./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/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_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 22:10:24,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:24,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-24 22:10:24,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:24,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:24,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:24,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:24,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:24,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:24,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:24,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:24,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:24,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:24,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:24,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:24,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:24,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:24,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:24,705 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:24,706 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:24,707 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:24,707 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:24,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:24,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:24,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:24,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:24,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:24,711 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:24,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:24,712 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:24,713 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_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 275f3564868260c0f8bba92723013207b6a72ca364aead8f492ecb284c649797 [2023-11-24 22:10:25,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:25,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:25,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:25,088 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:25,089 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:25,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c [2023-11-24 22:10:28,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:28,647 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:28,648 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c [2023-11-24 22:10:28,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/data/630a5dec6/dcfa8576564b4468b4876fc9c7d28461/FLAG1ea01d692 [2023-11-24 22:10:28,681 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/data/630a5dec6/dcfa8576564b4468b4876fc9c7d28461 [2023-11-24 22:10:28,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:28,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:28,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:28,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:28,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:28,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d92f020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:28, skipping insertion in model container [2023-11-24 22:10:28,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:28" (1/1) ... [2023-11-24 22:10:28,746 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:28,893 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_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1298,1311] [2023-11-24 22:10:28,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:28,966 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:28,981 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_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1298,1311] [2023-11-24 22:10:29,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:29,039 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:29,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29 WrapperNode [2023-11-24 22:10:29,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:29,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:29,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:29,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:29,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,126 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 381 [2023-11-24 22:10:29,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:29,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:29,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:29,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:29,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,164 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:29,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:29,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:29,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:29,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:29" (1/1) ... [2023-11-24 22:10:29,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:29,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:29,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:29,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:29,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:29,429 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:29,432 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:30,050 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:30,604 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:30,604 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:10:30,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:30 BoogieIcfgContainer [2023-11-24 22:10:30,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:30,608 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:30,608 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:30,618 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:30,618 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:30" (1/1) ... [2023-11-24 22:10:30,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:30,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:30,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-24 22:10:30,699 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-24 22:10:30,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:10:30,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:30,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:31,156 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:10:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:31,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:10:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:10:31,639 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:10:31,690 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-24 22:10:31,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:10:31 ImpRootNode [2023-11-24 22:10:31,701 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:10:31,703 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:10:31,704 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:10:31,704 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:10:31,705 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:30" (3/4) ... [2023-11-24 22:10:31,709 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:10:31,710 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:10:31,712 INFO L158 Benchmark]: Toolchain (without parser) took 3022.00ms. Allocated memory is still 188.7MB. Free memory was 155.3MB in the beginning and 111.9MB in the end (delta: 43.4MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2023-11-24 22:10:31,713 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:31,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.31ms. Allocated memory is still 188.7MB. Free memory was 155.3MB in the beginning and 140.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:10:31,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.53ms. Allocated memory is still 188.7MB. Free memory was 140.7MB in the beginning and 135.6MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:10:31,716 INFO L158 Benchmark]: Boogie Preprocessor took 59.42ms. Allocated memory is still 188.7MB. Free memory was 135.6MB in the beginning and 133.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:31,720 INFO L158 Benchmark]: RCFGBuilder took 1419.32ms. Allocated memory is still 188.7MB. Free memory was 133.0MB in the beginning and 78.1MB in the end (delta: 54.9MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:31,721 INFO L158 Benchmark]: CodeCheck took 1094.02ms. Allocated memory is still 188.7MB. Free memory was 78.1MB in the beginning and 112.8MB in the end (delta: -34.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:31,722 INFO L158 Benchmark]: Witness Printer took 7.12ms. Allocated memory is still 188.7MB. Free memory was 112.8MB in the beginning and 111.9MB in the end (delta: 880.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:31,732 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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 0.36ms. Allocated memory is still 117.4MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.31ms. Allocated memory is still 188.7MB. Free memory was 155.3MB in the beginning and 140.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.53ms. Allocated memory is still 188.7MB. Free memory was 140.7MB in the beginning and 135.6MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.42ms. Allocated memory is still 188.7MB. Free memory was 135.6MB in the beginning and 133.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1419.32ms. Allocated memory is still 188.7MB. Free memory was 133.0MB in the beginning and 78.1MB in the end (delta: 54.9MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * CodeCheck took 1094.02ms. Allocated memory is still 188.7MB. Free memory was 78.1MB in the beginning and 112.8MB in the end (delta: -34.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.12ms. Allocated memory is still 188.7MB. Free memory was 112.8MB in the beginning and 111.9MB in the end (delta: 880.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:10:31,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/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_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/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_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 22:10:34,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:34,540 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-24 22:10:34,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:34,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:34,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:34,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:34,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:34,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:34,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:34,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:34,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:34,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:34,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:34,577 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:10:34,578 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:10:34,578 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:10:34,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:34,579 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:34,579 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:34,580 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:34,580 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:34,581 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:34,581 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:10:34,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:34,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:34,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:34,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:34,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:34,584 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:10:34,584 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:34,584 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:34,585 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:10:34,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:10:34,585 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_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 275f3564868260c0f8bba92723013207b6a72ca364aead8f492ecb284c649797 [2023-11-24 22:10:34,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:34,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:34,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:34,996 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:34,997 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:34,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c [2023-11-24 22:10:38,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:38,552 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:38,553 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c [2023-11-24 22:10:38,565 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/data/f1d211ca0/be2405c11ea445ce81a7481df243bc2b/FLAG3da439a8c [2023-11-24 22:10:38,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/data/f1d211ca0/be2405c11ea445ce81a7481df243bc2b [2023-11-24 22:10:38,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:38,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:38,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:38,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:38,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:38,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:38" (1/1) ... [2023-11-24 22:10:38,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2744c717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:38, skipping insertion in model container [2023-11-24 22:10:38,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:38" (1/1) ... [2023-11-24 22:10:38,657 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:38,861 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_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1298,1311] [2023-11-24 22:10:38,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:38,999 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:39,020 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_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul2.c[1298,1311] [2023-11-24 22:10:39,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:39,104 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:39,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:39 WrapperNode [2023-11-24 22:10:39,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:39,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:39,107 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:39,107 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:39,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:39" (1/1) ... [2023-11-24 22:10:39,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:39" (1/1) ... [2023-11-24 22:10:39,190 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 207 [2023-11-24 22:10:39,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:39,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:39,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:39,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:39,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:39" (1/1) ... [2023-11-24 22:10:39,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:39" (1/1) ... [2023-11-24 22:10:39,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:39" (1/1) ... [2023-11-24 22:10:39,231 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:39" (1/1) ... [2023-11-24 22:10:39,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:39" (1/1) ... [2023-11-24 22:10:39,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:39" (1/1) ... [2023-11-24 22:10:39,256 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:39" (1/1) ... [2023-11-24 22:10:39,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:39" (1/1) ... [2023-11-24 22:10:39,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:39,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:39,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:39,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:39,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:39" (1/1) ... [2023-11-24 22:10:39,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:39,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:39,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:39,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:10:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:39,517 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:39,520 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:42,016 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:42,097 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:42,097 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:10:42,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:42 BoogieIcfgContainer [2023-11-24 22:10:42,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:42,102 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:42,103 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:42,113 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:42,113 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:42" (1/1) ... [2023-11-24 22:10:42,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:42,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:42,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-24 22:10:42,204 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-24 22:10:42,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:10:42,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:42,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:42,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:10:42,210 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:10:42,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:10:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:42,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:10:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:42,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:10:42,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:42,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:10:42,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:10:43,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:43,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-24 22:10:43,831 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-24 22:10:43,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:10:43,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:43,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:43,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:10:43,837 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:10:43,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:10:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:44,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:10:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:45,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 60 conjunts are in the unsatisfiable core [2023-11-24 22:10:45,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:46,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:10:46,493 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:10:46,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:10:50,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:50,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 11 states and 18 transitions. [2023-11-24 22:10:50,496 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 18 transitions. [2023-11-24 22:10:50,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:10:50,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:50,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:10:50,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:10:50,499 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:10:50,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:10:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:52,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:11:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-24 22:11:02,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 22:11:02,750 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) [2023-11-24 22:11:02,754 INFO L158 Benchmark]: Toolchain (without parser) took 24159.24ms. Allocated memory is still 127.9MB. Free memory was 102.7MB in the beginning and 59.2MB in the end (delta: 43.5MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2023-11-24 22:11:02,755 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 67.1MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:02,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.44ms. Allocated memory is still 127.9MB. Free memory was 102.5MB in the beginning and 87.9MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:11:02,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.60ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 85.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:11:02,757 INFO L158 Benchmark]: Boogie Preprocessor took 76.82ms. Allocated memory is still 127.9MB. Free memory was 85.3MB in the beginning and 83.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:11:02,757 INFO L158 Benchmark]: RCFGBuilder took 2831.63ms. Allocated memory is still 127.9MB. Free memory was 83.6MB in the beginning and 101.9MB in the end (delta: -18.3MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-11-24 22:11:02,758 INFO L158 Benchmark]: CodeCheck took 20650.50ms. Allocated memory is still 127.9MB. Free memory was 101.4MB in the beginning and 59.2MB in the end (delta: 42.2MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2023-11-24 22:11:02,767 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 0.62ms. Allocated memory is still 67.1MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.44ms. Allocated memory is still 127.9MB. Free memory was 102.5MB in the beginning and 87.9MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.60ms. Allocated memory is still 127.9MB. Free memory was 87.9MB in the beginning and 85.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.82ms. Allocated memory is still 127.9MB. Free memory was 85.3MB in the beginning and 83.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2831.63ms. Allocated memory is still 127.9MB. Free memory was 83.6MB in the beginning and 101.9MB in the end (delta: -18.3MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * CodeCheck took 20650.50ms. Allocated memory is still 127.9MB. Free memory was 101.4MB in the beginning and 59.2MB in the end (delta: 42.2MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:11:02,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b8c5cf5-8725-44f2-9cb6-b1aa5855e29d/bin/ukojak-verify-afCqCEvfdi/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