./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array29_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_9830babd-fac2-4dbe-98a2-a4ededa99403/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830babd-fac2-4dbe-98a2-a4ededa99403/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_9830babd-fac2-4dbe-98a2-a4ededa99403/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830babd-fac2-4dbe-98a2-a4ededa99403/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array29_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830babd-fac2-4dbe-98a2-a4ededa99403/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_9830babd-fac2-4dbe-98a2-a4ededa99403/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 c79b0cfbfa84c2390344382edf3f60a855c5e1f87aaed3ee77c2dd6c5f017188 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:50:15,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:50:15,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830babd-fac2-4dbe-98a2-a4ededa99403/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-21 18:50:15,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:50:15,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:50:15,478 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:50:15,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:50:15,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:50:15,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:50:15,487 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:50:15,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:50:15,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:50:15,489 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:50:15,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:50:15,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:50:15,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:50:15,493 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:50:15,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:50:15,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:50:15,494 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:50:15,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:50:15,495 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:50:15,496 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:50:15,498 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:50:15,499 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:50:15,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:50:15,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:15,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:50:15,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:50:15,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:50:15,503 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:50:15,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:50:15,504 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:50:15,504 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_9830babd-fac2-4dbe-98a2-a4ededa99403/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830babd-fac2-4dbe-98a2-a4ededa99403/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c79b0cfbfa84c2390344382edf3f60a855c5e1f87aaed3ee77c2dd6c5f017188 [2023-11-21 18:50:15,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:50:15,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:50:15,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:50:15,944 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:50:15,945 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:50:15,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830babd-fac2-4dbe-98a2-a4ededa99403/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/array-patterns/array29_pattern.c [2023-11-21 18:50:19,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:50:19,644 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:50:19,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830babd-fac2-4dbe-98a2-a4ededa99403/sv-benchmarks/c/array-patterns/array29_pattern.c [2023-11-21 18:50:19,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830babd-fac2-4dbe-98a2-a4ededa99403/bin/ukojak-verify-i0I2FZA1j2/data/c3d9a2807/b8352f9437f941fcb6265bb4d08e5ea7/FLAG57a6fc102 [2023-11-21 18:50:19,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830babd-fac2-4dbe-98a2-a4ededa99403/bin/ukojak-verify-i0I2FZA1j2/data/c3d9a2807/b8352f9437f941fcb6265bb4d08e5ea7 [2023-11-21 18:50:19,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:50:19,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:50:19,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:19,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:50:19,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:50:19,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:19" (1/1) ... [2023-11-21 18:50:19,696 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74077061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:19, skipping insertion in model container [2023-11-21 18:50:19,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:19" (1/1) ... [2023-11-21 18:50:19,723 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:50:19,918 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_9830babd-fac2-4dbe-98a2-a4ededa99403/sv-benchmarks/c/array-patterns/array29_pattern.c[1255,1268] [2023-11-21 18:50:19,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:19,951 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:50:19,966 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_9830babd-fac2-4dbe-98a2-a4ededa99403/sv-benchmarks/c/array-patterns/array29_pattern.c[1255,1268] [2023-11-21 18:50:19,976 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:19,995 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:50:19,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:19 WrapperNode [2023-11-21 18:50:19,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:19,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:19,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:50:19,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:50:20,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:19" (1/1) ... [2023-11-21 18:50:20,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:19" (1/1) ... [2023-11-21 18:50:20,063 INFO L138 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2023-11-21 18:50:20,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:20,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:50:20,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:50:20,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:50:20,076 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:19" (1/1) ... [2023-11-21 18:50:20,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:19" (1/1) ... [2023-11-21 18:50:20,078 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:19" (1/1) ... [2023-11-21 18:50:20,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:19" (1/1) ... [2023-11-21 18:50:20,084 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:19" (1/1) ... [2023-11-21 18:50:20,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:19" (1/1) ... [2023-11-21 18:50:20,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:19" (1/1) ... [2023-11-21 18:50:20,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:19" (1/1) ... [2023-11-21 18:50:20,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:50:20,095 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:50:20,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:50:20,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:50:20,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:19" (1/1) ... [2023-11-21 18:50:20,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:20,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830babd-fac2-4dbe-98a2-a4ededa99403/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:50:20,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830babd-fac2-4dbe-98a2-a4ededa99403/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:50:20,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9830babd-fac2-4dbe-98a2-a4ededa99403/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:50:20,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:50:20,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:50:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:50:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:50:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:50:20,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:50:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:50:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:50:20,269 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:50:20,272 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:50:20,433 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:50:20,521 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:50:20,522 INFO L308 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-21 18:50:20,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:20 BoogieIcfgContainer [2023-11-21 18:50:20,524 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:50:20,525 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:50:20,525 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:50:20,537 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:50:20,537 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:20" (1/1) ... [2023-11-21 18:50:20,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:50:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2023-11-21 18:50:20,610 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2023-11-21 18:50:20,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:50:20,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:20,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:20,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:20,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:20,840 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 18:50:20,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:20,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-21 18:50:20,903 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-21 18:50:20,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:50:20,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:20,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:20,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:20,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:20,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:21,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:21,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-21 18:50:21,046 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-21 18:50:21,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:50:21,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:21,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:21,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:50:21,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:21,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:21,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:21,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2023-11-21 18:50:21,320 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2023-11-21 18:50:21,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:50:21,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:21,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:21,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:50:21,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:21,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:50:21,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:21,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2023-11-21 18:50:21,955 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2023-11-21 18:50:21,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:50:21,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:21,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:22,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:22,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:22,090 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:50:22,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2023-11-21 18:50:22,311 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2023-11-21 18:50:22,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:50:22,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:22,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:22,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:22,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:22,415 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:50:22,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:22,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2023-11-21 18:50:22,479 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2023-11-21 18:50:22,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:50:22,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:22,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:22,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:50:22,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:50:22,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:22,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-21 18:50:22,690 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-21 18:50:22,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:50:22,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:22,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:22,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:50:22,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:22,813 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-21 18:50:22,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:22,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-21 18:50:22,931 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-21 18:50:22,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:50:22,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:22,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:23,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-21 18:50:23,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:23,306 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 11 treesize of output 7 [2023-11-21 18:50:23,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2023-11-21 18:50:23,632 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:50:23,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-21 18:50:23,741 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:50:23,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-21 18:50:24,669 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:28,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:28,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2023-11-21 18:50:28,596 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2023-11-21 18:50:28,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:50:28,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:28,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:28,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:50:28,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:50:30,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:30,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2023-11-21 18:50:30,987 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-21 18:50:30,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:50:30,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:30,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:31,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:50:31,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:31,553 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:50:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:33,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 53 states and 81 transitions. [2023-11-21 18:50:33,375 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2023-11-21 18:50:33,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:50:33,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:33,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:33,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:50:33,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:33,464 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 32 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-21 18:50:34,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:34,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 49 states and 71 transitions. [2023-11-21 18:50:34,192 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2023-11-21 18:50:34,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:50:34,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:34,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:34,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:50:34,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:34,294 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 17 proven. 30 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-21 18:50:35,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:35,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 53 states and 77 transitions. [2023-11-21 18:50:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2023-11-21 18:50:35,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:50:35,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:35,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:36,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:50:36,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:36,082 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-21 18:50:37,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:37,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 69 transitions. [2023-11-21 18:50:37,232 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2023-11-21 18:50:37,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:50:37,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:37,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:37,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:50:37,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:37,398 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-21 18:50:37,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:37,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2023-11-21 18:50:37,925 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2023-11-21 18:50:37,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:50:37,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:37,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:39,478 WARN L260 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 121 conjunts are in the unsatisfiable core [2023-11-21 18:50:39,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:39,535 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 11 treesize of output 7 [2023-11-21 18:50:39,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2023-11-21 18:50:39,595 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:50:39,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-21 18:50:40,026 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:50:40,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-21 18:50:40,182 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:50:40,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 48 [2023-11-21 18:50:40,407 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:50:40,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 58 [2023-11-21 18:50:40,967 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:50:40,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 54 treesize of output 68 [2023-11-21 18:50:41,172 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:50:41,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 61 treesize of output 78 [2023-11-21 18:50:41,392 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:50:41,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 68 treesize of output 88 [2023-11-21 18:50:44,823 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:59,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 84 states and 112 transitions. [2023-11-21 18:50:59,845 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 112 transitions. [2023-11-21 18:50:59,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:50:59,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:50:59,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:00,781 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-21 18:51:04,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:04,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 90 states and 123 transitions. [2023-11-21 18:51:04,704 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 123 transitions. [2023-11-21 18:51:04,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:51:04,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:04,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:04,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:51:04,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:04,827 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 35 proven. 46 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-21 18:51:08,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:08,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 96 states and 130 transitions. [2023-11-21 18:51:08,062 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 130 transitions. [2023-11-21 18:51:08,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:51:08,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:08,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:08,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:51:08,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:08,953 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 6 proven. 85 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-11-21 18:51:12,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:12,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 102 states and 138 transitions. [2023-11-21 18:51:12,660 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 138 transitions. [2023-11-21 18:51:12,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:51:12,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:12,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:12,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:51:12,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:12,765 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 80 proven. 19 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked.