./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b32a3f8-3c0e-43a2-b61a-b0e3641e009c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b32a3f8-3c0e-43a2-b61a-b0e3641e009c/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b32a3f8-3c0e-43a2-b61a-b0e3641e009c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b32a3f8-3c0e-43a2-b61a-b0e3641e009c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b32a3f8-3c0e-43a2-b61a-b0e3641e009c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b32a3f8-3c0e-43a2-b61a-b0e3641e009c/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79769f30a585389c0c487adad51d510f66c0d5e44d42ecf952985ceac89e1c25 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:14:25,732 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:14:25,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b32a3f8-3c0e-43a2-b61a-b0e3641e009c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-09 00:14:25,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:14:25,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:14:25,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:14:25,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:14:25,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:14:25,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:14:25,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:14:25,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:14:25,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:14:25,891 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:14:25,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:14:25,891 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:14:25,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:14:25,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:14:25,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:14:25,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:14:25,894 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:14:25,894 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:14:25,895 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:14:25,895 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:14:25,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:14:25,896 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:14:25,896 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:14:25,897 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:14:25,897 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:14:25,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:14:25,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:14:25,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:14:25,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:14:25,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:14:25,903 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:14:25,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:14:25,904 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_7b32a3f8-3c0e-43a2-b61a-b0e3641e009c/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b32a3f8-3c0e-43a2-b61a-b0e3641e009c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79769f30a585389c0c487adad51d510f66c0d5e44d42ecf952985ceac89e1c25 [2024-11-09 00:14:26,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:14:26,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:14:26,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:14:26,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:14:26,258 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:14:26,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b32a3f8-3c0e-43a2-b61a-b0e3641e009c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll2.c Unable to find full path for "g++" [2024-11-09 00:14:28,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:14:28,423 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:14:28,423 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b32a3f8-3c0e-43a2-b61a-b0e3641e009c/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll2.c [2024-11-09 00:14:28,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b32a3f8-3c0e-43a2-b61a-b0e3641e009c/bin/ukojak-verify-ImItNfHLgk/data/202a3c033/e316cd60104a461585a0e31c826cefed/FLAG8a83f2d66 [2024-11-09 00:14:28,445 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b32a3f8-3c0e-43a2-b61a-b0e3641e009c/bin/ukojak-verify-ImItNfHLgk/data/202a3c033/e316cd60104a461585a0e31c826cefed [2024-11-09 00:14:28,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:14:28,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:14:28,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:14:28,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:14:28,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:14:28,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:14:28" (1/1) ... [2024-11-09 00:14:28,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274f2c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:28, skipping insertion in model container [2024-11-09 00:14:28,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:14:28" (1/1) ... [2024-11-09 00:14:28,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:14:28,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:14:28,776 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:14:28,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:14:28,815 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:14:28,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:28 WrapperNode [2024-11-09 00:14:28,815 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:14:28,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:14:28,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:14:28,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:14:28,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:28" (1/1) ... [2024-11-09 00:14:28,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:28" (1/1) ... [2024-11-09 00:14:28,848 INFO L138 Inliner]: procedures = 16, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2024-11-09 00:14:28,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:14:28,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:14:28,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:14:28,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:14:28,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:28" (1/1) ... [2024-11-09 00:14:28,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:28" (1/1) ... [2024-11-09 00:14:28,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:28" (1/1) ... [2024-11-09 00:14:28,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:28" (1/1) ... [2024-11-09 00:14:28,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:28" (1/1) ... [2024-11-09 00:14:28,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:28" (1/1) ... [2024-11-09 00:14:28,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:28" (1/1) ... [2024-11-09 00:14:28,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:28" (1/1) ... [2024-11-09 00:14:28,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:14:28,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:14:28,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:14:28,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:14:28,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:28" (1/1) ... [2024-11-09 00:14:28,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:14:28,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b32a3f8-3c0e-43a2-b61a-b0e3641e009c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:14:28,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b32a3f8-3c0e-43a2-b61a-b0e3641e009c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:14:28,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b32a3f8-3c0e-43a2-b61a-b0e3641e009c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:14:28,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:14:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:14:28,959 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:14:28,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:14:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:14:28,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:14:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_30_to_38_0 [2024-11-09 00:14:28,961 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_30_to_38_0 [2024-11-09 00:14:28,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:14:28,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:14:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:14:28,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:14:28,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:14:28,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:14:29,075 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:14:29,078 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:14:29,475 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-09 00:14:29,476 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:14:29,541 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:14:29,541 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:14:29,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:29 BoogieIcfgContainer [2024-11-09 00:14:29,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:14:29,543 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:14:29,543 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:14:29,554 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:14:29,555 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:29" (1/1) ... [2024-11-09 00:14:29,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:14:29,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:29,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 70 states and 74 transitions. [2024-11-09 00:14:29,629 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2024-11-09 00:14:29,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:14:29,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:29,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:14:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:29,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-09 00:14:29,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:30,192 INFO L349 Elim1Store]: treesize reduction 41, result has 16.3 percent of original size [2024-11-09 00:14:30,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 256 treesize of output 254 [2024-11-09 00:14:30,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-11-09 00:14:30,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 00:14:30,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 25 [2024-11-09 00:14:31,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2024-11-09 00:14:31,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 68 [2024-11-09 00:14:31,073 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:14:31,075 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2024-11-09 00:14:31,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:14:31,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:14:31,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:14:31,103 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 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-09 00:14:31,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 7 [2024-11-09 00:14:31,128 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 5 treesize of output 3 [2024-11-09 00:14:31,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 29 treesize of output 13 [2024-11-09 00:14:31,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:14:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:31,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 73 states and 78 transitions. [2024-11-09 00:14:31,863 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2024-11-09 00:14:31,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:14:31,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:31,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:14:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:31,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-09 00:14:32,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:32,043 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-09 00:14:32,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53 [2024-11-09 00:14:32,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-11-09 00:14:32,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 00:14:32,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2024-11-09 00:14:32,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2024-11-09 00:14:32,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 29 treesize of output 13 [2024-11-09 00:14:32,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:14:35,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:35,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 77 states and 85 transitions. [2024-11-09 00:14:35,599 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2024-11-09 00:14:35,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:14:35,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:35,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:14:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:35,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-09 00:14:35,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:35,805 INFO L349 Elim1Store]: treesize reduction 34, result has 30.6 percent of original size [2024-11-09 00:14:35,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 484 treesize of output 472 [2024-11-09 00:14:35,836 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-11-09 00:14:35,850 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 18 treesize of output 13 [2024-11-09 00:14:36,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2024-11-09 00:14:36,667 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 0 case distinctions, treesize of input 25 treesize of output 23 [2024-11-09 00:14:37,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 24 treesize of output 12 [2024-11-09 00:14:37,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:14:39,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:39,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 92 transitions. [2024-11-09 00:14:39,592 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2024-11-09 00:14:39,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:14:39,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:39,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:14:42,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:42,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 81 states and 94 transitions. [2024-11-09 00:14:42,942 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2024-11-09 00:14:42,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:14:42,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:42,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:14:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:43,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-09 00:14:43,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:43,060 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-09 00:14:43,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53 [2024-11-09 00:14:43,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-11-09 00:14:43,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-09 00:14:43,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:14:43,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 36 [2024-11-09 00:14:43,754 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 0 case distinctions, treesize of input 34 treesize of output 33 [2024-11-09 00:14:45,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 40 treesize of output 16 [2024-11-09 00:14:45,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:14:52,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:52,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 88 states and 111 transitions. [2024-11-09 00:14:52,694 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 111 transitions. [2024-11-09 00:14:52,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:14:52,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:52,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:14:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:54,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:15:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 96 states and 130 transitions. [2024-11-09 00:15:02,204 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 130 transitions. [2024-11-09 00:15:02,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:15:02,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:02,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:02,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:15:03,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 95 states and 129 transitions. [2024-11-09 00:15:03,112 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 129 transitions. [2024-11-09 00:15:03,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:15:03,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:03,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:15:04,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:04,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 97 states and 130 transitions. [2024-11-09 00:15:04,263 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 130 transitions. [2024-11-09 00:15:04,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:15:04,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:04,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:05,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:15:14,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:14,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 111 states and 158 transitions. [2024-11-09 00:15:14,801 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2024-11-09 00:15:14,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:15:14,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:14,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:15:15,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:15,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 113 states and 161 transitions. [2024-11-09 00:15:15,946 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 161 transitions. [2024-11-09 00:15:15,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 00:15:15,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:15,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:15:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:16,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-09 00:15:16,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:16,089 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-09 00:15:16,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53 [2024-11-09 00:15:16,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-11-09 00:15:16,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-09 00:15:17,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 25 [2024-11-09 00:15:19,554 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:15:19,555 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2024-11-09 00:15:19,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:15:19,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:15:19,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 36 treesize of output 16 [2024-11-09 00:15:19,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:15:38,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:38,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 131 states and 199 transitions. [2024-11-09 00:15:38,878 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 199 transitions. [2024-11-09 00:15:38,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:38,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:38,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:41,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:16:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:03,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 146 states and 231 transitions. [2024-11-09 00:16:03,493 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 231 transitions. [2024-11-09 00:16:03,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:03,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:03,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:16:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:16:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:03,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-09 00:16:03,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:03,625 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2024-11-09 00:16:03,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53 [2024-11-09 00:16:05,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:16:05,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 33 [2024-11-09 00:16:05,424 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 0 case distinctions, treesize of input 34 treesize of output 33 [2024-11-09 00:19:08,676 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 0 case distinctions, treesize of input 43 treesize of output 40 [2024-11-09 00:19:08,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 42 treesize of output 18 [2024-11-09 00:19:14,573 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:19:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.