./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL --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 c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:56:49,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:56:49,573 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:56:49,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:56:49,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:56:49,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:56:49,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:56:49,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:56:49,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:56:49,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:56:49,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:56:49,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:56:49,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:56:49,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:56:49,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:56:49,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:56:49,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:56:49,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:56:49,632 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:56:49,633 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:56:49,634 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:56:49,635 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:56:49,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:56:49,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:49,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:56:49,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:56:49,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:56:49,640 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:56:49,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:56:49,642 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:56:49,643 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_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6 [2023-11-19 03:56:50,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:56:50,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:56:50,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:56:50,070 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:56:50,071 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:56:50,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c [2023-11-19 03:56:53,833 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:56:54,132 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:56:54,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c [2023-11-19 03:56:54,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/data/71368ce96/3331573e7fe9421d9d16bcf0c80fe920/FLAG58bfd27ea [2023-11-19 03:56:54,165 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/data/71368ce96/3331573e7fe9421d9d16bcf0c80fe920 [2023-11-19 03:56:54,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:56:54,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:56:54,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:54,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:56:54,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:56:54,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:54,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@417388fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54, skipping insertion in model container [2023-11-19 03:56:54,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:54,224 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:56:54,421 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_ee84c379-fae7-4c95-9d88-f0ece617adf6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262] [2023-11-19 03:56:54,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:54,589 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:56:54,601 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_ee84c379-fae7-4c95-9d88-f0ece617adf6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262] [2023-11-19 03:56:54,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:54,715 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:56:54,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54 WrapperNode [2023-11-19 03:56:54,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:54,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:54,719 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:56:54,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:56:54,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:54,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:54,858 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 459 [2023-11-19 03:56:54,859 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:54,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:56:54,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:56:54,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:56:54,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:54,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:54,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:54,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:54,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:54,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:54,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:55,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:55,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:56:55,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:56:55,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:56:55,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:56:55,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:54" (1/1) ... [2023-11-19 03:56:55,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:55,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:56:55,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:56:55,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:56:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:56:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:56:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:56:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:56:55,320 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:56:55,323 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:56:56,163 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:56:56,992 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:56:56,993 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:56:57,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:56 BoogieIcfgContainer [2023-11-19 03:56:57,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:56:57,002 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:56:57,002 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:56:57,015 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:56:57,016 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:56" (1/1) ... [2023-11-19 03:56:57,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:56:57,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:56:57,121 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:56:57,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:56:57,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:57,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:56:57,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:56:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:56:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:56:58,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:56:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:56:58,426 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:56:58,468 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:56:58,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:56:58 ImpRootNode [2023-11-19 03:56:58,476 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:56:58,479 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:56:58,480 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:56:58,481 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:56:58,482 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:56" (3/4) ... [2023-11-19 03:56:58,490 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:56:58,495 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:56:58,497 INFO L158 Benchmark]: Toolchain (without parser) took 4325.13ms. Allocated memory is still 190.8MB. Free memory was 144.8MB in the beginning and 82.7MB in the end (delta: 62.2MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2023-11-19 03:56:58,499 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:56:58,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.81ms. Allocated memory is still 190.8MB. Free memory was 144.8MB in the beginning and 127.9MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:56:58,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.78ms. Allocated memory is still 190.8MB. Free memory was 127.9MB in the beginning and 119.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:56:58,504 INFO L158 Benchmark]: Boogie Preprocessor took 162.17ms. Allocated memory is still 190.8MB. Free memory was 119.0MB in the beginning and 115.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:56:58,506 INFO L158 Benchmark]: RCFGBuilder took 1977.42ms. Allocated memory is still 190.8MB. Free memory was 115.5MB in the beginning and 125.7MB in the end (delta: -10.1MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2023-11-19 03:56:58,507 INFO L158 Benchmark]: CodeCheck took 1474.74ms. Allocated memory is still 190.8MB. Free memory was 125.7MB in the beginning and 83.6MB in the end (delta: 42.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 03:56:58,509 INFO L158 Benchmark]: Witness Printer took 16.02ms. Allocated memory is still 190.8MB. Free memory was 82.7MB in the beginning and 82.7MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:56:58,521 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: 1.4s, 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, 0.4s 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 bitwiseAnd at line 84. 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_1 var_9 = 0; [L30] const SORT_1 var_17 = 1; [L32] SORT_1 input_2; [L33] SORT_1 input_3; [L34] SORT_1 input_4; [L35] SORT_1 input_5; [L36] SORT_1 input_6; [L37] SORT_1 input_7; [L38] SORT_1 input_8; [L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L40] SORT_1 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L41] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L41] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L42] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L42] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L43] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L43] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L44] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L45] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L46] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L47] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L48] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L49] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L50] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L51] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] SORT_1 init_11_arg_1 = var_9; [L54] state_10 = init_11_arg_1 [L55] SORT_1 init_13_arg_1 = var_9; [L56] state_12 = init_13_arg_1 [L57] SORT_1 init_22_arg_1 = var_9; [L58] state_21 = init_22_arg_1 [L59] SORT_1 init_24_arg_1 = var_9; [L60] state_23 = init_24_arg_1 [L61] SORT_1 init_26_arg_1 = var_9; [L62] state_25 = init_26_arg_1 [L63] SORT_1 init_28_arg_1 = var_9; [L64] state_27 = init_28_arg_1 [L65] SORT_1 init_30_arg_1 = var_9; [L66] state_29 = init_30_arg_1 [L67] SORT_1 init_32_arg_1 = var_9; [L68] state_31 = init_32_arg_1 [L69] SORT_1 init_34_arg_1 = var_9; [L70] state_33 = init_34_arg_1 [L71] SORT_1 init_36_arg_1 = var_9; [L72] state_35 = init_36_arg_1 [L73] SORT_1 init_39_arg_1 = var_9; [L74] state_38 = init_39_arg_1 [L75] SORT_1 init_41_arg_1 = var_9; [L76] state_40 = init_41_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, mask_SORT_1=1, msb_SORT_1=1, state_10=0, state_12=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_38=0, state_40=0, var_17=1, var_9=0] [L79] input_2 = __VERIFIER_nondet_uchar() [L80] input_3 = __VERIFIER_nondet_uchar() [L81] input_4 = __VERIFIER_nondet_uchar() [L82] input_5 = __VERIFIER_nondet_uchar() [L83] input_6 = __VERIFIER_nondet_uchar() [L84] EXPR input_6 & mask_SORT_1 [L84] input_6 = input_6 & mask_SORT_1 [L85] input_7 = __VERIFIER_nondet_uchar() [L86] EXPR input_7 & mask_SORT_1 [L86] input_7 = input_7 & mask_SORT_1 [L87] input_8 = __VERIFIER_nondet_uchar() [L88] EXPR input_8 & mask_SORT_1 [L88] input_8 = input_8 & mask_SORT_1 [L91] SORT_1 var_14_arg_0 = state_10; [L92] SORT_1 var_14_arg_1 = state_12; [L93] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L94] SORT_1 var_18_arg_0 = var_14; [L95] SORT_1 var_18 = ~var_18_arg_0; [L96] SORT_1 var_19_arg_0 = var_17; [L97] SORT_1 var_19_arg_1 = var_18; [L98] EXPR var_19_arg_0 & var_19_arg_1 [L98] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L99] EXPR var_19 & mask_SORT_1 [L99] var_19 = var_19 & mask_SORT_1 [L100] SORT_1 bad_20_arg_0 = var_19; [L101] CALL __VERIFIER_assert(!(bad_20_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 142.6MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.81ms. Allocated memory is still 190.8MB. Free memory was 144.8MB in the beginning and 127.9MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.78ms. Allocated memory is still 190.8MB. Free memory was 127.9MB in the beginning and 119.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 162.17ms. Allocated memory is still 190.8MB. Free memory was 119.0MB in the beginning and 115.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1977.42ms. Allocated memory is still 190.8MB. Free memory was 115.5MB in the beginning and 125.7MB in the end (delta: -10.1MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * CodeCheck took 1474.74ms. Allocated memory is still 190.8MB. Free memory was 125.7MB in the beginning and 83.6MB in the end (delta: 42.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 16.02ms. Allocated memory is still 190.8MB. Free memory was 82.7MB in the beginning and 82.7MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:56:58,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/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 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_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL --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 c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:57:01,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:02,161 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-19 03:57:02,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:02,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:02,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:02,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:02,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:02,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:02,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:02,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:02,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:02,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:02,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:02,246 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:57:02,247 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:57:02,248 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:57:02,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:02,249 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:02,251 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:02,251 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:02,252 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:02,253 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:02,253 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:57:02,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:02,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:02,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:02,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:02,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:02,257 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:57:02,259 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:02,259 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:02,260 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:57:02,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:57:02,261 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_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9d109b493cd6a4f14cdfea06aadcc172a16a2368d784cf5cde1e78a2b0f69e6 [2023-11-19 03:57:02,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:02,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:02,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:02,814 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:02,814 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:02,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c [2023-11-19 03:57:06,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:07,172 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:07,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c [2023-11-19 03:57:07,187 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/data/30a1843de/3d6a278814914c859dc903e7179e1291/FLAGd1ca8823f [2023-11-19 03:57:07,212 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/data/30a1843de/3d6a278814914c859dc903e7179e1291 [2023-11-19 03:57:07,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:07,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:07,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:07,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:07,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:07,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:07,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53010479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07, skipping insertion in model container [2023-11-19 03:57:07,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:07,272 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:07,477 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_ee84c379-fae7-4c95-9d88-f0ece617adf6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262] [2023-11-19 03:57:07,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:07,658 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:07,678 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_ee84c379-fae7-4c95-9d88-f0ece617adf6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v2.c[1249,1262] [2023-11-19 03:57:07,764 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:07,800 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:07,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07 WrapperNode [2023-11-19 03:57:07,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:07,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:07,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:07,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:07,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:07,838 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:07,918 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 249 [2023-11-19 03:57:07,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:07,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:07,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:07,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:07,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:07,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:07,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:07,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:07,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:08,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:08,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:08,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:08,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:08,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:08,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:08,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:08,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:07" (1/1) ... [2023-11-19 03:57:08,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:08,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:08,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:08,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:57:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:08,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:08,343 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:08,356 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:08,935 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:08,983 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:08,983 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:57:08,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:08 BoogieIcfgContainer [2023-11-19 03:57:08,990 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:08,992 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:08,993 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:09,006 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:09,006 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:08" (1/1) ... [2023-11-19 03:57:09,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:57:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:09,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:57:09,103 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:57:09,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:57:09,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:09,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:09,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:57:09,116 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:57:09,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:57:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:09,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:57:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:09,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:57:09,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:09,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:09,796 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:57:09,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:57:09,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:09,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-19 03:57:09,916 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-19 03:57:09,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:57:09,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:09,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:09,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:57:09,920 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:57:09,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:57:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:10,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:57:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:10,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 03:57:10,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:10,921 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:57:10,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:57:11,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 11 states and 17 transitions. [2023-11-19 03:57:11,741 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. [2023-11-19 03:57:11,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:57:11,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:11,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:11,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:57:11,746 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:57:11,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:57:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:12,164 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:57:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:12,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 81 conjunts are in the unsatisfiable core [2023-11-19 03:57:12,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:13,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:57:15,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:15,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 14 states and 26 transitions. [2023-11-19 03:57:15,338 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 26 transitions. [2023-11-19 03:57:15,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:57:15,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:15,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:57:15,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:57:15,345 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:57:15,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:57:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:15,932 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:57:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:16,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 156 conjunts are in the unsatisfiable core [2023-11-19 03:57:16,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:23,577 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:57:23,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee84c379-fae7-4c95-9d88-f0ece617adf6/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 03:57:32,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]