./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/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_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/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_5ffd99c5-ec2e-42df-8826-a0894d0c8001/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 275f3564868260c0f8bba92723013207b6a72ca364aead8f492ecb284c649797 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:56:34,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:56:34,218 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-11 23:56:34,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:56:34,229 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:56:34,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:56:34,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:56:34,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:56:34,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:56:34,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:56:34,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:56:34,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:56:34,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:56:34,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:56:34,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:56:34,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:56:34,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:56:34,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:56:34,288 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:56:34,289 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:56:34,289 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:56:34,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:56:34,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:34,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:56:34,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:56:34,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:56:34,301 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:56:34,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:56:34,302 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:56:34,303 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_5ffd99c5-ec2e-42df-8826-a0894d0c8001/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 275f3564868260c0f8bba92723013207b6a72ca364aead8f492ecb284c649797 [2023-11-11 23:56:34,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:56:34,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:56:34,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:56:34,699 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:56:34,700 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:56:34,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c [2023-11-11 23:56:37,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:56:38,268 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:56:38,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c [2023-11-11 23:56:38,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/data/2838fc008/586898fb9e6c48e3adf288b39b3655f7/FLAG24ed048e5 [2023-11-11 23:56:38,301 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/data/2838fc008/586898fb9e6c48e3adf288b39b3655f7 [2023-11-11 23:56:38,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:56:38,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:56:38,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:38,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:56:38,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:56:38,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:38" (1/1) ... [2023-11-11 23:56:38,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ee42f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:38, skipping insertion in model container [2023-11-11 23:56:38,321 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:38" (1/1) ... [2023-11-11 23:56:38,371 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:56:38,591 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_5ffd99c5-ec2e-42df-8826-a0894d0c8001/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1298,1311] [2023-11-11 23:56:38,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:38,680 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:56:38,692 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_5ffd99c5-ec2e-42df-8826-a0894d0c8001/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1298,1311] [2023-11-11 23:56:38,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:38,758 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:56:38,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:38 WrapperNode [2023-11-11 23:56:38,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:38,760 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:38,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:56:38,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:56:38,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:38" (1/1) ... [2023-11-11 23:56:38,782 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:38" (1/1) ... [2023-11-11 23:56:38,839 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 381 [2023-11-11 23:56:38,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:38,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:56:38,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:56:38,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:56:38,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:38" (1/1) ... [2023-11-11 23:56:38,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:38" (1/1) ... [2023-11-11 23:56:38,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:38" (1/1) ... [2023-11-11 23:56:38,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:38" (1/1) ... [2023-11-11 23:56:38,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:38" (1/1) ... [2023-11-11 23:56:38,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:38" (1/1) ... [2023-11-11 23:56:38,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:38" (1/1) ... [2023-11-11 23:56:38,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:38" (1/1) ... [2023-11-11 23:56:38,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:56:38,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:56:38,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:56:38,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:56:38,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:38" (1/1) ... [2023-11-11 23:56:38,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:38,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:56:38,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:56:38,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:56:39,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:56:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:56:39,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:56:39,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:56:39,167 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:56:39,170 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:56:39,862 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:56:40,553 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:56:40,554 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:56:40,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:40 BoogieIcfgContainer [2023-11-11 23:56:40,558 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:56:40,560 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:56:40,560 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:56:40,570 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:56:40,570 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:40" (1/1) ... [2023-11-11 23:56:40,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:56:40,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:40,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:56:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:56:40,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:56:40,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:40,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:56:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:56:41,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:56:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:56:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:56:41,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:56:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:56:41,530 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:56:41,575 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-11 23:56:41,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:56:41 ImpRootNode [2023-11-11 23:56:41,582 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:56:41,583 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:56:41,583 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:56:41,583 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:56:41,584 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:40" (3/4) ... [2023-11-11 23:56:41,592 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:56:41,593 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:56:41,595 INFO L158 Benchmark]: Toolchain (without parser) took 3285.49ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 113.8MB in the beginning and 116.3MB in the end (delta: -2.6MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2023-11-11 23:56:41,595 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 159.4MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:41,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.61ms. Allocated memory is still 159.4MB. Free memory was 113.2MB in the beginning and 99.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:56:41,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.43ms. Allocated memory is still 159.4MB. Free memory was 99.0MB in the beginning and 93.7MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:56:41,599 INFO L158 Benchmark]: Boogie Preprocessor took 59.16ms. Allocated memory is still 159.4MB. Free memory was 93.7MB in the beginning and 91.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:41,601 INFO L158 Benchmark]: RCFGBuilder took 1657.57ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 91.3MB in the beginning and 158.3MB in the end (delta: -67.0MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2023-11-11 23:56:41,603 INFO L158 Benchmark]: CodeCheck took 1022.99ms. Allocated memory is still 203.4MB. Free memory was 158.3MB in the beginning and 116.3MB in the end (delta: 41.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-11 23:56:41,604 INFO L158 Benchmark]: Witness Printer took 10.61ms. Allocated memory is still 203.4MB. Free memory was 116.3MB in the beginning and 116.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:41,613 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: 22]: 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 76. Possible FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L30] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 64); [L31] const SORT_5 msb_SORT_5 = (SORT_5)1 << (64 - 1); [L33] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 128); [L34] const SORT_9 msb_SORT_9 = (SORT_9)1 << (128 - 1); [L36] const SORT_9 var_10 = 0; [L37] const SORT_1 var_18 = 1; [L38] const SORT_5 var_22 = 0; [L40] SORT_1 input_2; [L41] SORT_1 input_3; [L42] SORT_1 input_4; [L43] SORT_5 input_6; [L44] SORT_5 input_7; [L45] SORT_1 input_8; [L47] EXPR __VERIFIER_nondet_uint128() & mask_SORT_9 [L47] SORT_9 state_11 = __VERIFIER_nondet_uint128() & mask_SORT_9; [L48] EXPR __VERIFIER_nondet_uint128() & mask_SORT_9 [L48] SORT_9 state_13 = __VERIFIER_nondet_uint128() & mask_SORT_9; [L49] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 [L49] SORT_5 state_23 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L50] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 [L50] SORT_5 state_25 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L51] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L52] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 [L53] SORT_5 state_31 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L54] EXPR __VERIFIER_nondet_ulong() & mask_SORT_5 [L54] SORT_5 state_33 = __VERIFIER_nondet_ulong() & mask_SORT_5; [L56] SORT_9 init_12_arg_1 = var_10; [L57] state_11 = init_12_arg_1 [L58] SORT_9 init_14_arg_1 = var_10; [L59] state_13 = init_14_arg_1 [L60] SORT_5 init_24_arg_1 = var_22; [L61] state_23 = init_24_arg_1 [L62] SORT_5 init_26_arg_1 = var_22; [L63] state_25 = init_26_arg_1 [L64] SORT_1 init_28_arg_1 = var_18; [L65] state_27 = init_28_arg_1 [L66] SORT_1 init_30_arg_1 = var_18; [L67] state_29 = init_30_arg_1 [L68] SORT_5 init_32_arg_1 = var_22; [L69] state_31 = init_32_arg_1 [L70] SORT_5 init_34_arg_1 = var_22; [L71] 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=18446744073709551615, mask_SORT_9=340282366920938463463374607431768211455, msb_SORT_1=1, msb_SORT_5=9223372036854775808, msb_SORT_9=170141183460469231731687303715884105728, 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] [L74] input_2 = __VERIFIER_nondet_uchar() [L75] input_3 = __VERIFIER_nondet_uchar() [L76] EXPR input_3 & mask_SORT_1 [L76] input_3 = input_3 & mask_SORT_1 [L77] input_4 = __VERIFIER_nondet_uchar() [L78] EXPR input_4 & mask_SORT_1 [L78] input_4 = input_4 & mask_SORT_1 [L79] input_6 = __VERIFIER_nondet_ulong() [L80] input_7 = __VERIFIER_nondet_ulong() [L81] input_8 = __VERIFIER_nondet_uchar() [L82] EXPR input_8 & mask_SORT_1 [L82] input_8 = input_8 & mask_SORT_1 [L85] SORT_9 var_15_arg_0 = state_11; [L86] SORT_9 var_15_arg_1 = state_13; [L87] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L88] SORT_1 var_19_arg_0 = var_15; [L89] SORT_1 var_19 = ~var_19_arg_0; [L90] SORT_1 var_20_arg_0 = var_18; [L91] SORT_1 var_20_arg_1 = var_19; [L92] EXPR var_20_arg_0 & var_20_arg_1 [L92] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L93] EXPR var_20 & mask_SORT_1 [L93] var_20 = var_20 & mask_SORT_1 [L94] SORT_1 bad_21_arg_0 = var_20; [L95] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L22] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 159.4MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.61ms. Allocated memory is still 159.4MB. Free memory was 113.2MB in the beginning and 99.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.43ms. Allocated memory is still 159.4MB. Free memory was 99.0MB in the beginning and 93.7MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.16ms. Allocated memory is still 159.4MB. Free memory was 93.7MB in the beginning and 91.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1657.57ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 91.3MB in the beginning and 158.3MB in the end (delta: -67.0MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. * CodeCheck took 1022.99ms. Allocated memory is still 203.4MB. Free memory was 158.3MB in the beginning and 116.3MB in the end (delta: 41.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 10.61ms. Allocated memory is still 203.4MB. Free memory was 116.3MB in the beginning and 116.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:56:41,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/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_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/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_5ffd99c5-ec2e-42df-8826-a0894d0c8001/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 275f3564868260c0f8bba92723013207b6a72ca364aead8f492ecb284c649797 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:56:44,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:56:44,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-11 23:56:44,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:56:44,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:56:44,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:56:44,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:56:44,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:56:44,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:56:44,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:56:44,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:56:44,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:56:44,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:56:44,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:56:44,597 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:56:44,597 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:56:44,598 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:56:44,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:56:44,599 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:56:44,600 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:56:44,601 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:56:44,601 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:56:44,602 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:44,602 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:56:44,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:56:44,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:44,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:56:44,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:56:44,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:56:44,605 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:56:44,606 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:44,607 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:56:44,607 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:56:44,607 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:56:44,608 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_5ffd99c5-ec2e-42df-8826-a0894d0c8001/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 275f3564868260c0f8bba92723013207b6a72ca364aead8f492ecb284c649797 [2023-11-11 23:56:45,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:56:45,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:56:45,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:56:45,085 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:56:45,085 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:56:45,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c [2023-11-11 23:56:48,429 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:56:48,740 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:56:48,740 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c [2023-11-11 23:56:48,751 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/data/872c7a389/d02bdd793dd04631aef21ddd8069f19d/FLAGe20c27b6c [2023-11-11 23:56:48,767 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/data/872c7a389/d02bdd793dd04631aef21ddd8069f19d [2023-11-11 23:56:48,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:56:48,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:56:48,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:48,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:56:48,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:56:48,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:48" (1/1) ... [2023-11-11 23:56:48,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5478f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:48, skipping insertion in model container [2023-11-11 23:56:48,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:48" (1/1) ... [2023-11-11 23:56:48,811 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:56:49,017 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_5ffd99c5-ec2e-42df-8826-a0894d0c8001/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1298,1311] [2023-11-11 23:56:49,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:49,152 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:56:49,171 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_5ffd99c5-ec2e-42df-8826-a0894d0c8001/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1298,1311] [2023-11-11 23:56:49,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:49,255 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:56:49,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:49 WrapperNode [2023-11-11 23:56:49,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:49,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:49,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:56:49,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:56:49,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:49" (1/1) ... [2023-11-11 23:56:49,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:49" (1/1) ... [2023-11-11 23:56:49,343 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 207 [2023-11-11 23:56:49,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:49,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:56:49,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:56:49,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:56:49,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:49" (1/1) ... [2023-11-11 23:56:49,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:49" (1/1) ... [2023-11-11 23:56:49,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:49" (1/1) ... [2023-11-11 23:56:49,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:49" (1/1) ... [2023-11-11 23:56:49,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:49" (1/1) ... [2023-11-11 23:56:49,408 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:49" (1/1) ... [2023-11-11 23:56:49,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:49" (1/1) ... [2023-11-11 23:56:49,413 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:49" (1/1) ... [2023-11-11 23:56:49,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:56:49,417 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:56:49,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:56:49,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:56:49,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:49" (1/1) ... [2023-11-11 23:56:49,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:49,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:56:49,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:56:49,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:56:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:56:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:56:49,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:56:49,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:56:49,703 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:56:49,706 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:56:51,976 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:56:52,020 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:56:52,020 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:56:52,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:52 BoogieIcfgContainer [2023-11-11 23:56:52,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:56:52,024 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:56:52,024 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:56:52,035 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:56:52,035 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:52" (1/1) ... [2023-11-11 23:56:52,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:56:52,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:56:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:56:52,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:56:52,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:52,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:52,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:56:52,108 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:56:52,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:56:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:52,319 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:56:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:52,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-11 23:56:52,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:56:52,706 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 23:56:52,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:56:53,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:53,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-11 23:56:53,894 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-11 23:56:53,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:56:53,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:56:53,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:53,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:56:53,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:56:53,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-11 23:56:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:54,879 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:56:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:56:55,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-11 23:56:55,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:56:56,888 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 23:56:56,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-11 23:57:01,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:01,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 11 states and 18 transitions. [2023-11-11 23:57:01,328 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 18 transitions. [2023-11-11 23:57:01,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:57:01,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:01,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:01,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:57:01,333 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:57:01,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-11 23:57:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:03,321 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:57:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-11 23:57:13,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-11 23:57:13,610 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 23:57:13,613 INFO L158 Benchmark]: Toolchain (without parser) took 24841.68ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 52.0MB in the end (delta: 24.7MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2023-11-11 23:57:13,614 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 77.6MB. Free memory was 54.3MB in the beginning and 54.2MB in the end (delta: 148.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:13,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.38ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 62.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:57:13,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.25ms. Allocated memory is still 100.7MB. Free memory was 62.1MB in the beginning and 59.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:13,615 INFO L158 Benchmark]: Boogie Preprocessor took 72.14ms. Allocated memory is still 100.7MB. Free memory was 59.6MB in the beginning and 58.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:13,616 INFO L158 Benchmark]: RCFGBuilder took 2605.95ms. Allocated memory is still 100.7MB. Free memory was 57.7MB in the beginning and 58.0MB in the end (delta: -315.9kB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-11-11 23:57:13,617 INFO L158 Benchmark]: CodeCheck took 21587.91ms. Allocated memory is still 100.7MB. Free memory was 57.6MB in the beginning and 52.0MB in the end (delta: 5.6MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-11-11 23:57:13,621 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 0.67ms. Allocated memory is still 77.6MB. Free memory was 54.3MB in the beginning and 54.2MB in the end (delta: 148.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.38ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 62.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.25ms. Allocated memory is still 100.7MB. Free memory was 62.1MB in the beginning and 59.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.14ms. Allocated memory is still 100.7MB. Free memory was 59.6MB in the beginning and 58.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2605.95ms. Allocated memory is still 100.7MB. Free memory was 57.7MB in the beginning and 58.0MB in the end (delta: -315.9kB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * CodeCheck took 21587.91ms. Allocated memory is still 100.7MB. Free memory was 57.6MB in the beginning and 52.0MB in the end (delta: 5.6MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:57:13,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ffd99c5-ec2e-42df-8826-a0894d0c8001/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