./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/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_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/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_d4851a90-4edb-45dc-ab60-ff0fb16bac71/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 53e6dbff486f18c9e67859c6aafc8c76e31b5ebe4bc4a2fff6ca8706de37c876 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:27:13,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:27:13,672 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 01:27:13,676 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:27:13,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:27:13,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:27:13,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:27:13,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:27:13,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:27:13,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:27:13,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:27:13,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:27:13,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:27:13,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:27:13,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:27:13,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:27:13,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:27:13,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:27:13,704 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:27:13,705 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:27:13,705 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:27:13,706 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:27:13,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:27:13,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:27:13,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:27:13,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:27:13,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:27:13,709 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:27:13,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:27:13,710 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:27:13,710 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_d4851a90-4edb-45dc-ab60-ff0fb16bac71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53e6dbff486f18c9e67859c6aafc8c76e31b5ebe4bc4a2fff6ca8706de37c876 [2023-12-03 01:27:13,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:27:13,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:27:13,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:27:13,932 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:27:13,932 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:27:13,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c [2023-12-03 01:27:16,646 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:27:16,815 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:27:16,815 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c [2023-12-03 01:27:16,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/data/b60a457d3/65fe0dd527dc4813992f6b162b829291/FLAG2dd6afc54 [2023-12-03 01:27:16,837 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/data/b60a457d3/65fe0dd527dc4813992f6b162b829291 [2023-12-03 01:27:16,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:27:16,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:27:16,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:27:16,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:27:16,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:27:16,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:27:16" (1/1) ... [2023-12-03 01:27:16,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d224140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:16, skipping insertion in model container [2023-12-03 01:27:16,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:27:16" (1/1) ... [2023-12-03 01:27:16,874 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:27:16,997 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_d4851a90-4edb-45dc-ab60-ff0fb16bac71/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c[1248,1261] [2023-12-03 01:27:17,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:27:17,079 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:27:17,089 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_d4851a90-4edb-45dc-ab60-ff0fb16bac71/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c[1248,1261] [2023-12-03 01:27:17,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:27:17,150 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:27:17,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:17 WrapperNode [2023-12-03 01:27:17,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:27:17,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:27:17,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:27:17,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:27:17,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:17" (1/1) ... [2023-12-03 01:27:17,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:17" (1/1) ... [2023-12-03 01:27:17,233 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 440 [2023-12-03 01:27:17,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:27:17,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:27:17,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:27:17,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:27:17,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:17" (1/1) ... [2023-12-03 01:27:17,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:17" (1/1) ... [2023-12-03 01:27:17,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:17" (1/1) ... [2023-12-03 01:27:17,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:17" (1/1) ... [2023-12-03 01:27:17,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:17" (1/1) ... [2023-12-03 01:27:17,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:17" (1/1) ... [2023-12-03 01:27:17,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:17" (1/1) ... [2023-12-03 01:27:17,294 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:17" (1/1) ... [2023-12-03 01:27:17,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:27:17,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:27:17,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:27:17,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:27:17,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:17" (1/1) ... [2023-12-03 01:27:17,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:27:17,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:27:17,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:27:17,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:27:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:27:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:27:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:27:17,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:27:17,467 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:27:17,469 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:27:17,941 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:27:18,491 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:27:18,491 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:27:18,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:27:18 BoogieIcfgContainer [2023-12-03 01:27:18,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:27:18,494 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:27:18,494 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:27:18,504 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:27:18,504 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:27:18" (1/1) ... [2023-12-03 01:27:18,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:27:18,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:18,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:27:18,566 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:27:18,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:27:18,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:18,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:27:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:27:18,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:27:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:27:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:27:19,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:27:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:27:19,153 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:27:19,175 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-03 01:27:19,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:27:19 ImpRootNode [2023-12-03 01:27:19,181 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:27:19,182 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:27:19,182 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:27:19,182 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:27:19,182 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:27:18" (3/4) ... [2023-12-03 01:27:19,185 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:27:19,186 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:27:19,187 INFO L158 Benchmark]: Toolchain (without parser) took 2345.63ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 116.6MB in the beginning and 100.9MB in the end (delta: 15.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-12-03 01:27:19,187 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:27:19,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.64ms. Allocated memory is still 155.2MB. Free memory was 116.1MB in the beginning and 100.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:27:19,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.15ms. Allocated memory is still 155.2MB. Free memory was 100.8MB in the beginning and 91.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 01:27:19,189 INFO L158 Benchmark]: Boogie Preprocessor took 68.49ms. Allocated memory is still 155.2MB. Free memory was 91.7MB in the beginning and 88.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:27:19,190 INFO L158 Benchmark]: RCFGBuilder took 1189.72ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 88.4MB in the beginning and 144.9MB in the end (delta: -56.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-12-03 01:27:19,191 INFO L158 Benchmark]: CodeCheck took 687.18ms. Allocated memory is still 186.6MB. Free memory was 144.9MB in the beginning and 101.9MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-03 01:27:19,191 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 186.6MB. Free memory was 100.9MB in the beginning and 100.9MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:27:19,195 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 bitwiseOr at line 85, overapproximation of bitwiseAnd at line 72. 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_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 32); [L30] const SORT_8 msb_SORT_8 = (SORT_8)1 << (32 - 1); [L32] const SORT_1 var_5 = 0; [L33] const SORT_8 var_10 = 0; [L34] const SORT_1 var_19 = 1; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_1 input_34; [L40] SORT_1 input_37; [L41] SORT_1 input_41; [L42] SORT_1 input_50; [L43] SORT_1 input_53; [L44] SORT_1 input_57; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L46] SORT_1 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L47] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L48] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L49] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L50] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] SORT_1 init_7_arg_1 = var_5; [L53] state_6 = init_7_arg_1 [L54] SORT_1 init_13_arg_1 = var_5; [L55] state_12 = init_13_arg_1 [L56] SORT_1 init_27_arg_1 = var_5; [L57] state_26 = init_27_arg_1 VAL [init_13_arg_1=0, init_27_arg_1=0, init_7_arg_1=0, mask_SORT_1=1, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_8=2147483648, state_12=0, state_24=0, state_25=1, state_26=0, state_6=0, var_10=0, var_19=1, var_5=0] [L60] input_2 = __VERIFIER_nondet_uchar() [L61] input_3 = __VERIFIER_nondet_uchar() [L62] input_4 = __VERIFIER_nondet_uchar() [L63] input_34 = __VERIFIER_nondet_uchar() [L64] input_37 = __VERIFIER_nondet_uchar() [L65] input_41 = __VERIFIER_nondet_uchar() [L66] input_50 = __VERIFIER_nondet_uchar() [L67] input_53 = __VERIFIER_nondet_uchar() [L68] input_57 = __VERIFIER_nondet_uchar() [L71] SORT_1 var_9_arg_0 = state_6; [L72] EXPR var_9_arg_0 & mask_SORT_1 [L72] var_9_arg_0 = var_9_arg_0 & mask_SORT_1 [L73] SORT_8 var_9 = var_9_arg_0; [L74] SORT_8 var_11_arg_0 = var_9; [L75] SORT_8 var_11_arg_1 = var_10; [L76] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L77] SORT_1 var_14_arg_0 = state_12; [L78] EXPR var_14_arg_0 & mask_SORT_1 [L78] var_14_arg_0 = var_14_arg_0 & mask_SORT_1 [L79] SORT_8 var_14 = var_14_arg_0; [L80] SORT_8 var_15_arg_0 = var_14; [L81] SORT_8 var_15_arg_1 = var_10; [L82] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L83] SORT_1 var_16_arg_0 = var_11; [L84] SORT_1 var_16_arg_1 = var_15; [L85] EXPR var_16_arg_0 | var_16_arg_1 [L85] SORT_1 var_16 = var_16_arg_0 | var_16_arg_1; [L86] SORT_1 var_20_arg_0 = var_16; [L87] SORT_1 var_20 = ~var_20_arg_0; [L88] SORT_1 var_21_arg_0 = var_19; [L89] SORT_1 var_21_arg_1 = var_20; [L90] EXPR var_21_arg_0 & var_21_arg_1 [L90] SORT_1 var_21 = var_21_arg_0 & var_21_arg_1; [L91] EXPR var_21 & mask_SORT_1 [L91] var_21 = var_21 & mask_SORT_1 [L92] SORT_1 bad_22_arg_0 = var_21; [L93] CALL __VERIFIER_assert(!(bad_22_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 0.20ms. Allocated memory is still 96.5MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.64ms. Allocated memory is still 155.2MB. Free memory was 116.1MB in the beginning and 100.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.15ms. Allocated memory is still 155.2MB. Free memory was 100.8MB in the beginning and 91.7MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.49ms. Allocated memory is still 155.2MB. Free memory was 91.7MB in the beginning and 88.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1189.72ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 88.4MB in the beginning and 144.9MB in the end (delta: -56.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * CodeCheck took 687.18ms. Allocated memory is still 186.6MB. Free memory was 144.9MB in the beginning and 101.9MB in the end (delta: 43.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 186.6MB. Free memory was 100.9MB in the beginning and 100.9MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:27:19,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/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_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/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_d4851a90-4edb-45dc-ab60-ff0fb16bac71/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 53e6dbff486f18c9e67859c6aafc8c76e31b5ebe4bc4a2fff6ca8706de37c876 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:27:21,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:27:21,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 01:27:21,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:27:21,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:27:21,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:27:21,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:27:21,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:27:21,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:27:21,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:27:21,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:27:21,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:27:21,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:27:21,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:27:21,216 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:27:21,217 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:27:21,217 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:27:21,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:27:21,218 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:27:21,219 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:27:21,219 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:27:21,220 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:27:21,220 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:21,221 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:27:21,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:27:21,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:27:21,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:27:21,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:27:21,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:27:21,223 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:27:21,224 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:21,224 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:27:21,225 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:27:21,225 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:27:21,225 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_d4851a90-4edb-45dc-ab60-ff0fb16bac71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53e6dbff486f18c9e67859c6aafc8c76e31b5ebe4bc4a2fff6ca8706de37c876 [2023-12-03 01:27:21,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:27:21,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:27:21,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:27:21,554 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:27:21,554 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:27:21,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c [2023-12-03 01:27:24,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:27:24,560 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:27:24,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c [2023-12-03 01:27:24,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/data/6fae552cc/cc766590ee9b49b1b472550c3c0d0c3b/FLAG79b0fb9ee [2023-12-03 01:27:24,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/data/6fae552cc/cc766590ee9b49b1b472550c3c0d0c3b [2023-12-03 01:27:24,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:27:24,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:27:24,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:27:24,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:27:24,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:27:24,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:27:24" (1/1) ... [2023-12-03 01:27:24,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc136e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:24, skipping insertion in model container [2023-12-03 01:27:24,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:27:24" (1/1) ... [2023-12-03 01:27:24,633 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:27:24,785 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_d4851a90-4edb-45dc-ab60-ff0fb16bac71/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c[1248,1261] [2023-12-03 01:27:24,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:27:24,860 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:27:24,873 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_d4851a90-4edb-45dc-ab60-ff0fb16bac71/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Rrobin.c[1248,1261] [2023-12-03 01:27:24,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:27:24,926 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:27:24,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:24 WrapperNode [2023-12-03 01:27:24,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:27:24,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:27:24,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:27:24,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:27:24,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:24" (1/1) ... [2023-12-03 01:27:24,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:24" (1/1) ... [2023-12-03 01:27:24,976 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 220 [2023-12-03 01:27:24,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:27:24,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:27:24,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:27:24,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:27:24,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:24" (1/1) ... [2023-12-03 01:27:24,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:24" (1/1) ... [2023-12-03 01:27:24,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:24" (1/1) ... [2023-12-03 01:27:24,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:24" (1/1) ... [2023-12-03 01:27:25,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:24" (1/1) ... [2023-12-03 01:27:25,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:24" (1/1) ... [2023-12-03 01:27:25,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:24" (1/1) ... [2023-12-03 01:27:25,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:24" (1/1) ... [2023-12-03 01:27:25,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:27:25,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:27:25,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:27:25,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:27:25,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:27:24" (1/1) ... [2023-12-03 01:27:25,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:27:25,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:27:25,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:27:25,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:27:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:27:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:27:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:27:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:27:25,176 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:27:25,178 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:27:25,426 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:27:25,465 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:27:25,465 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:27:25,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:27:25 BoogieIcfgContainer [2023-12-03 01:27:25,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:27:25,467 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:27:25,468 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:27:25,477 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:27:25,478 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:27:25" (1/1) ... [2023-12-03 01:27:25,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:27:25,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:25,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:27:25,538 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:27:25,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:27:25,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:25,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:25,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:25,541 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:25,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:27:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:25,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:25,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 01:27:25,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:25,942 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 01:27:25,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:27:26,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 01:27:26,024 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 01:27:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:27:26,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:26,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:26,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:26,026 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:26,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:27:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:26,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:26,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 71 conjunts are in the unsatisfiable core [2023-12-03 01:27:26,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:27,461 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 01:27:27,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:27:27,464 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:27:27,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:27,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-03 01:27:27,947 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-03 01:27:27,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:27:27,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:27,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:27,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:27,950 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:27,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:27:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:28,149 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:28,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 111 conjunts are in the unsatisfiable core [2023-12-03 01:27:28,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:31,045 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:27:31,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:27:31,047 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:27:32,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:32,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 16 states and 30 transitions. [2023-12-03 01:27:32,748 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 30 transitions. [2023-12-03 01:27:32,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:27:32,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:32,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:32,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:32,750 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:32,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:27:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:32,993 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:33,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 111 conjunts are in the unsatisfiable core [2023-12-03 01:27:33,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:27:35,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-03 01:27:35,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:35,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 17 states and 30 transitions. [2023-12-03 01:27:35,210 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 30 transitions. [2023-12-03 01:27:35,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:27:35,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:35,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:35,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:35,211 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:35,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:27:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:35,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:35,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 111 conjunts are in the unsatisfiable core [2023-12-03 01:27:35,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:37,169 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:27:37,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 01:27:37,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:37,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 9 states and 14 transitions. [2023-12-03 01:27:37,473 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 14 transitions. [2023-12-03 01:27:37,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:27:37,473 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-12-03 01:27:37,480 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 01:27:38,137 INFO L560 CodeCheckObserver]: Invariant with dag size 55 [2023-12-03 01:27:38,145 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_0~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvnot~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_0~0#1))[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_6~0 && ~bvand~32(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(~bvnot~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_0~0#1))[7:0]), ~zero_extend~32~8(~bvnot~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_0~0#1))[7:0]))[7:0]), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvnot~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_0~0#1))[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_12~0) could not be translated [2023-12-03 01:27:38,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:27:38 ImpRootNode [2023-12-03 01:27:38,146 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:27:38,147 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:27:38,147 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:27:38,147 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:27:38,148 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:27:25" (3/4) ... [2023-12-03 01:27:38,149 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:27:38,158 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-03 01:27:38,159 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-03 01:27:38,160 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 01:27:38,160 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:27:38,272 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:27:38,273 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:27:38,273 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:27:38,274 INFO L158 Benchmark]: Toolchain (without parser) took 13681.03ms. Allocated memory was 102.8MB in the beginning and 226.5MB in the end (delta: 123.7MB). Free memory was 78.7MB in the beginning and 188.3MB in the end (delta: -109.6MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-12-03 01:27:38,274 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:27:38,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.84ms. Allocated memory is still 102.8MB. Free memory was 78.5MB in the beginning and 63.6MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 01:27:38,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.45ms. Allocated memory is still 102.8MB. Free memory was 63.6MB in the beginning and 61.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:27:38,275 INFO L158 Benchmark]: Boogie Preprocessor took 37.19ms. Allocated memory is still 102.8MB. Free memory was 61.0MB in the beginning and 59.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:27:38,275 INFO L158 Benchmark]: RCFGBuilder took 451.20ms. Allocated memory is still 102.8MB. Free memory was 58.9MB in the beginning and 63.9MB in the end (delta: -5.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2023-12-03 01:27:38,276 INFO L158 Benchmark]: CodeCheck took 12678.99ms. Allocated memory was 102.8MB in the beginning and 226.5MB in the end (delta: 123.7MB). Free memory was 63.9MB in the beginning and 194.6MB in the end (delta: -130.7MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. [2023-12-03 01:27:38,276 INFO L158 Benchmark]: Witness Printer took 125.97ms. Allocated memory is still 226.5MB. Free memory was 194.6MB in the beginning and 188.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 01:27:38,278 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: 12.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 269 IncrementalHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 5 mSDtfsCounter, 269 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 438 GetRequests, 372 SyntacticMatches, 20 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 894 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 39 ConstructedInterpolants, 3 QuantifiedInterpolants, 582 SizeOfPredicates, 441 NumberOfNonLiveVariables, 1266 ConjunctsInSsa, 424 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 3/31 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 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((1 == mask_SORT_1) && (var_5 == 0)) && (var_10 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory is still 50.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.84ms. Allocated memory is still 102.8MB. Free memory was 78.5MB in the beginning and 63.6MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.45ms. Allocated memory is still 102.8MB. Free memory was 63.6MB in the beginning and 61.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.19ms. Allocated memory is still 102.8MB. Free memory was 61.0MB in the beginning and 59.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.20ms. Allocated memory is still 102.8MB. Free memory was 58.9MB in the beginning and 63.9MB in the end (delta: -5.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * CodeCheck took 12678.99ms. Allocated memory was 102.8MB in the beginning and 226.5MB in the end (delta: 123.7MB). Free memory was 63.9MB in the beginning and 194.6MB in the end (delta: -130.7MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. * Witness Printer took 125.97ms. Allocated memory is still 226.5MB. Free memory was 194.6MB in the beginning and 188.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_47_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_46_arg_0~0#1 : bv8 :: (~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvnot~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_0~0#1))[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_6~0 && ~bvand~32(~zero_extend~32~8(~bvand~32(~zero_extend~32~8(~bvnot~32(~zero_extend~32~8(ULTIMATE.start_main_~var_46_arg_0~0#1))[7:0]), ~zero_extend~32~8(~bvnot~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_0~0#1))[7:0]))[7:0]), 1bv32)[7:0] == 0bv8) && ~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~zero_extend~32~8(~bvnot~32(~zero_extend~32~8(ULTIMATE.start_main_~var_47_arg_0~0#1))[7:0])[7:0])[7:0])[7:0])[7:0])[7:0])[7:0] == ~state_12~0) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 01:27:38,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4851a90-4edb-45dc-ab60-ff0fb16bac71/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE