./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC --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 5335ff3ae60d503c7989a0baf091bf4ee05fe6735e77308a3563d234056465f1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:14:02,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:14:02,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:14:02,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:14:02,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:14:02,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:14:02,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:14:02,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:14:02,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:14:02,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:14:02,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:14:02,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:14:02,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:14:02,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:14:02,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:14:02,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:14:02,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:14:02,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:14:02,674 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:14:02,674 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:14:02,675 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:14:02,675 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:14:02,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:14:02,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:14:02,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:14:02,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:14:02,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:14:02,679 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:14:02,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:14:02,680 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:14:02,681 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_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5335ff3ae60d503c7989a0baf091bf4ee05fe6735e77308a3563d234056465f1 [2023-11-23 20:14:02,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:14:03,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:14:03,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:14:03,042 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:14:03,043 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:14:03,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c [2023-11-23 20:14:06,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:14:06,573 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:14:06,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c [2023-11-23 20:14:06,595 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/data/b5439c4d9/992139855e5744f8a1909bdcc4005031/FLAG332a27e2b [2023-11-23 20:14:06,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/data/b5439c4d9/992139855e5744f8a1909bdcc4005031 [2023-11-23 20:14:06,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:14:06,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:14:06,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:14:06,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:14:06,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:14:06,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:14:06" (1/1) ... [2023-11-23 20:14:06,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78cb3453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:06, skipping insertion in model container [2023-11-23 20:14:06,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:14:06" (1/1) ... [2023-11-23 20:14:06,733 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:14:06,930 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_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c[1175,1188] [2023-11-23 20:14:07,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:14:07,344 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:14:07,355 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_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c[1175,1188] [2023-11-23 20:14:07,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:14:07,570 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:14:07,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07 WrapperNode [2023-11-23 20:14:07,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:14:07,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:14:07,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:14:07,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:14:07,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:07,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:08,127 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3642 [2023-11-23 20:14:08,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:14:08,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:14:08,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:14:08,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:14:08,140 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:08,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:08,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:08,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:08,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:08,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:08,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:08,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:08,648 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:14:08,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:14:08,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:14:08,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:14:08,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:07" (1/1) ... [2023-11-23 20:14:08,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:14:08,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:14:08,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:14:08,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:14:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:14:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:14:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:14:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:14:09,148 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:14:09,151 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:14:12,782 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:14:20,167 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:14:20,168 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:14:20,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:14:20 BoogieIcfgContainer [2023-11-23 20:14:20,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:14:20,172 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:14:20,172 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:14:20,182 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:14:20,183 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:14:20" (1/1) ... [2023-11-23 20:14:20,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:14:20,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:20,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:14:20,269 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:14:20,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:14:20,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:20,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:14:20,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:14:21,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:14:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:14:21,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:14:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:14:22,105 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:14:22,157 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 20:14:22,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:14:22 ImpRootNode [2023-11-23 20:14:22,172 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:14:22,175 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:14:22,175 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:14:22,176 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:14:22,177 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:14:20" (3/4) ... [2023-11-23 20:14:22,181 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:14:22,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:14:22,184 INFO L158 Benchmark]: Toolchain (without parser) took 15551.66ms. Allocated memory was 163.6MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 116.6MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 154.6MB. Max. memory is 16.1GB. [2023-11-23 20:14:22,185 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:14:22,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 937.57ms. Allocated memory is still 163.6MB. Free memory was 116.1MB in the beginning and 71.8MB in the end (delta: 44.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-23 20:14:22,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 556.51ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 71.8MB in the beginning and 97.3MB in the end (delta: -25.5MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-11-23 20:14:22,190 INFO L158 Benchmark]: Boogie Preprocessor took 518.66ms. Allocated memory is still 205.5MB. Free memory was 97.3MB in the beginning and 110.4MB in the end (delta: -13.1MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2023-11-23 20:14:22,193 INFO L158 Benchmark]: RCFGBuilder took 11521.32ms. Allocated memory was 205.5MB in the beginning and 943.7MB in the end (delta: 738.2MB). Free memory was 110.4MB in the beginning and 730.0MB in the end (delta: -619.6MB). Peak memory consumption was 422.7MB. Max. memory is 16.1GB. [2023-11-23 20:14:22,194 INFO L158 Benchmark]: CodeCheck took 2001.40ms. Allocated memory was 943.7MB in the beginning and 1.9GB in the end (delta: 943.7MB). Free memory was 730.0MB in the beginning and 1.7GB in the end (delta: -958.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:14:22,195 INFO L158 Benchmark]: Witness Printer took 7.45ms. Allocated memory is still 1.9GB. Free memory is still 1.7GB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:14:22,208 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: 1.9s, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 116. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_16 = 0; [L40] const SORT_4 var_39 = 1; [L41] const SORT_4 var_40 = 0; [L42] const SORT_2 var_47 = 1; [L43] const SORT_3 var_49 = 0; [L44] const SORT_4 var_52 = 2; [L45] const SORT_2 var_62 = 0; [L47] SORT_1 input_48; [L48] SORT_1 input_56; [L49] SORT_1 input_63; [L50] SORT_1 input_69; [L51] SORT_1 input_95; [L52] SORT_1 input_99; [L53] SORT_1 input_102; [L54] SORT_1 input_103; [L55] SORT_1 input_109; [L56] SORT_1 input_115; [L57] SORT_1 input_130; [L58] SORT_1 input_148; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L60] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L61] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L62] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L63] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L64] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L65] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L66] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L67] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L68] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L69] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L70] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L71] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L72] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L73] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_2 init_7_arg_1 = var_5; [L78] state_6 = init_7_arg_1 [L79] SORT_2 init_9_arg_1 = var_5; [L80] state_8 = init_9_arg_1 [L81] SORT_2 init_11_arg_1 = var_5; [L82] state_10 = init_11_arg_1 [L83] SORT_2 init_13_arg_1 = var_5; [L84] state_12 = init_13_arg_1 [L85] SORT_2 init_15_arg_1 = var_5; [L86] state_14 = init_15_arg_1 [L87] SORT_1 init_18_arg_1 = var_16; [L88] state_17 = init_18_arg_1 [L89] SORT_1 init_20_arg_1 = var_16; [L90] state_19 = init_20_arg_1 [L91] SORT_1 init_22_arg_1 = var_16; [L92] state_21 = init_22_arg_1 [L93] SORT_1 init_24_arg_1 = var_16; [L94] state_23 = init_24_arg_1 [L95] SORT_1 init_26_arg_1 = var_16; [L96] state_25 = init_26_arg_1 [L97] SORT_1 init_28_arg_1 = var_16; [L98] state_27 = init_28_arg_1 [L99] SORT_1 init_30_arg_1 = var_16; [L100] state_29 = init_30_arg_1 [L101] SORT_1 init_32_arg_1 = var_16; [L102] state_31 = init_32_arg_1 [L103] SORT_1 init_34_arg_1 = var_16; [L104] state_33 = init_34_arg_1 [L105] SORT_1 init_36_arg_1 = var_16; [L106] state_35 = init_36_arg_1 [L107] SORT_1 init_38_arg_1 = var_16; [L108] state_37 = init_38_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L111] input_48 = __VERIFIER_nondet_uchar() [L112] input_56 = __VERIFIER_nondet_uchar() [L113] input_63 = __VERIFIER_nondet_uchar() [L114] input_69 = __VERIFIER_nondet_uchar() [L115] input_95 = __VERIFIER_nondet_uchar() [L116] EXPR input_95 & mask_SORT_1 [L116] input_95 = input_95 & mask_SORT_1 [L117] input_99 = __VERIFIER_nondet_uchar() [L118] EXPR input_99 & mask_SORT_1 [L118] input_99 = input_99 & mask_SORT_1 [L119] input_102 = __VERIFIER_nondet_uchar() [L120] EXPR input_102 & mask_SORT_1 [L120] input_102 = input_102 & mask_SORT_1 [L121] input_103 = __VERIFIER_nondet_uchar() [L122] EXPR input_103 & mask_SORT_1 [L122] input_103 = input_103 & mask_SORT_1 [L123] input_109 = __VERIFIER_nondet_uchar() [L124] EXPR input_109 & mask_SORT_1 [L124] input_109 = input_109 & mask_SORT_1 [L125] input_115 = __VERIFIER_nondet_uchar() [L126] EXPR input_115 & mask_SORT_1 [L126] input_115 = input_115 & mask_SORT_1 [L127] input_130 = __VERIFIER_nondet_uchar() [L128] input_148 = __VERIFIER_nondet_uchar() [L131] SORT_1 var_41_arg_0 = state_25; [L132] SORT_4 var_41_arg_1 = var_39; [L133] SORT_4 var_41_arg_2 = var_40; [L134] SORT_4 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L135] SORT_1 var_42_arg_0 = state_35; [L136] SORT_4 var_42_arg_1 = var_39; [L137] SORT_4 var_42_arg_2 = var_40; [L138] SORT_4 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L139] SORT_4 var_43_arg_0 = var_41; [L140] SORT_4 var_43_arg_1 = var_42; [L141] SORT_4 var_43 = var_43_arg_0 + var_43_arg_1; [L142] EXPR var_43 & mask_SORT_4 [L142] var_43 = var_43 & mask_SORT_4 [L143] SORT_4 var_44_arg_0 = var_43; [L144] SORT_4 var_44_arg_1 = var_39; [L145] SORT_1 var_44 = var_44_arg_0 <= var_44_arg_1; [L146] SORT_1 var_45_arg_0 = ~state_37; [L147] EXPR var_45_arg_0 & mask_SORT_1 [L147] var_45_arg_0 = var_45_arg_0 & mask_SORT_1 [L148] SORT_1 var_45_arg_1 = ~var_44; [L149] EXPR var_45_arg_1 & mask_SORT_1 [L149] var_45_arg_1 = var_45_arg_1 & mask_SORT_1 [L150] EXPR var_45_arg_0 & var_45_arg_1 [L150] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L151] EXPR var_45 & mask_SORT_1 [L151] var_45 = var_45 & mask_SORT_1 [L152] SORT_1 bad_46_arg_0 = var_45; [L153] CALL __VERIFIER_assert(!(bad_46_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 937.57ms. Allocated memory is still 163.6MB. Free memory was 116.1MB in the beginning and 71.8MB in the end (delta: 44.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 556.51ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 71.8MB in the beginning and 97.3MB in the end (delta: -25.5MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 518.66ms. Allocated memory is still 205.5MB. Free memory was 97.3MB in the beginning and 110.4MB in the end (delta: -13.1MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11521.32ms. Allocated memory was 205.5MB in the beginning and 943.7MB in the end (delta: 738.2MB). Free memory was 110.4MB in the beginning and 730.0MB in the end (delta: -619.6MB). Peak memory consumption was 422.7MB. Max. memory is 16.1GB. * CodeCheck took 2001.40ms. Allocated memory was 943.7MB in the beginning and 1.9GB in the end (delta: 943.7MB). Free memory was 730.0MB in the beginning and 1.7GB in the end (delta: -958.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.45ms. Allocated memory is still 1.9GB. Free memory is still 1.7GB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:14:22,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC --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 5335ff3ae60d503c7989a0baf091bf4ee05fe6735e77308a3563d234056465f1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:14:25,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:14:25,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-23 20:14:25,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:14:25,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:14:25,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:14:25,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:14:25,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:14:25,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:14:25,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:14:25,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:14:25,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:14:25,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:14:25,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:14:25,366 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:14:25,366 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:14:25,367 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:14:25,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:14:25,367 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:14:25,369 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:14:25,370 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:14:25,370 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:14:25,371 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:14:25,371 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:14:25,372 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:14:25,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:14:25,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:14:25,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:14:25,374 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:14:25,374 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:14:25,375 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:14:25,376 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:14:25,376 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:14:25,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:14:25,377 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_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5335ff3ae60d503c7989a0baf091bf4ee05fe6735e77308a3563d234056465f1 [2023-11-23 20:14:25,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:14:25,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:14:25,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:14:25,854 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:14:25,854 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:14:25,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c [2023-11-23 20:14:29,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:14:29,468 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:14:29,469 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c [2023-11-23 20:14:29,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/data/9b57445b3/de3c45516e024e07a35b46a3d09753fc/FLAG90f7b46b1 [2023-11-23 20:14:29,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/data/9b57445b3/de3c45516e024e07a35b46a3d09753fc [2023-11-23 20:14:29,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:14:29,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:14:29,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:14:29,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:14:29,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:14:29,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:14:29" (1/1) ... [2023-11-23 20:14:29,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ac5d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:29, skipping insertion in model container [2023-11-23 20:14:29,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:14:29" (1/1) ... [2023-11-23 20:14:29,578 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:14:29,831 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_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c[1175,1188] [2023-11-23 20:14:30,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:14:30,109 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:14:30,125 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_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c[1175,1188] [2023-11-23 20:14:30,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:14:30,306 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:14:30,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:30 WrapperNode [2023-11-23 20:14:30,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:14:30,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:14:30,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:14:30,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:14:30,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:30" (1/1) ... [2023-11-23 20:14:30,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:30" (1/1) ... [2023-11-23 20:14:30,463 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 923 [2023-11-23 20:14:30,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:14:30,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:14:30,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:14:30,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:14:30,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:30" (1/1) ... [2023-11-23 20:14:30,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:30" (1/1) ... [2023-11-23 20:14:30,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:30" (1/1) ... [2023-11-23 20:14:30,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:30" (1/1) ... [2023-11-23 20:14:30,549 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:30" (1/1) ... [2023-11-23 20:14:30,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:30" (1/1) ... [2023-11-23 20:14:30,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:30" (1/1) ... [2023-11-23 20:14:30,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:30" (1/1) ... [2023-11-23 20:14:30,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:14:30,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:14:30,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:14:30,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:14:30,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:14:30" (1/1) ... [2023-11-23 20:14:30,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:14:30,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:14:30,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:14:30,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:14:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:14:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:14:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:14:30,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:14:30,941 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:14:30,961 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:14:33,703 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:14:33,804 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:14:33,805 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:14:33,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:14:33 BoogieIcfgContainer [2023-11-23 20:14:33,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:14:33,809 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:14:33,809 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:14:33,820 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:14:33,821 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:14:33" (1/1) ... [2023-11-23 20:14:33,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:14:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:33,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:14:33,911 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:14:33,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:14:33,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:33,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:14:33,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:14:33,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:14:33,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:14:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:34,334 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:14:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:34,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 20:14:34,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:34,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:14:34,870 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:14:34,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:14:35,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:35,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-23 20:14:35,632 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-23 20:14:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:14:35,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:35,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:14:35,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:14:35,636 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:14:35,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:14:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:37,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:14:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:37,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 83 conjunts are in the unsatisfiable core [2023-11-23 20:14:37,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:39,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:14:39,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:14:46,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:46,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-11-23 20:14:46,699 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-11-23 20:14:46,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:14:46,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:46,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:14:46,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:14:46,706 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:14:46,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c505c6d-9205-44e9-9f6b-a1d970b2f7e4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:14:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:49,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:14:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:49,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 165 conjunts are in the unsatisfiable core [2023-11-23 20:14:49,806 INFO L285 TraceCheckSpWp]: Computing forward predicates...