148c6d9055 [2023-11-11 23:57:25,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:25,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:25,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:25,410 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:25,410 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:25,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c [2023-11-11 23:57:28,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:28,859 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:28,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c [2023-11-11 23:57:28,877 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/data/7ac4631a9/251ac8af2312487187e88e0a46a4b64e/FLAG35620bd98 [2023-11-11 23:57:28,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/data/7ac4631a9/251ac8af2312487187e88e0a46a4b64e [2023-11-11 23:57:28,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:28,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:28,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:28,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:28,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:28,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:28" (1/1) ... [2023-11-11 23:57:28,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b0f480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:28, skipping insertion in model container [2023-11-11 23:57:28,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:28" (1/1) ... [2023-11-11 23:57:28,966 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:29,184 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_818bdd00-0c82-42c0-aef2-5e640eb67a7a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c[1248,1261] [2023-11-11 23:57:29,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:29,289 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:29,301 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_818bdd00-0c82-42c0-aef2-5e640eb67a7a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c[1248,1261] [2023-11-11 23:57:29,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:29,363 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:29,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:29 WrapperNode [2023-11-11 23:57:29,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:29,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:29,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:29,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:29,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:29" (1/1) ... [2023-11-11 23:57:29,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:29" (1/1) ... [2023-11-11 23:57:29,477 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 292 [2023-11-11 23:57:29,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:29,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:29,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:29,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:29,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:29" (1/1) ... [2023-11-11 23:57:29,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:29" (1/1) ... [2023-11-11 23:57:29,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:29" (1/1) ... [2023-11-11 23:57:29,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:29" (1/1) ... [2023-11-11 23:57:29,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:29" (1/1) ... [2023-11-11 23:57:29,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:29" (1/1) ... [2023-11-11 23:57:29,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:29" (1/1) ... [2023-11-11 23:57:29,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:29" (1/1) ... [2023-11-11 23:57:29,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:29,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:29,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:29,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:29,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:29" (1/1) ... [2023-11-11 23:57:29,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:29,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:29,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:29,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:57:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:29,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:29,829 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:29,832 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:30,519 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:31,062 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:31,062 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:57:31,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:31 BoogieIcfgContainer [2023-11-11 23:57:31,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:31,069 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:31,069 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:31,083 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:31,084 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:31" (1/1) ... [2023-11-11 23:57:31,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:31,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:31,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:57:31,184 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:57:31,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:57:31,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:31,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:32,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:32,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:32,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-11 23:57:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-11 23:57:32,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:57:32,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:32,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:33,709 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:57:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:34,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:57:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:35,215 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-11 23:57:35,281 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-11 23:57:35,282 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-11 23:57:35,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:57:35 ImpRootNode [2023-11-11 23:57:35,296 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:57:35,297 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:57:35,297 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:57:35,298 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:57:35,298 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:31" (3/4) ... [2023-11-11 23:57:35,304 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:57:35,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:57:35,308 INFO L158 Benchmark]: Toolchain (without parser) took 6394.02ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 119.7MB in the beginning and 118.0MB in the end (delta: 1.6MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-11-11 23:57:35,309 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 121.6MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:35,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.77ms. Allocated memory is still 163.6MB. Free memory was 119.1MB in the beginning and 105.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:57:35,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.27ms. Allocated memory is still 163.6MB. Free memory was 105.5MB in the beginning and 98.7MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:57:35,312 INFO L158 Benchmark]: Boogie Preprocessor took 72.87ms. Allocated memory is still 163.6MB. Free memory was 98.7MB in the beginning and 96.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:57:35,313 INFO L158 Benchmark]: RCFGBuilder took 1515.47ms. Allocated memory is still 163.6MB. Free memory was 96.1MB in the beginning and 98.8MB in the end (delta: -2.7MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2023-11-11 23:57:35,319 INFO L158 Benchmark]: CodeCheck took 4227.44ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 98.8MB in the beginning and 119.1MB in the end (delta: -20.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-11 23:57:35,320 INFO L158 Benchmark]: Witness Printer took 8.24ms. Allocated memory is still 197.1MB. Free memory is still 118.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:35,328 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 78, overapproximation of bitwiseOr at line 96, overapproximation of bitwiseAnd at line 62. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 4); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (4 - 1); [L32] const SORT_4 var_5 = 0; [L33] const SORT_1 var_14 = 1; [L34] const SORT_4 var_19 = 1; [L35] const SORT_4 var_22 = 15; [L37] SORT_1 input_2; [L38] SORT_1 input_3; [L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L40] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L41] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L41] SORT_4 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L43] SORT_4 init_7_arg_1 = var_5; [L44] state_6 = init_7_arg_1 [L45] SORT_4 init_9_arg_1 = var_5; [L46] state_8 = init_9_arg_1 VAL [init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_4=15, msb_SORT_1=1, msb_SORT_4=8, state_6=0, state_8=0, var_14=1, var_19=1, var_22=15, var_5=0] [L49] input_2 = __VERIFIER_nondet_uchar() [L50] input_3 = __VERIFIER_nondet_uchar() [L53] SORT_4 var_10_arg_0 = state_6; [L54] SORT_4 var_10_arg_1 = state_8; [L55] SORT_1 var_10 = var_10_arg_0 < var_10_arg_1; [L56] SORT_1 var_11_arg_0 = var_10; [L57] SORT_1 var_11 = ~var_11_arg_0; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] EXPR var_16_arg_0 & var_16_arg_1 [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] EXPR var_16 & mask_SORT_1 [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L65] RET __VERIFIER_assert(!(bad_17_arg_0)) [L67] SORT_1 var_31_arg_0 = input_3; [L68] SORT_1 var_31 = ~var_31_arg_0; [L69] SORT_4 var_32_arg_0 = state_6; [L70] SORT_4 var_32_arg_1 = state_8; [L71] SORT_1 var_32 = var_32_arg_0 > var_32_arg_1; [L72] SORT_1 var_33_arg_0 = var_31; [L73] SORT_1 var_33_arg_1 = var_32; [L74] EXPR var_33_arg_0 & var_33_arg_1 [L74] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L75] EXPR var_33 & mask_SORT_1 [L75] var_33 = var_33 & mask_SORT_1 [L76] SORT_4 var_28_arg_0 = var_22; [L77] SORT_4 var_28_arg_1 = var_19; [L78] EXPR var_28_arg_0 >> var_28_arg_1 [L78] SORT_4 var_28 = var_28_arg_0 >> var_28_arg_1; [L79] SORT_4 var_29_arg_0 = state_6; [L80] SORT_4 var_29_arg_1 = var_19; [L81] EXPR var_29_arg_0 >> var_29_arg_1 [L81] SORT_4 var_29 = var_29_arg_0 >> var_29_arg_1; [L82] SORT_4 var_30_arg_0 = var_28; [L83] SORT_4 var_30_arg_1 = var_29; [L84] SORT_4 var_30 = var_30_arg_0 + var_30_arg_1; [L85] SORT_4 var_26_arg_0 = state_6; [L86] SORT_4 var_26_arg_1 = state_8; [L87] SORT_1 var_26 = var_26_arg_0 < var_26_arg_1; [L88] SORT_4 var_21_arg_0 = state_8; [L89] SORT_4 var_21_arg_1 = state_6; [L90] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L91] SORT_4 var_23_arg_0 = state_6; [L92] SORT_4 var_23_arg_1 = var_22; [L93] SORT_1 var_23 = var_23_arg_0 != var_23_arg_1; [L94] SORT_1 var_24_arg_0 = var_21; [L95] SORT_1 var_24_arg_1 = var_23; [L96] EXPR var_24_arg_0 | var_24_arg_1 [L96] SORT_1 var_24 = var_24_arg_0 | var_24_arg_1; [L97] EXPR var_24 & mask_SORT_1 [L97] var_24 = var_24 & mask_SORT_1 [L98] SORT_4 var_20_arg_0 = state_6; [L99] SORT_4 var_20_arg_1 = var_19; [L100] SORT_4 var_20 = var_20_arg_0 + var_20_arg_1; [L101] SORT_1 var_25_arg_0 = var_24; [L102] SORT_4 var_25_arg_1 = var_20; [L103] SORT_4 var_25_arg_2 = state_8; [L104] SORT_4 var_25 = var_25_arg_0 ? var_25_arg_1 : var_25_arg_2; [L105] SORT_1 var_27_arg_0 = var_26; [L106] SORT_4 var_27_arg_1 = state_6; [L107] SORT_4 var_27_arg_2 = var_25; [L108] SORT_4 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L109] SORT_1 var_34_arg_0 = var_33; [L110] SORT_4 var_34_arg_1 = var_30; [L111] SORT_4 var_34_arg_2 = var_27; [L112] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L113] EXPR var_34 & mask_SORT_4 [L113] var_34 = var_34 & mask_SORT_4 [L114] SORT_4 next_35_arg_1 = var_34; [L115] SORT_1 var_42_arg_0 = input_3; [L116] SORT_1 var_42 = ~var_42_arg_0; [L117] SORT_4 var_43_arg_0 = state_6; [L118] SORT_4 var_43_arg_1 = state_8; [L119] SORT_1 var_43 = var_43_arg_0 > var_43_arg_1; [L120] SORT_1 var_44_arg_0 = var_42; [L121] SORT_1 var_44_arg_1 = var_43; [L122] EXPR var_44_arg_0 & var_44_arg_1 [L122] SORT_1 var_44 = var_44_arg_0 & var_44_arg_1; [L123] EXPR var_44 & mask_SORT_1 [L123] var_44 = var_44 & mask_SORT_1 [L124] SORT_4 var_37_arg_0 = state_6; [L125] SORT_4 var_37_arg_1 = state_8; [L126] SORT_1 var_37 = var_37_arg_0 > var_37_arg_1; [L127] SORT_1 var_38_arg_0 = var_37; [L128] SORT_1 var_38 = ~var_38_arg_0; [L129] SORT_4 var_39_arg_0 = state_6; [L130] SORT_4 var_39_arg_1 = var_22; [L131] SORT_1 var_39 = var_39_arg_0 != var_39_arg_1; [L132] SORT_1 var_40_arg_0 = var_38; [L133] SORT_1 var_40_arg_1 = var_39; [L134] EXPR var_40_arg_0 | var_40_arg_1 [L134] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L135] EXPR var_40 & mask_SORT_1 [L135] var_40 = var_40 & mask_SORT_1 [L136] SORT_4 var_36_arg_0 = state_8; [L137] SORT_4 var_36_arg_1 = var_19; [L138] SORT_4 var_36 = var_36_arg_0 + var_36_arg_1; [L139] SORT_1 var_41_arg_0 = var_40; [L140] SORT_4 var_41_arg_1 = var_36; [L141] SORT_4 var_41_arg_2 = state_6; [L142] SORT_4 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L143] SORT_1 var_45_arg_0 = var_44; [L144] SORT_4 var_45_arg_1 = state_8; [L145] SORT_4 var_45_arg_2 = var_41; [L146] SORT_4 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L147] EXPR var_45 & mask_SORT_4 [L147] var_45 = var_45 & mask_SORT_4 [L148] SORT_4 next_46_arg_1 = var_45; [L150] state_6 = next_35_arg_1 [L151] state_8 = next_46_arg_1 VAL [bad_17_arg_0=0, init_7_arg_1=0, init_9_arg_1=0, input_3=254, mask_SORT_1=1, mask_SORT_4=15, msb_SORT_1=1, msb_SORT_4=8, next_35_arg_1=0, next_46_arg_1=1, state_6=0, state_8=1, var_10=0, var_10_arg_0=0, var_10_arg_1=0, var_11=255, var_11_arg_0=0, var_14=1, var_15=0, var_15_arg_0=255, var_16=0, var_16_arg_0=1, var_16_arg_1=0, var_19=1, var_20=1, var_20_arg_0=0, var_20_arg_1=1, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_22=15, var_23=1, var_23_arg_0=0, var_23_arg_1=15, var_24=1, var_24_arg_0=1, var_24_arg_1=1, var_25=1, var_25_arg_0=1, var_25_arg_1=1, var_25_arg_2=0, var_26=0, var_26_arg_0=0, var_26_arg_1=0, var_27=1, var_27_arg_0=0, var_27_arg_1=0, var_27_arg_2=1, var_28=0, var_28_arg_0=15, var_28_arg_1=1, var_29=0, var_29_arg_0=0, var_29_arg_1=1, var_30=0, var_30_arg_0=0, var_30_arg_1=0, var_31=1, var_31_arg_0=254, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33=0, var_33_arg_0=1, var_33_arg_1=0, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_34_arg_2=1, var_36=1, var_36_arg_0=0, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_37_arg_1=0, var_38=255, var_38_arg_0=0, var_39=1, var_39_arg_0=0, var_39_arg_1=15, var_40=1, var_40_arg_0=255, var_40_arg_1=1, var_41=1, var_41_arg_0=1, var_41_arg_1=1, var_41_arg_2=0, var_42=1, var_42_arg_0=254, var_43=0, var_43_arg_0=0, var_43_arg_1=0, var_44=0, var_44_arg_0=1, var_44_arg_1=0, var_45=1, var_45_arg_0=0, var_45_arg_1=0, var_45_arg_2=1, var_5=0] [L49] input_2 = __VERIFIER_nondet_uchar() [L50] input_3 = __VERIFIER_nondet_uchar() [L53] SORT_4 var_10_arg_0 = state_6; [L54] SORT_4 var_10_arg_1 = state_8; [L55] SORT_1 var_10 = var_10_arg_0 < var_10_arg_1; [L56] SORT_1 var_11_arg_0 = var_10; [L57] SORT_1 var_11 = ~var_11_arg_0; [L58] SORT_1 var_15_arg_0 = var_11; [L59] SORT_1 var_15 = ~var_15_arg_0; [L60] SORT_1 var_16_arg_0 = var_14; [L61] SORT_1 var_16_arg_1 = var_15; [L62] EXPR var_16_arg_0 & var_16_arg_1 [L62] SORT_1 var_16 = var_16_arg_0 & var_16_arg_1; [L63] EXPR var_16 & mask_SORT_1 [L63] var_16 = var_16 & mask_SORT_1 [L64] SORT_1 bad_17_arg_0 = var_16; [L65] CALL __VERIFIER_assert(!(bad_17_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 121.6MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.77ms. Allocated memory is still 163.6MB. Free memory was 119.1MB in the beginning and 105.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.27ms. Allocated memory is still 163.6MB. Free memory was 105.5MB in the beginning and 98.7MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.87ms. Allocated memory is still 163.6MB. Free memory was 98.7MB in the beginning and 96.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1515.47ms. Allocated memory is still 163.6MB. Free memory was 96.1MB in the beginning and 98.8MB in the end (delta: -2.7MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * CodeCheck took 4227.44ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 98.8MB in the beginning and 119.1MB in the end (delta: -20.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 8.24ms. Allocated memory is still 197.1MB. Free memory is still 118.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:57:35,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV --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 16f8726a4add15d0bf2494bd44888be53eb7bc01110882b6fc03ef148c6d9055 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:38,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:38,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-11 23:57:38,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:38,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:38,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:38,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:38,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:38,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:38,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:38,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:38,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:38,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:38,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:38,255 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:57:38,256 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:57:38,256 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:57:38,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:38,258 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:38,258 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:38,259 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:38,260 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:57:38,260 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:38,261 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:57:38,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:38,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:38,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:38,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:38,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:38,264 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:57:38,265 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:38,266 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:38,266 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:57:38,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:57:38,267 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_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16f8726a4add15d0bf2494bd44888be53eb7bc01110882b6fc03ef148c6d9055 [2023-11-11 23:57:38,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:38,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:38,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:38,782 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:38,783 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:38,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c [2023-11-11 23:57:42,420 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:42,775 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:42,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c [2023-11-11 23:57:42,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/data/157494c38/64409d609839495b9ce8edc46fd88598/FLAG86b2c65b7 [2023-11-11 23:57:42,820 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/data/157494c38/64409d609839495b9ce8edc46fd88598 [2023-11-11 23:57:42,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:42,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:42,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:42,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:42,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:42,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:42" (1/1) ... [2023-11-11 23:57:42,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4307271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:42, skipping insertion in model container [2023-11-11 23:57:42,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:42" (1/1) ... [2023-11-11 23:57:42,872 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:43,090 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_818bdd00-0c82-42c0-aef2-5e640eb67a7a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c[1248,1261] [2023-11-11 23:57:43,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:43,166 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:43,181 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_818bdd00-0c82-42c0-aef2-5e640eb67a7a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.diagonal.c[1248,1261] [2023-11-11 23:57:43,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:43,245 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:43,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:43 WrapperNode [2023-11-11 23:57:43,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:43,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:43,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:43,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:43,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:43" (1/1) ... [2023-11-11 23:57:43,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:43" (1/1) ... [2023-11-11 23:57:43,307 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 144 [2023-11-11 23:57:43,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:43,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:43,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:43,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:43,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:43" (1/1) ... [2023-11-11 23:57:43,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:43" (1/1) ... [2023-11-11 23:57:43,326 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:43" (1/1) ... [2023-11-11 23:57:43,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:43" (1/1) ... [2023-11-11 23:57:43,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:43" (1/1) ... [2023-11-11 23:57:43,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:43" (1/1) ... [2023-11-11 23:57:43,354 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:43" (1/1) ... [2023-11-11 23:57:43,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:43" (1/1) ... [2023-11-11 23:57:43,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:43,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:43,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:43,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:43,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:43" (1/1) ... [2023-11-11 23:57:43,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:43,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:43,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:43,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:43,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:57:43,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:43,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:43,714 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:43,717 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:44,082 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:44,134 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:44,135 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:57:44,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:44 BoogieIcfgContainer [2023-11-11 23:57:44,138 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:44,139 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:44,139 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:44,149 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:44,150 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:44" (1/1) ... [2023-11-11 23:57:44,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:44,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:44,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:57:44,229 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:57:44,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:57:44,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:44,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:44,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:57:44,261 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:57:44,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:57:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:44,402 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:57:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:44,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-11 23:57:44,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:44,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:44,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:57:44,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:44,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-11 23:57:44,808 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-11 23:57:44,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:57:44,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:44,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:44,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:57:44,811 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:57:44,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-11 23:57:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:45,008 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:57:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:45,072 WARN L260 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-11 23:57:45,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:46,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:46,538 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:57:46,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-11 23:57:47,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:47,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2023-11-11 23:57:47,084 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2023-11-11 23:57:47,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:57:47,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:47,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:47,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:57:47,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:57:47,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-11 23:57:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:47,305 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:57:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:47,405 WARN L260 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 120 conjunts are in the unsatisfiable core [2023-11-11 23:57:47,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:49,112 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:49,115 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:57:49,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-11 23:57:49,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:49,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2023-11-11 23:57:49,883 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2023-11-11 23:57:49,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:57:49,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:49,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:49,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:57:49,886 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:57:49,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-11 23:57:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:50,187 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:57:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:50,316 WARN L260 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 170 conjunts are in the unsatisfiable core [2023-11-11 23:57:50,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:52,182 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:52,186 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:57:52,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-11 23:57:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:53,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2023-11-11 23:57:53,192 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2023-11-11 23:57:53,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:57:53,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:53,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:53,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:57:53,195 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:57:53,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-11 23:57:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:53,505 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:57:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:53,639 WARN L260 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 220 conjunts are in the unsatisfiable core [2023-11-11 23:57:53,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:55,741 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:57:55,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-11 23:57:56,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:56,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-11-11 23:57:56,886 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-11 23:57:56,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:57:56,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:56,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:56,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:57:56,889 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:57:56,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-11 23:57:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:57,217 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:57:57,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:57,370 WARN L260 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 270 conjunts are in the unsatisfiable core [2023-11-11 23:57:57,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:59,307 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:59,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-11 23:58:00,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:00,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2023-11-11 23:58:00,575 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2023-11-11 23:58:00,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:58:00,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:00,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:00,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:00,589 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:00,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-11 23:58:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:00,989 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:01,187 WARN L260 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 320 conjunts are in the unsatisfiable core [2023-11-11 23:58:01,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:03,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:05,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:05,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2023-11-11 23:58:05,026 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2023-11-11 23:58:05,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:58:05,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:05,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:05,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:05,029 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:05,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-11 23:58:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:05,482 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:05,699 WARN L260 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 370 conjunts are in the unsatisfiable core [2023-11-11 23:58:05,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:08,137 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:08,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:08,145 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:58:09,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2023-11-11 23:58:09,887 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2023-11-11 23:58:09,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:58:09,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:09,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:09,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:09,893 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:09,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-11 23:58:10,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:10,500 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:58:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:10,739 WARN L260 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 423 conjunts are in the unsatisfiable core [2023-11-11 23:58:10,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:58:13,605 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:58:13,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818bdd00-0c82-42c0-aef2-5e640eb67a7a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0