./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/prodbin-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46fb01a0-10d7-4472-838b-c9a699eb64cb/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46fb01a0-10d7-4472-838b-c9a699eb64cb/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46fb01a0-10d7-4472-838b-c9a699eb64cb/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46fb01a0-10d7-4472-838b-c9a699eb64cb/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46fb01a0-10d7-4472-838b-c9a699eb64cb/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46fb01a0-10d7-4472-838b-c9a699eb64cb/bin/ukojak-verify-ImItNfHLgk --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 32bit --witnessprinter.graph.data.programhash 77bbfba272f7904e5efe099569a5ed86d54de3fd07a8ce9d48301467c5048e30 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:48:19,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:48:19,165 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46fb01a0-10d7-4472-838b-c9a699eb64cb/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:48:19,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:48:19,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:48:19,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:48:19,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:48:19,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:48:19,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:48:19,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:48:19,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:48:19,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:48:19,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:48:19,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:48:19,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:48:19,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:48:19,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:48:19,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:48:19,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:48:19,215 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:48:19,215 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:48:19,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:48:19,219 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:48:19,219 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:48:19,219 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:48:19,220 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:48:19,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:48:19,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:48:19,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:48:19,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:48:19,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:48:19,223 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:48:19,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:48:19,224 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_46fb01a0-10d7-4472-838b-c9a699eb64cb/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46fb01a0-10d7-4472-838b-c9a699eb64cb/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77bbfba272f7904e5efe099569a5ed86d54de3fd07a8ce9d48301467c5048e30 [2024-11-08 23:48:19,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:48:19,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:48:19,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:48:19,511 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:48:19,512 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:48:19,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46fb01a0-10d7-4472-838b-c9a699eb64cb/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench/prodbin-ll.c Unable to find full path for "g++" [2024-11-08 23:48:21,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:48:21,855 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:48:21,855 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46fb01a0-10d7-4472-838b-c9a699eb64cb/sv-benchmarks/c/nla-digbench/prodbin-ll.c [2024-11-08 23:48:21,863 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46fb01a0-10d7-4472-838b-c9a699eb64cb/bin/ukojak-verify-ImItNfHLgk/data/6beffa07f/a67b6025f03443e3afc97c0c27c84c44/FLAG969f18c20 [2024-11-08 23:48:22,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46fb01a0-10d7-4472-838b-c9a699eb64cb/bin/ukojak-verify-ImItNfHLgk/data/6beffa07f/a67b6025f03443e3afc97c0c27c84c44 [2024-11-08 23:48:22,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:48:22,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:48:22,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:48:22,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:48:22,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:48:22,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:48:22" (1/1) ... [2024-11-08 23:48:22,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27394220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:22, skipping insertion in model container [2024-11-08 23:48:22,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:48:22" (1/1) ... [2024-11-08 23:48:22,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:48:22,510 WARN L250 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_46fb01a0-10d7-4472-838b-c9a699eb64cb/sv-benchmarks/c/nla-digbench/prodbin-ll.c[537,550] [2024-11-08 23:48:22,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:48:22,540 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:48:22,556 WARN L250 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_46fb01a0-10d7-4472-838b-c9a699eb64cb/sv-benchmarks/c/nla-digbench/prodbin-ll.c[537,550] [2024-11-08 23:48:22,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:48:22,583 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:48:22,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:22 WrapperNode [2024-11-08 23:48:22,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:48:22,585 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:48:22,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:48:22,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:48:22,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:22" (1/1) ... [2024-11-08 23:48:22,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:22" (1/1) ... [2024-11-08 23:48:22,620 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2024-11-08 23:48:22,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:48:22,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:48:22,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:48:22,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:48:22,633 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:22" (1/1) ... [2024-11-08 23:48:22,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:22" (1/1) ... [2024-11-08 23:48:22,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:22" (1/1) ... [2024-11-08 23:48:22,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:22" (1/1) ... [2024-11-08 23:48:22,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:22" (1/1) ... [2024-11-08 23:48:22,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:22" (1/1) ... [2024-11-08 23:48:22,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:22" (1/1) ... [2024-11-08 23:48:22,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:22" (1/1) ... [2024-11-08 23:48:22,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:48:22,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:48:22,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:48:22,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:48:22,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:48:22" (1/1) ... [2024-11-08 23:48:22,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:48:22,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46fb01a0-10d7-4472-838b-c9a699eb64cb/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:48:22,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46fb01a0-10d7-4472-838b-c9a699eb64cb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:48:22,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46fb01a0-10d7-4472-838b-c9a699eb64cb/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:48:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:48:22,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:48:22,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:48:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:48:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:48:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:48:22,811 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:48:22,814 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:48:23,001 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 23:48:23,003 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:48:23,093 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:48:23,094 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:48:23,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:48:23 BoogieIcfgContainer [2024-11-08 23:48:23,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:48:23,099 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:48:23,099 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:48:23,112 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:48:23,113 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:48:23" (1/1) ... [2024-11-08 23:48:23,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:48:23,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:23,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-08 23:48:23,177 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-08 23:48:23,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:48:23,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:23,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:48:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:48:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:23,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:48:23,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:48:23,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:23,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-08 23:48:23,692 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-08 23:48:23,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:48:23,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:23,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:48:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:23,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:48:23,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:23,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-08 23:48:23,942 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-08 23:48:23,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:48:23,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:23,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:48:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:48:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:24,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:48:24,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:25,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:48:25,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:25,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-11-08 23:48:25,694 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-11-08 23:48:25,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:48:25,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:25,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:48:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:48:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:25,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:48:25,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:26,036 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:48:27,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:27,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2024-11-08 23:48:27,113 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2024-11-08 23:48:27,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:48:27,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:27,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:48:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:48:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:27,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 23:48:27,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:30,434 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:48:34,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:34,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2024-11-08 23:48:34,871 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2024-11-08 23:48:34,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:48:34,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:34,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:48:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:48:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:34,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 23:48:34,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:47,020 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:48:50,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2024-11-08 23:48:50,478 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2024-11-08 23:48:50,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:48:50,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:50,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:48:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:48:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:50,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:48:50,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:54,033 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:48:59,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:59,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2024-11-08 23:48:59,809 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2024-11-08 23:48:59,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:48:59,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:59,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:48:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:48:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:59,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 23:48:59,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:18,265 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:49:27,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:49:37,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:37,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 56 transitions. [2024-11-08 23:49:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-11-08 23:49:37,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:49:37,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:37,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:37,534 WARN L253 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-08 23:49:37,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:19,546 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:51:10,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.09s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:51:19,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.85s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:51:20,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:20,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 38 states and 69 transitions. [2024-11-08 23:51:20,127 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2024-11-08 23:51:20,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:51:20,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:20,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:51:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:51:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:20,475 WARN L253 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-08 23:51:20,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:07,482 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:52:21,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.98s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:52:31,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.76s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:52:31,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:31,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 39 states and 70 transitions. [2024-11-08 23:52:31,862 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-11-08 23:52:31,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 23:52:31,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:31,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:52:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:32,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 23:52:32,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 21 proven. 41 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 23:53:30,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 42 states and 78 transitions. [2024-11-08 23:53:30,633 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 78 transitions. [2024-11-08 23:53:30,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 23:53:30,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:30,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:53:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:53:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:30,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-08 23:53:30,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:44,142 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 25 proven. 43 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 23:54:20,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:20,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 43 states and 86 transitions. [2024-11-08 23:54:20,491 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 86 transitions. [2024-11-08 23:54:20,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 23:54:20,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:20,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:54:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:54:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:20,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-08 23:54:20,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:24,907 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 34 proven. 59 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 23:55:01,581 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 352 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:55:16,765 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 353 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:55:19,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:19,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 48 states and 96 transitions. [2024-11-08 23:55:19,119 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2024-11-08 23:55:19,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 23:55:19,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:19,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:55:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:55:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:19,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-08 23:55:19,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:26,335 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 36 proven. 60 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-08 23:55:40,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:40,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 97 transitions. [2024-11-08 23:55:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 97 transitions. [2024-11-08 23:55:40,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 23:55:40,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:40,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:55:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:55:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:40,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-08 23:55:40,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:46,245 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 42 proven. 79 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-08 23:56:11,645 WARN L286 SmtUtils]: Spent 16.71s on a formula simplification. DAG size of input: 368 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:56:41,810 WARN L286 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 371 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:56:43,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:43,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 52 states and 104 transitions. [2024-11-08 23:56:43,105 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 104 transitions. [2024-11-08 23:56:43,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 23:56:43,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:43,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:56:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:56:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:43,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-08 23:56:43,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:50,242 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 47 proven. 80 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-08 23:57:13,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:13,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 53 states and 106 transitions. [2024-11-08 23:57:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 106 transitions. [2024-11-08 23:57:13,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 23:57:13,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:13,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:57:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:13,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-08 23:57:13,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:29,636 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 36 proven. 101 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-09 00:01:19,601 WARN L286 SmtUtils]: Spent 3.09m on a formula simplification. DAG size of input: 403 DAG size of output: 271 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:01:56,264 WARN L286 SmtUtils]: Spent 29.85s on a formula simplification. DAG size of input: 405 DAG size of output: 387 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:02:56,522 WARN L286 SmtUtils]: Spent 49.01s on a formula simplification that was a NOOP. DAG size: 272 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:03:25,999 WARN L286 SmtUtils]: Spent 10.94s on a formula simplification that was a NOOP. DAG size: 388 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:03:36,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]