./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0acb12ce5c1df780b96c69890f213c2ccd377bcb999df28d010d244cee6d0555 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:42:58,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:42:58,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-11 23:42:58,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:42:58,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:42:58,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:42:58,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:42:58,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:42:58,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:42:58,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:42:58,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:42:58,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:42:58,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:42:58,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:42:58,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:42:58,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:42:58,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:42:58,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:42:58,854 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:42:58,855 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:42:58,855 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:42:58,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:42:58,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:58,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:42:58,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:42:58,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:42:58,859 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:42:58,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:42:58,860 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:42:58,860 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_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0acb12ce5c1df780b96c69890f213c2ccd377bcb999df28d010d244cee6d0555 [2023-11-11 23:42:59,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:42:59,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:42:59,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:42:59,201 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:42:59,202 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:42:59,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul1.c [2023-11-11 23:43:02,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:43:02,678 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:43:02,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul1.c [2023-11-11 23:43:02,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/data/ceba16255/09e28ac27b9f4042a064855eb0cb5b92/FLAG35a32b218 [2023-11-11 23:43:02,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/data/ceba16255/09e28ac27b9f4042a064855eb0cb5b92 [2023-11-11 23:43:02,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:43:02,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:43:02,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:02,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:43:02,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:43:02,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:02" (1/1) ... [2023-11-11 23:43:02,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e98f02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:02, skipping insertion in model container [2023-11-11 23:43:02,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:02" (1/1) ... [2023-11-11 23:43:02,773 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:43:02,939 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_f06752e6-86b7-4857-8911-6d34ef7277fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul1.c[1244,1257] [2023-11-11 23:43:03,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:03,010 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:43:03,021 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_f06752e6-86b7-4857-8911-6d34ef7277fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul1.c[1244,1257] [2023-11-11 23:43:03,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:03,081 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:43:03,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:03 WrapperNode [2023-11-11 23:43:03,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:03,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:03,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:43:03,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:43:03,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:03" (1/1) ... [2023-11-11 23:43:03,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:03" (1/1) ... [2023-11-11 23:43:03,172 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 381 [2023-11-11 23:43:03,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:03,173 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:43:03,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:43:03,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:43:03,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:03" (1/1) ... [2023-11-11 23:43:03,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:03" (1/1) ... [2023-11-11 23:43:03,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:03" (1/1) ... [2023-11-11 23:43:03,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:03" (1/1) ... [2023-11-11 23:43:03,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:03" (1/1) ... [2023-11-11 23:43:03,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:03" (1/1) ... [2023-11-11 23:43:03,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:03" (1/1) ... [2023-11-11 23:43:03,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:03" (1/1) ... [2023-11-11 23:43:03,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:43:03,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:43:03,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:43:03,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:43:03,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:03" (1/1) ... [2023-11-11 23:43:03,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:03,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:43:03,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:43:03,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:43:03,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:43:03,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:43:03,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:43:03,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:43:03,460 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:43:03,483 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:43:04,245 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:43:04,886 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:43:04,887 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:43:04,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:04 BoogieIcfgContainer [2023-11-11 23:43:04,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:43:04,892 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:43:04,892 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:43:04,903 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:43:04,903 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:04" (1/1) ... [2023-11-11 23:43:04,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:43:04,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:04,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:43:04,988 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:43:04,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:43:04,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:04,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:43:05,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:43:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:43:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:43:05,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:43:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:43:05,820 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:43:05,849 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-11 23:43:05,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:43:05 ImpRootNode [2023-11-11 23:43:05,864 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:43:05,867 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:43:05,867 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:43:05,868 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:43:05,869 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:04" (3/4) ... [2023-11-11 23:43:05,874 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:43:05,875 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:43:05,877 INFO L158 Benchmark]: Toolchain (without parser) took 3159.82ms. Allocated memory was 132.1MB in the beginning and 195.0MB in the end (delta: 62.9MB). Free memory was 93.4MB in the beginning and 105.6MB in the end (delta: -12.1MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2023-11-11 23:43:05,878 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory was 79.3MB in the beginning and 79.2MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:43:05,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.81ms. Allocated memory is still 132.1MB. Free memory was 93.1MB in the beginning and 78.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:43:05,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.10ms. Allocated memory is still 132.1MB. Free memory was 78.8MB in the beginning and 73.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:43:05,882 INFO L158 Benchmark]: Boogie Preprocessor took 92.10ms. Allocated memory is still 132.1MB. Free memory was 73.6MB in the beginning and 71.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:43:05,884 INFO L158 Benchmark]: RCFGBuilder took 1624.89ms. Allocated memory was 132.1MB in the beginning and 195.0MB in the end (delta: 62.9MB). Free memory was 71.1MB in the beginning and 146.5MB in the end (delta: -75.4MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. [2023-11-11 23:43:05,887 INFO L158 Benchmark]: CodeCheck took 972.51ms. Allocated memory is still 195.0MB. Free memory was 146.5MB in the beginning and 106.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-11 23:43:05,888 INFO L158 Benchmark]: Witness Printer took 8.49ms. Allocated memory is still 195.0MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:43:05,904 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: 0.9s, 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 bitwiseAnd at line 75. 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_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 64); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (64 - 1); [L35] const SORT_9 var_10 = 0; [L36] const SORT_1 var_18 = 1; [L37] const SORT_5 var_22 = 0; [L39] SORT_1 input_2; [L40] SORT_1 input_3; [L41] SORT_1 input_4; [L42] SORT_5 input_6; [L43] SORT_5 input_7; [L44] SORT_1 input_8; [L46] EXPR __VERIFIER_nondet_ulong() & mask_SORT_9 [L46] SORT_9 state_11 = __VERIFIER_nondet_ulong() & mask_SORT_9; [L47] EXPR __VERIFIER_nondet_ulong() & mask_SORT_9 [L47] SORT_9 state_13 = __VERIFIER_nondet_ulong() & mask_SORT_9; [L48] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 [L48] SORT_5 state_23 = __VERIFIER_nondet_uint() & mask_SORT_5; [L49] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 [L49] SORT_5 state_25 = __VERIFIER_nondet_uint() & mask_SORT_5; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L50] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L51] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 [L52] SORT_5 state_31 = __VERIFIER_nondet_uint() & mask_SORT_5; [L53] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 [L53] SORT_5 state_33 = __VERIFIER_nondet_uint() & mask_SORT_5; [L55] SORT_9 init_12_arg_1 = var_10; [L56] state_11 = init_12_arg_1 [L57] SORT_9 init_14_arg_1 = var_10; [L58] state_13 = init_14_arg_1 [L59] SORT_5 init_24_arg_1 = var_22; [L60] state_23 = init_24_arg_1 [L61] SORT_5 init_26_arg_1 = var_22; [L62] state_25 = init_26_arg_1 [L63] SORT_1 init_28_arg_1 = var_18; [L64] state_27 = init_28_arg_1 [L65] SORT_1 init_30_arg_1 = var_18; [L66] state_29 = init_30_arg_1 [L67] SORT_5 init_32_arg_1 = var_22; [L68] state_31 = init_32_arg_1 [L69] SORT_5 init_34_arg_1 = var_22; [L70] state_33 = init_34_arg_1 VAL [init_12_arg_1=0, init_14_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=1, init_30_arg_1=1, init_32_arg_1=0, init_34_arg_1=0, mask_SORT_1=1, mask_SORT_5=4294967295, mask_SORT_9=18446744073709551615, msb_SORT_1=1, msb_SORT_5=2147483648, msb_SORT_9=9223372036854775808, state_11=0, state_13=0, state_23=0, state_25=0, state_27=1, state_29=1, state_31=0, state_33=0, var_10=0, var_18=1, var_22=0] [L73] input_2 = __VERIFIER_nondet_uchar() [L74] input_3 = __VERIFIER_nondet_uchar() [L75] EXPR input_3 & mask_SORT_1 [L75] input_3 = input_3 & mask_SORT_1 [L76] input_4 = __VERIFIER_nondet_uchar() [L77] EXPR input_4 & mask_SORT_1 [L77] input_4 = input_4 & mask_SORT_1 [L78] input_6 = __VERIFIER_nondet_uint() [L79] input_7 = __VERIFIER_nondet_uint() [L80] input_8 = __VERIFIER_nondet_uchar() [L81] EXPR input_8 & mask_SORT_1 [L81] input_8 = input_8 & mask_SORT_1 [L84] SORT_9 var_15_arg_0 = state_11; [L85] SORT_9 var_15_arg_1 = state_13; [L86] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L87] SORT_1 var_19_arg_0 = var_15; [L88] SORT_1 var_19 = ~var_19_arg_0; [L89] SORT_1 var_20_arg_0 = var_18; [L90] SORT_1 var_20_arg_1 = var_19; [L91] EXPR var_20_arg_0 & var_20_arg_1 [L91] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L92] EXPR var_20 & mask_SORT_1 [L92] var_20 = var_20 & mask_SORT_1 [L93] SORT_1 bad_21_arg_0 = var_20; [L94] CALL __VERIFIER_assert(!(bad_21_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 0.31ms. Allocated memory is still 132.1MB. Free memory was 79.3MB in the beginning and 79.2MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.81ms. Allocated memory is still 132.1MB. Free memory was 93.1MB in the beginning and 78.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.10ms. Allocated memory is still 132.1MB. Free memory was 78.8MB in the beginning and 73.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.10ms. Allocated memory is still 132.1MB. Free memory was 73.6MB in the beginning and 71.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1624.89ms. Allocated memory was 132.1MB in the beginning and 195.0MB in the end (delta: 62.9MB). Free memory was 71.1MB in the beginning and 146.5MB in the end (delta: -75.4MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. * CodeCheck took 972.51ms. Allocated memory is still 195.0MB. Free memory was 146.5MB in the beginning and 106.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 8.49ms. Allocated memory is still 195.0MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:43:05,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/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_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0acb12ce5c1df780b96c69890f213c2ccd377bcb999df28d010d244cee6d0555 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:43:08,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:43:08,845 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-11 23:43:08,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:43:08,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:43:08,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:43:08,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:43:08,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:43:08,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:43:08,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:43:08,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:43:08,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:43:08,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:43:08,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:43:08,908 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:43:08,908 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:43:08,909 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:43:08,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:43:08,910 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:43:08,911 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:43:08,911 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:43:08,912 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:43:08,912 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:43:08,913 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:43:08,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:43:08,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:08,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:43:08,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:43:08,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:43:08,915 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:43:08,917 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:43:08,917 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:43:08,917 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:43:08,918 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:43:08,918 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_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0acb12ce5c1df780b96c69890f213c2ccd377bcb999df28d010d244cee6d0555 [2023-11-11 23:43:09,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:43:09,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:43:09,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:43:09,408 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:43:09,409 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:43:09,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul1.c [2023-11-11 23:43:12,581 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:43:12,887 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:43:12,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul1.c [2023-11-11 23:43:12,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/data/3523af86f/11f46f59903c466ca660191fe0b20760/FLAG353765cc3 [2023-11-11 23:43:12,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/data/3523af86f/11f46f59903c466ca660191fe0b20760 [2023-11-11 23:43:12,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:43:12,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:43:12,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:12,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:43:12,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:43:12,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:12" (1/1) ... [2023-11-11 23:43:12,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76afad30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:12, skipping insertion in model container [2023-11-11 23:43:12,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:12" (1/1) ... [2023-11-11 23:43:12,960 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:43:13,115 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_f06752e6-86b7-4857-8911-6d34ef7277fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul1.c[1244,1257] [2023-11-11 23:43:13,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:13,201 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:43:13,224 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_f06752e6-86b7-4857-8911-6d34ef7277fa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul1.c[1244,1257] [2023-11-11 23:43:13,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:13,304 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:43:13,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:13 WrapperNode [2023-11-11 23:43:13,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:13,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:13,307 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:43:13,307 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:43:13,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:13" (1/1) ... [2023-11-11 23:43:13,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:13" (1/1) ... [2023-11-11 23:43:13,410 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 207 [2023-11-11 23:43:13,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:13,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:43:13,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:43:13,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:43:13,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:13" (1/1) ... [2023-11-11 23:43:13,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:13" (1/1) ... [2023-11-11 23:43:13,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:13" (1/1) ... [2023-11-11 23:43:13,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:13" (1/1) ... [2023-11-11 23:43:13,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:13" (1/1) ... [2023-11-11 23:43:13,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:13" (1/1) ... [2023-11-11 23:43:13,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:13" (1/1) ... [2023-11-11 23:43:13,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:13" (1/1) ... [2023-11-11 23:43:13,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:43:13,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:43:13,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:43:13,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:43:13,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:13" (1/1) ... [2023-11-11 23:43:13,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:13,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:43:13,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:43:13,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:43:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:43:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:43:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:43:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:43:13,744 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:43:13,745 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:43:14,217 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:43:14,307 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:43:14,308 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:43:14,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:14 BoogieIcfgContainer [2023-11-11 23:43:14,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:43:14,313 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:43:14,314 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:43:14,325 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:43:14,326 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:14" (1/1) ... [2023-11-11 23:43:14,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:43:14,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:14,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:43:14,420 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:43:14,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:43:14,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:14,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:43:14,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:43:14,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:43:14,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:43:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:14,612 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:43:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:14,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-11 23:43:14,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:43:15,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:15,021 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:43:15,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:43:15,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:15,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-11 23:43:15,347 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-11 23:43:15,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:43:15,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:15,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:43:15,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:43:15,352 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:43:15,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-11 23:43:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:15,711 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:43:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:15,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-11 23:43:15,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:43:16,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:16,880 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:43:16,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-11 23:43:18,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 11 states and 18 transitions. [2023-11-11 23:43:18,578 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 18 transitions. [2023-11-11 23:43:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:43:18,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:18,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:43:18,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:43:18,580 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:43:18,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-11 23:43:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:19,171 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:43:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-11 23:43:29,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-11 23:43:29,310 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:43:29,314 INFO L158 Benchmark]: Toolchain (without parser) took 16394.60ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 56.2MB in the beginning and 67.3MB in the end (delta: -11.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-11-11 23:43:29,315 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 78.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:43:29,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.19ms. Allocated memory is still 79.7MB. Free memory was 56.0MB in the beginning and 41.6MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:43:29,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.70ms. Allocated memory is still 79.7MB. Free memory was 41.6MB in the beginning and 58.8MB in the end (delta: -17.2MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-11-11 23:43:29,316 INFO L158 Benchmark]: Boogie Preprocessor took 82.52ms. Allocated memory is still 79.7MB. Free memory was 58.8MB in the beginning and 57.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:43:29,317 INFO L158 Benchmark]: RCFGBuilder took 807.88ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 57.0MB in the beginning and 80.5MB in the end (delta: -23.5MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2023-11-11 23:43:29,317 INFO L158 Benchmark]: CodeCheck took 14999.35ms. Allocated memory is still 107.0MB. Free memory was 80.5MB in the beginning and 67.3MB in the end (delta: 13.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-11-11 23:43:29,324 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 55.3MB in the end (delta: 78.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.19ms. Allocated memory is still 79.7MB. Free memory was 56.0MB in the beginning and 41.6MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.70ms. Allocated memory is still 79.7MB. Free memory was 41.6MB in the beginning and 58.8MB in the end (delta: -17.2MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.52ms. Allocated memory is still 79.7MB. Free memory was 58.8MB in the beginning and 57.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 807.88ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 57.0MB in the beginning and 80.5MB in the end (delta: -23.5MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * CodeCheck took 14999.35ms. Allocated memory is still 107.0MB. Free memory was 80.5MB in the beginning and 67.3MB in the end (delta: 13.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:43:29,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f06752e6-86b7-4857-8911-6d34ef7277fa/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown