./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/nsqm-if.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_73b1da2b-3954-4e8d-9614-5ba5463f6d44/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b1da2b-3954-4e8d-9614-5ba5463f6d44/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b1da2b-3954-4e8d-9614-5ba5463f6d44/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b1da2b-3954-4e8d-9614-5ba5463f6d44/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/nsqm-if.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b1da2b-3954-4e8d-9614-5ba5463f6d44/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b1da2b-3954-4e8d-9614-5ba5463f6d44/bin/ukojak-verify-G8NBE6pJGL --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 8d7989c0f7330a23b935c06e29a235b3d1d683ab2aa8325b4804307d493787f2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:58:39,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:58:39,157 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b1da2b-3954-4e8d-9614-5ba5463f6d44/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:58:39,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:58:39,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:58:39,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:58:39,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:58:39,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:58:39,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:58:39,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:58:39,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:58:39,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:58:39,215 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:58:39,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:58:39,217 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:58:39,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:58:39,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:58:39,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:58:39,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:58:39,219 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:58:39,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:58:39,220 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:58:39,221 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:58:39,221 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:58:39,222 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:58:39,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:58:39,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:39,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:58:39,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:58:39,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:58:39,226 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:58:39,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:58:39,226 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:58:39,227 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_73b1da2b-3954-4e8d-9614-5ba5463f6d44/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b1da2b-3954-4e8d-9614-5ba5463f6d44/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d7989c0f7330a23b935c06e29a235b3d1d683ab2aa8325b4804307d493787f2 [2023-11-19 02:58:39,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:58:39,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:58:39,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:58:39,593 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:58:39,594 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:58:39,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b1da2b-3954-4e8d-9614-5ba5463f6d44/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-fpi/nsqm-if.c [2023-11-19 02:58:42,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:42,946 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:42,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b1da2b-3954-4e8d-9614-5ba5463f6d44/sv-benchmarks/c/array-fpi/nsqm-if.c [2023-11-19 02:58:42,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b1da2b-3954-4e8d-9614-5ba5463f6d44/bin/ukojak-verify-G8NBE6pJGL/data/90447acb2/f3739ef433a14c3a8f0dfedb63cb2bf2/FLAGe1b9deab9 [2023-11-19 02:58:42,972 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b1da2b-3954-4e8d-9614-5ba5463f6d44/bin/ukojak-verify-G8NBE6pJGL/data/90447acb2/f3739ef433a14c3a8f0dfedb63cb2bf2 [2023-11-19 02:58:42,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:42,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:42,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:42,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:42,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:42,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:42" (1/1) ... [2023-11-19 02:58:42,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ecfaa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:42, skipping insertion in model container [2023-11-19 02:58:42,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:42" (1/1) ... [2023-11-19 02:58:43,009 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:43,167 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_73b1da2b-3954-4e8d-9614-5ba5463f6d44/sv-benchmarks/c/array-fpi/nsqm-if.c[590,603] [2023-11-19 02:58:43,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:43,199 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:43,211 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_73b1da2b-3954-4e8d-9614-5ba5463f6d44/sv-benchmarks/c/array-fpi/nsqm-if.c[590,603] [2023-11-19 02:58:43,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:43,241 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:43,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:43 WrapperNode [2023-11-19 02:58:43,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:43,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:43,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:43,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:43,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:43" (1/1) ... [2023-11-19 02:58:43,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:43" (1/1) ... [2023-11-19 02:58:43,279 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-19 02:58:43,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:43,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:43,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:43,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:43,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:43" (1/1) ... [2023-11-19 02:58:43,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:43" (1/1) ... [2023-11-19 02:58:43,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:43" (1/1) ... [2023-11-19 02:58:43,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:43" (1/1) ... [2023-11-19 02:58:43,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:43" (1/1) ... [2023-11-19 02:58:43,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:43" (1/1) ... [2023-11-19 02:58:43,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:43" (1/1) ... [2023-11-19 02:58:43,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:43" (1/1) ... [2023-11-19 02:58:43,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:43,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:43,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:43,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:43,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:43" (1/1) ... [2023-11-19 02:58:43,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:43,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b1da2b-3954-4e8d-9614-5ba5463f6d44/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:43,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b1da2b-3954-4e8d-9614-5ba5463f6d44/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:43,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73b1da2b-3954-4e8d-9614-5ba5463f6d44/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:43,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:58:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:58:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:58:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:43,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:43,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:58:43,452 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:43,454 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:43,661 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:43,765 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:43,766 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:58:43,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:43 BoogieIcfgContainer [2023-11-19 02:58:43,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:43,774 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:43,775 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:43,788 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:43,788 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:43" (1/1) ... [2023-11-19 02:58:43,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:58:43,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-19 02:58:43,869 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-19 02:58:43,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:58:43,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:43,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:44,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:58:44,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:44,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-19 02:58:44,292 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-19 02:58:44,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:58:44,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:44,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:44,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:58:44,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:58:44,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:44,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-19 02:58:44,532 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-19 02:58:44,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:58:44,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:44,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:44,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:58:44,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:44,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-19 02:58:44,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:58:45,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:45,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 16 states and 26 transitions. [2023-11-19 02:58:45,196 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 26 transitions. [2023-11-19 02:58:45,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:58:45,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:45,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:45,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:58:45,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:45,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:45,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:45,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2023-11-19 02:58:45,882 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2023-11-19 02:58:45,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:58:45,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:45,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:46,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 02:58:46,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:46,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-19 02:58:46,221 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 02:58:46,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 30 [2023-11-19 02:58:46,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:58:47,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:47,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2023-11-19 02:58:47,778 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2023-11-19 02:58:47,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:58:47,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:47,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:47,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:58:47,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:47,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:58:48,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:48,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-11-19 02:58:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-19 02:58:48,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:58:48,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:48,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:48,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:58:48,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:48,997 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:50,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:50,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2023-11-19 02:58:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2023-11-19 02:58:50,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:58:50,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:50,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:50,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:58:50,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:50,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-19 02:58:50,936 INFO L349 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2023-11-19 02:58:50,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 42 [2023-11-19 02:58:51,152 INFO L349 Elim1Store]: treesize reduction 96, result has 27.8 percent of original size [2023-11-19 02:58:51,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 64 treesize of output 86 [2023-11-19 02:58:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:58:52,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:52,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2023-11-19 02:58:52,147 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2023-11-19 02:58:52,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:58:52,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:52,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:52,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 02:58:52,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:52,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 02:58:52,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 02:58:52,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-19 02:58:52,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2023-11-19 02:58:52,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 44 [2023-11-19 02:58:53,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:59,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:59,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2023-11-19 02:58:59,499 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2023-11-19 02:58:59,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:58:59,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:59,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:59,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:58:59,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:00,219 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:02,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:02,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2023-11-19 02:59:02,881 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2023-11-19 02:59:02,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:59:02,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:02,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:02,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:59:02,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:03,538 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:59:04,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:04,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2023-11-19 02:59:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2023-11-19 02:59:04,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:59:04,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:04,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:05,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 02:59:05,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:05,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-19 02:59:05,183 INFO L349 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2023-11-19 02:59:05,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 42 [2023-11-19 02:59:05,399 INFO L349 Elim1Store]: treesize reduction 96, result has 27.8 percent of original size [2023-11-19 02:59:05,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 64 treesize of output 86 [2023-11-19 02:59:05,796 INFO L349 Elim1Store]: treesize reduction 187, result has 23.0 percent of original size [2023-11-19 02:59:05,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 107 treesize of output 139 [2023-11-19 02:59:05,917 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:59:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2023-11-19 02:59:07,461 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2023-11-19 02:59:07,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:59:07,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:07,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:07,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 02:59:07,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:07,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 02:59:07,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 02:59:08,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-19 02:59:08,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2023-11-19 02:59:08,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2023-11-19 02:59:08,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 52 [2023-11-19 02:59:09,084 INFO L349 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2023-11-19 02:59:09,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 61 treesize of output 64 [2023-11-19 02:59:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:14,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:14,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 80 transitions. [2023-11-19 02:59:14,942 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2023-11-19 02:59:14,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:59:14,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:14,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:15,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:59:15,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:15,984 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:20,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2023-11-19 02:59:20,669 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2023-11-19 02:59:20,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:59:20,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:20,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:20,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:59:20,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:21,544 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:59:22,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:22,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2023-11-19 02:59:22,694 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2023-11-19 02:59:22,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:59:22,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:22,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:22,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:59:22,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:22,945 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:59:27,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:27,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 59 states and 103 transitions. [2023-11-19 02:59:27,666 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2023-11-19 02:59:27,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:59:27,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:27,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:27,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:59:27,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:59:29,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:29,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2023-11-19 02:59:29,712 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2023-11-19 02:59:29,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:59:29,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:29,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:30,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 02:59:30,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:30,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-19 02:59:30,510 INFO L349 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2023-11-19 02:59:30,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 42 [2023-11-19 02:59:30,594 INFO L349 Elim1Store]: treesize reduction 96, result has 27.8 percent of original size [2023-11-19 02:59:30,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 64 treesize of output 86 [2023-11-19 02:59:30,772 INFO L349 Elim1Store]: treesize reduction 187, result has 23.0 percent of original size [2023-11-19 02:59:30,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 107 treesize of output 139 [2023-11-19 02:59:31,438 INFO L349 Elim1Store]: treesize reduction 306, result has 19.7 percent of original size [2023-11-19 02:59:31,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 159 treesize of output 201 [2023-11-19 02:59:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:59:34,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:34,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2023-11-19 02:59:34,080 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2023-11-19 02:59:34,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:59:34,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:34,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:34,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-19 02:59:34,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:34,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 02:59:34,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 02:59:34,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-11-19 02:59:34,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2023-11-19 02:59:34,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 38 [2023-11-19 02:59:35,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 50 [2023-11-19 02:59:35,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 62 [2023-11-19 02:59:36,151 INFO L349 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2023-11-19 02:59:36,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 68 treesize of output 74 [2023-11-19 02:59:36,485 INFO L349 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2023-11-19 02:59:36,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 81 treesize of output 86