./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9cf757-9730-4c98-abe2-456ef13648be/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9cf757-9730-4c98-abe2-456ef13648be/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9cf757-9730-4c98-abe2-456ef13648be/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9cf757-9730-4c98-abe2-456ef13648be/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9cf757-9730-4c98-abe2-456ef13648be/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9cf757-9730-4c98-abe2-456ef13648be/bin/ukojak-verify-EEHR8qb7sm --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 82b98e74657ce84706a43470df686c21fc227d1db1df507636ad5f146dee0144 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:35:40,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:35:41,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9cf757-9730-4c98-abe2-456ef13648be/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:35:41,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:35:41,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:35:41,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:35:41,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:35:41,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:35:41,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:35:41,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:35:41,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:35:41,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:35:41,076 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:35:41,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:35:41,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:35:41,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:35:41,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:35:41,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:35:41,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:35:41,078 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:35:41,078 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:35:41,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:35:41,078 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:35:41,079 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:35:41,079 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:35:41,079 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:35:41,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:35:41,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:35:41,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:35:41,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:35:41,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:35:41,080 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:35:41,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:35:41,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_bf9cf757-9730-4c98-abe2-456ef13648be/bin/ukojak-verify-EEHR8qb7sm 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 -> 82b98e74657ce84706a43470df686c21fc227d1db1df507636ad5f146dee0144 [2024-11-13 22:35:41,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:35:41,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:35:41,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:35:41,426 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:35:41,426 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:35:41,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9cf757-9730-4c98-abe2-456ef13648be/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c Unable to find full path for "g++" [2024-11-13 22:35:43,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:35:43,612 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:35:43,613 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9cf757-9730-4c98-abe2-456ef13648be/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c [2024-11-13 22:35:43,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9cf757-9730-4c98-abe2-456ef13648be/bin/ukojak-verify-EEHR8qb7sm/data/10745da6f/0b24c615e5d342b28c3ab9aab2480e73/FLAGaf4e5ac98 [2024-11-13 22:35:43,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9cf757-9730-4c98-abe2-456ef13648be/bin/ukojak-verify-EEHR8qb7sm/data/10745da6f/0b24c615e5d342b28c3ab9aab2480e73 [2024-11-13 22:35:43,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:35:43,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:35:43,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:35:43,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:35:43,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:35:43,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:35:43" (1/1) ... [2024-11-13 22:35:43,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21a9330c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:43, skipping insertion in model container [2024-11-13 22:35:43,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:35:43" (1/1) ... [2024-11-13 22:35:43,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:35:43,844 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9cf757-9730-4c98-abe2-456ef13648be/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c[1101,1114] [2024-11-13 22:35:43,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:35:43,903 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:35:43,916 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9cf757-9730-4c98-abe2-456ef13648be/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c[1101,1114] [2024-11-13 22:35:43,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:35:43,966 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:35:43,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:43 WrapperNode [2024-11-13 22:35:43,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:35:43,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:35:43,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:35:43,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:35:43,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:43" (1/1) ... [2024-11-13 22:35:43,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:43" (1/1) ... [2024-11-13 22:35:44,006 INFO L138 Inliner]: procedures = 18, calls = 82, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2024-11-13 22:35:44,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:35:44,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:35:44,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:35:44,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:35:44,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:43" (1/1) ... [2024-11-13 22:35:44,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:43" (1/1) ... [2024-11-13 22:35:44,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:43" (1/1) ... [2024-11-13 22:35:44,022 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:43" (1/1) ... [2024-11-13 22:35:44,030 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:43" (1/1) ... [2024-11-13 22:35:44,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:43" (1/1) ... [2024-11-13 22:35:44,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:43" (1/1) ... [2024-11-13 22:35:44,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:43" (1/1) ... [2024-11-13 22:35:44,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:35:44,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:35:44,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:35:44,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:35:44,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:43" (1/1) ... [2024-11-13 22:35:44,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:35:44,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9cf757-9730-4c98-abe2-456ef13648be/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:35:44,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9cf757-9730-4c98-abe2-456ef13648be/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:35:44,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf9cf757-9730-4c98-abe2-456ef13648be/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:35:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:35:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_36_0 [2024-11-13 22:35:44,110 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_36_0 [2024-11-13 22:35:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:35:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:35:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:35:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:35:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:35:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_43_0 [2024-11-13 22:35:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_43_0 [2024-11-13 22:35:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_46_to_51_0 [2024-11-13 22:35:44,111 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_46_to_51_0 [2024-11-13 22:35:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:35:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:35:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:35:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:35:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:35:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:35:44,242 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:35:44,244 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:35:44,512 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 22:35:44,513 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:35:44,551 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:35:44,551 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 22:35:44,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:35:44 BoogieIcfgContainer [2024-11-13 22:35:44,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:35:44,553 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:35:44,553 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:35:44,565 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:35:44,565 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:35:44" (1/1) ... [2024-11-13 22:35:44,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:35:44,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:44,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2024-11-13 22:35:44,641 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2024-11-13 22:35:44,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:35:44,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:44,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:35:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:35:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:45,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-13 22:35:45,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:35:45,225 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-13 22:35:45,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-11-13 22:35:45,279 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 15 treesize of output 1 [2024-11-13 22:35:45,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:45,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:45,543 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 85 treesize of output 37 [2024-11-13 22:35:46,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 41 [2024-11-13 22:35:46,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:35:49,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:35:49,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:49,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 67 transitions. [2024-11-13 22:35:49,426 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2024-11-13 22:35:49,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:35:49,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:49,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:35:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:35:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:49,709 WARN L253 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 118 conjuncts are in the unsatisfiable core [2024-11-13 22:35:49,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:35:49,733 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-13 22:35:49,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-11-13 22:35:49,757 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 15 treesize of output 1 [2024-11-13 22:35:49,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:49,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:35:49,946 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 85 treesize of output 37 [2024-11-13 22:35:57,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 41 [2024-11-13 22:35:58,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:36:03,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:36:03,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:03,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 60 states and 96 transitions. [2024-11-13 22:36:03,880 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 96 transitions. [2024-11-13 22:36:03,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:36:03,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:03,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:36:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:04,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-13 22:36:04,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:04,132 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 15 treesize of output 1 [2024-11-13 22:36:04,140 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-13 22:36:04,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-11-13 22:36:22,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:36:22,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:36:22,903 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 110 treesize of output 53 [2024-11-13 22:36:24,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 57 [2024-11-13 22:36:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:36:32,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:32,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 66 states and 114 transitions. [2024-11-13 22:36:32,448 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 114 transitions. [2024-11-13 22:36:32,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:36:32,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:32,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:36:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:33,002 WARN L253 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 170 conjuncts are in the unsatisfiable core [2024-11-13 22:36:33,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:33,026 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 15 treesize of output 1 [2024-11-13 22:36:33,036 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-13 22:36:33,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-11-13 22:36:33,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:36:33,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:36:33,750 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 110 treesize of output 53 [2024-11-13 22:37:06,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:37:06,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 83 [2024-11-13 22:37:07,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 79 [2024-11-13 22:37:08,494 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:46:05,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 22:46:15,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 22:46:26,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 22:46:36,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0]