./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array2_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array2_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/bin/ukojak-verify-i0I2FZA1j2 --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 1a25becec148beba97bef86c2a84619bb26dfafe7c127e8d70246837f0d2d470 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:11,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:12,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-21 18:25:12,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:12,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:25:12,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:12,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:12,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:12,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:12,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:12,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:12,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:12,080 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:12,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:12,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:12,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:12,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:12,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:12,084 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:12,085 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:12,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:12,086 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:12,087 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:12,087 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:12,088 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:12,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:12,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:12,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:12,090 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:12,090 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:12,092 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:25:12,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:12,092 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:12,093 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_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a25becec148beba97bef86c2a84619bb26dfafe7c127e8d70246837f0d2d470 [2023-11-21 18:25:12,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:12,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:12,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:12,418 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:12,419 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:12,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-patterns/array2_pattern.c [2023-11-21 18:25:15,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:15,856 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:15,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/sv-benchmarks/c/array-patterns/array2_pattern.c [2023-11-21 18:25:15,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/bin/ukojak-verify-i0I2FZA1j2/data/b426afb37/4c6f3da915074112a65f0c04bc9cf1bb/FLAG2f5628475 [2023-11-21 18:25:15,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/bin/ukojak-verify-i0I2FZA1j2/data/b426afb37/4c6f3da915074112a65f0c04bc9cf1bb [2023-11-21 18:25:15,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:15,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:15,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:15,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:15,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:15,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da23b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:15, skipping insertion in model container [2023-11-21 18:25:15,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:15" (1/1) ... [2023-11-21 18:25:15,917 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:16,085 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_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/sv-benchmarks/c/array-patterns/array2_pattern.c[1322,1335] [2023-11-21 18:25:16,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:16,113 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:16,122 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_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/sv-benchmarks/c/array-patterns/array2_pattern.c[1322,1335] [2023-11-21 18:25:16,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:16,149 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:16,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16 WrapperNode [2023-11-21 18:25:16,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:16,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:16,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:16,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:16,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,187 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2023-11-21 18:25:16,187 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:16,188 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:16,188 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:16,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:16,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:16,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:16,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:16,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:16,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:16,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:16,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:16,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ecd76a-f60d-4ca1-9785-19bbbb6f5349/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:16,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:16,289 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:25:16,289 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:25:16,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:25:16,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:25:16,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:25:16,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:16,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:16,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:25:16,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:25:16,369 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:16,372 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:16,560 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:16,602 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:16,602 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:25:16,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:16 BoogieIcfgContainer [2023-11-21 18:25:16,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:16,605 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:25:16,605 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:25:16,616 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:25:16,616 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:16" (1/1) ... [2023-11-21 18:25:16,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:16,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:16,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-11-21 18:25:16,689 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-11-21 18:25:16,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:25:16,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:16,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:16,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:16,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-21 18:25:16,961 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-21 18:25:16,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:25:16,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:16,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:25:17,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:17,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:25:17,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 25 transitions. [2023-11-21 18:25:17,349 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-21 18:25:17,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:25:17,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:17,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:17,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:17,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:17,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 39 transitions. [2023-11-21 18:25:17,815 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2023-11-21 18:25:17,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:25:17,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:17,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:17,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-21 18:25:17,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:18,023 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 [2023-11-21 18:25:18,122 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 27 treesize of output 15 [2023-11-21 18:25:18,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:18,987 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:25:18,990 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:25:18,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 164 [2023-11-21 18:25:19,121 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 0 case distinctions, treesize of input 166 treesize of output 151 [2023-11-21 18:25:19,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 187 [2023-11-21 18:25:19,715 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:25:19,717 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2023-11-21 18:25:20,342 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:25:20,345 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:25:20,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 25 [2023-11-21 18:25:20,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:22,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:22,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 55 transitions. [2023-11-21 18:25:22,893 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-21 18:25:22,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:25:22,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:22,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:22,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-21 18:25:22,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:22,962 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 [2023-11-21 18:25:22,998 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 27 treesize of output 15 [2023-11-21 18:25:23,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:23,243 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:25:23,245 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:25:23,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 131 [2023-11-21 18:25:23,295 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 0 case distinctions, treesize of input 118 treesize of output 105 [2023-11-21 18:25:23,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 154 [2023-11-21 18:25:23,602 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:25:23,603 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2023-11-21 18:25:24,071 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:25:24,073 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:25:24,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 25 [2023-11-21 18:25:24,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:24,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:24,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 55 transitions. [2023-11-21 18:25:24,140 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-21 18:25:24,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:25:24,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:24,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:24,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-21 18:25:24,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:24,289 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 [2023-11-21 18:25:24,375 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 27 treesize of output 15 [2023-11-21 18:25:24,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:24,945 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:25:24,947 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:25:24,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 164 [2023-11-21 18:25:25,002 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 0 case distinctions, treesize of input 166 treesize of output 151 [2023-11-21 18:25:25,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 187 [2023-11-21 18:25:25,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 349 [2023-11-21 18:25:25,451 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:25:25,452 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2023-11-21 18:25:25,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 36 [2023-11-21 18:25:25,840 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:25:25,842 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:25:25,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 25 [2023-11-21 18:25:25,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:26,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:26,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 47 transitions. [2023-11-21 18:25:26,805 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2023-11-21 18:25:26,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:25:26,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:26,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:26,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:25:26,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:27,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:29,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:29,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 57 transitions. [2023-11-21 18:25:29,061 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2023-11-21 18:25:29,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:25:29,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:29,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:29,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:25:29,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:29,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:32,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:32,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 67 transitions. [2023-11-21 18:25:32,040 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2023-11-21 18:25:32,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:25:32,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:32,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:32,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-21 18:25:32,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:32,223 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 [2023-11-21 18:25:32,359 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 27 treesize of output 15 [2023-11-21 18:25:32,520 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 42 treesize of output 35 [2023-11-21 18:25:33,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:33,639 INFO L349 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2023-11-21 18:25:33,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 166 [2023-11-21 18:25:33,651 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 0 case distinctions, treesize of input 143 treesize of output 122 [2023-11-21 18:25:33,675 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-21 18:25:33,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 96 treesize of output 157 [2023-11-21 18:25:33,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:33,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:33,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:33,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:34,022 INFO L349 Elim1Store]: treesize reduction 71, result has 30.4 percent of original size [2023-11-21 18:25:34,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 228 [2023-11-21 18:25:34,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:34,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:34,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:34,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:34,149 INFO L349 Elim1Store]: treesize reduction 50, result has 13.8 percent of original size [2023-11-21 18:25:34,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 143 treesize of output 93 [2023-11-21 18:25:34,245 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:25:34,246 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2023-11-21 18:25:35,453 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:25:35,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 112 treesize of output 86 [2023-11-21 18:25:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:43,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:43,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 49 states and 87 transitions. [2023-11-21 18:25:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 87 transitions. [2023-11-21 18:25:43,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:25:43,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:43,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:43,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-21 18:25:43,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:43,891 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 [2023-11-21 18:25:43,930 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 27 treesize of output 15 [2023-11-21 18:25:43,972 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 42 treesize of output 35 [2023-11-21 18:25:44,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:44,390 INFO L349 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2023-11-21 18:25:44,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 166 [2023-11-21 18:25:44,409 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 0 case distinctions, treesize of input 143 treesize of output 122 [2023-11-21 18:25:44,435 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-21 18:25:44,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 96 treesize of output 157 [2023-11-21 18:25:44,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:44,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:44,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:44,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:44,727 INFO L349 Elim1Store]: treesize reduction 71, result has 30.4 percent of original size [2023-11-21 18:25:44,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 228 [2023-11-21 18:25:44,806 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:25:44,807 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2023-11-21 18:25:44,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:44,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:44,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:44,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:44,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:25:44,880 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:25:44,889 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-21 18:25:44,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 50 [2023-11-21 18:25:45,474 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:25:45,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 112 treesize of output 86 [2023-11-21 18:25:45,562 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:48,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:48,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 53 states and 95 transitions. [2023-11-21 18:25:48,218 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 95 transitions. [2023-11-21 18:25:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:25:48,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:48,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:48,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:25:48,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:48,858 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:53,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:53,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 58 states and 107 transitions. [2023-11-21 18:25:53,983 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2023-11-21 18:25:53,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:25:53,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:53,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:54,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:25:54,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:54,069 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:55,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:55,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 114 transitions. [2023-11-21 18:25:55,755 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 114 transitions. [2023-11-21 18:25:55,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:25:55,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:55,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:55,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:25:55,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:56,474 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:03,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:03,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 70 states and 134 transitions. [2023-11-21 18:26:03,699 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 134 transitions. [2023-11-21 18:26:03,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:26:03,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:03,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:03,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:26:03,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:03,952 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:04,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:04,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 71 states and 137 transitions. [2023-11-21 18:26:04,582 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 137 transitions. [2023-11-21 18:26:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:26:04,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:04,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:04,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:26:04,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:07,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:07,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 74 states and 139 transitions. [2023-11-21 18:26:07,790 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 139 transitions. [2023-11-21 18:26:07,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:26:07,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:07,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:07,863 WARN L260 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-21 18:26:07,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:07,990 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 [2023-11-21 18:26:08,017 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 27 treesize of output 15 [2023-11-21 18:26:08,178 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 42 treesize of output 35 [2023-11-21 18:26:08,486 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 56 treesize of output 55