./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps4-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_8354ce93-8200-40d9-b988-888d09b54c55/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8354ce93-8200-40d9-b988-888d09b54c55/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8354ce93-8200-40d9-b988-888d09b54c55/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8354ce93-8200-40d9-b988-888d09b54c55/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps4-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8354ce93-8200-40d9-b988-888d09b54c55/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8354ce93-8200-40d9-b988-888d09b54c55/bin/ukojak-verify-afCqCEvfdi --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 35431d6758accd7fd2ee5ddf2b1a76a0fd5efeada0a27759fb5cb6b7d4ed3c08 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:02,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:02,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8354ce93-8200-40d9-b988-888d09b54c55/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:13:02,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:02,722 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:13:02,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:02,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:02,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:02,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:02,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:02,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:02,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:02,768 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:13:02,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:13:02,769 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:13:02,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:02,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:02,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:02,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:02,771 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:13:02,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:02,772 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:02,773 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:02,773 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:02,774 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:02,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:02,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:02,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:02,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:02,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:02,776 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:13:02,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:13:02,777 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:02,778 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_8354ce93-8200-40d9-b988-888d09b54c55/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8354ce93-8200-40d9-b988-888d09b54c55/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35431d6758accd7fd2ee5ddf2b1a76a0fd5efeada0a27759fb5cb6b7d4ed3c08 [2023-11-24 23:13:03,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:03,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:03,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:03,196 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:03,197 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:03,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8354ce93-8200-40d9-b988-888d09b54c55/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps4-ll.c [2023-11-24 23:13:06,361 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:06,620 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:06,620 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8354ce93-8200-40d9-b988-888d09b54c55/sv-benchmarks/c/recursified_nla-digbench/recursified_ps4-ll.c [2023-11-24 23:13:06,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8354ce93-8200-40d9-b988-888d09b54c55/bin/ukojak-verify-afCqCEvfdi/data/7e3d2836b/66404340d7f341e3a3760bf3470f685d/FLAG026319166 [2023-11-24 23:13:06,644 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8354ce93-8200-40d9-b988-888d09b54c55/bin/ukojak-verify-afCqCEvfdi/data/7e3d2836b/66404340d7f341e3a3760bf3470f685d [2023-11-24 23:13:06,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:06,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:06,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:06,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:06,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:06,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@448d14b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06, skipping insertion in model container [2023-11-24 23:13:06,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,688 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:06,841 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_8354ce93-8200-40d9-b988-888d09b54c55/sv-benchmarks/c/recursified_nla-digbench/recursified_ps4-ll.c[987,1000] [2023-11-24 23:13:06,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:06,868 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:06,880 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_8354ce93-8200-40d9-b988-888d09b54c55/sv-benchmarks/c/recursified_nla-digbench/recursified_ps4-ll.c[987,1000] [2023-11-24 23:13:06,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:06,906 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:06,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06 WrapperNode [2023-11-24 23:13:06,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:06,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:06,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:06,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:06,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,941 INFO L138 Inliner]: procedures = 16, calls = 63, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2023-11-24 23:13:06,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:06,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:06,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:06,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:06,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:06,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:06,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:06,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:06,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:06,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8354ce93-8200-40d9-b988-888d09b54c55/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:07,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8354ce93-8200-40d9-b988-888d09b54c55/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:07,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8354ce93-8200-40d9-b988-888d09b54c55/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:07,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:13:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:13:07,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:07,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:07,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:13:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2023-11-24 23:13:07,074 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2023-11-24 23:13:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:13:07,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:13:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:13:07,179 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:07,181 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:07,506 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:07,563 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:07,569 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:13:07,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:07 BoogieIcfgContainer [2023-11-24 23:13:07,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:07,572 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:07,572 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:07,585 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:07,586 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:07" (1/1) ... [2023-11-24 23:13:07,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:07,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:07,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-24 23:13:07,670 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-24 23:13:07,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:13:07,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:07,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:07,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-24 23:13:07,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:08,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:08,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:08,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:08,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:08,453 INFO L349 Elim1Store]: treesize reduction 188, result has 24.5 percent of original size [2023-11-24 23:13:08,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 130 treesize of output 333 [2023-11-24 23:13:08,504 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 17 treesize of output 15 [2023-11-24 23:13:08,572 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-24 23:13:08,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 73 [2023-11-24 23:13:08,634 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 17 treesize of output 15 [2023-11-24 23:13:08,954 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 33 treesize of output 29 [2023-11-24 23:13:09,157 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 33 treesize of output 29 [2023-11-24 23:13:09,224 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 33 treesize of output 29 [2023-11-24 23:13:09,313 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:13:09,319 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 400 [2023-11-24 23:13:09,809 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:13:09,814 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 368 [2023-11-24 23:13:10,050 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 23:13:10,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:10,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:10,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:10,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:10,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:10,064 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 23:13:10,078 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 23:13:10,079 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 23:13:10,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 117 [2023-11-24 23:13:10,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:10,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:10,198 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 23:13:10,228 INFO L349 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2023-11-24 23:13:10,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 156 treesize of output 131 [2023-11-24 23:13:10,614 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:13:10,618 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 448 [2023-11-24 23:13:10,922 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:13:10,929 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 302 [2023-11-24 23:13:11,161 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:13:11,166 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 557 [2023-11-24 23:13:11,461 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:13:11,465 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 571 [2023-11-24 23:13:11,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:11,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:11,757 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-24 23:13:11,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 16 [2023-11-24 23:13:12,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:12,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:12,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 36 transitions. [2023-11-24 23:13:12,370 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-11-24 23:13:12,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:13:12,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:12,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:12,666 WARN L260 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 115 conjunts are in the unsatisfiable core [2023-11-24 23:13:12,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:12,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:12,809 INFO L349 Elim1Store]: treesize reduction 78, result has 36.6 percent of original size [2023-11-24 23:13:12,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 123 treesize of output 102 [2023-11-24 23:13:12,840 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-24 23:13:12,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 57 [2023-11-24 23:13:12,850 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:13:12,852 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2023-11-24 23:13:12,873 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-24 23:13:12,923 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-24 23:13:12,927 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-24 23:13:12,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:12,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:12,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:12,956 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 59 treesize of output 35 [2023-11-24 23:13:12,964 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 [2023-11-24 23:13:12,974 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 9 treesize of output 7 [2023-11-24 23:13:13,001 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-24 23:13:13,004 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-24 23:13:13,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:13,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 35 [2023-11-24 23:13:13,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:13,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:13:13,062 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-24 23:13:13,065 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-24 23:13:13,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:13,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:13,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:13,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 33 [2023-11-24 23:13:13,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:13,090 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-24 23:13:13,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 16 treesize of output 1 [2023-11-24 23:13:13,098 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-24 23:13:13,101 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-24 23:13:13,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:13,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 46 [2023-11-24 23:13:13,128 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:13:13,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2023-11-24 23:13:13,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:13,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:13:14,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:14,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:14,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:14,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 47 [2023-11-24 23:13:14,365 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:17,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 71 transitions. [2023-11-24 23:13:17,988 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2023-11-24 23:13:17,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:13:17,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:17,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:18,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:13:18,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:18,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:18,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:18,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:18,114 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 64 treesize of output 30 [2023-11-24 23:13:18,137 INFO L349 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2023-11-24 23:13:18,137 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 163 treesize of output 158 [2023-11-24 23:13:18,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:18,153 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 16 treesize of output 11 [2023-11-24 23:13:18,487 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 15 treesize of output 7 [2023-11-24 23:13:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:20,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:20,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 46 states and 94 transitions. [2023-11-24 23:13:20,982 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 94 transitions. [2023-11-24 23:13:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:13:20,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:20,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:21,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 23:13:21,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:21,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:21,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:21,138 INFO L349 Elim1Store]: treesize reduction 28, result has 26.3 percent of original size [2023-11-24 23:13:21,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 55 [2023-11-24 23:13:21,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:21,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:21,174 INFO L349 Elim1Store]: treesize reduction 25, result has 41.9 percent of original size [2023-11-24 23:13:21,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 59 treesize of output 70 [2023-11-24 23:13:21,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:21,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:21,210 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2023-11-24 23:13:21,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 30 [2023-11-24 23:13:21,214 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 14 treesize of output 12 [2023-11-24 23:13:21,221 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 1 [2023-11-24 23:13:21,248 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 [2023-11-24 23:13:21,253 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 25 treesize of output 23 [2023-11-24 23:13:21,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:21,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:21,284 INFO L349 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2023-11-24 23:13:21,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 1 [2023-11-24 23:13:21,299 INFO L349 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2023-11-24 23:13:21,299 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 1 [2023-11-24 23:13:21,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:21,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:21,315 INFO L349 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2023-11-24 23:13:21,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 1 [2023-11-24 23:13:21,914 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:26,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:26,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 54 states and 127 transitions. [2023-11-24 23:13:26,114 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 127 transitions. [2023-11-24 23:13:26,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:13:26,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:26,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:26,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 136 conjunts are in the unsatisfiable core [2023-11-24 23:13:26,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:26,395 INFO L349 Elim1Store]: treesize reduction 50, result has 23.1 percent of original size [2023-11-24 23:13:26,395 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 2 case distinctions, treesize of input 59 treesize of output 22 [2023-11-24 23:13:26,418 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-24 23:13:26,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 84 [2023-11-24 23:13:26,440 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 88 treesize of output 84 [2023-11-24 23:13:26,458 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 59 treesize of output 22 [2023-11-24 23:13:26,471 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 115 treesize of output 113 [2023-11-24 23:13:26,489 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 59 treesize of output 22 [2023-11-24 23:13:26,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:26,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:26,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:26,522 INFO L349 Elim1Store]: treesize reduction 69, result has 1.4 percent of original size [2023-11-24 23:13:26,523 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 1 case distinctions, treesize of input 155 treesize of output 22 [2023-11-24 23:13:26,546 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-24 23:13:26,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 99 [2023-11-24 23:13:27,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:27,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:27,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:27,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 47 [2023-11-24 23:13:28,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:28,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:28,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:28,827 INFO L349 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2023-11-24 23:13:28,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 159 treesize of output 68 [2023-11-24 23:13:29,628 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:45,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:45,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 68 states and 200 transitions. [2023-11-24 23:13:45,199 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 200 transitions. [2023-11-24 23:13:45,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:13:45,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:45,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:45,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 103 conjunts are in the unsatisfiable core [2023-11-24 23:13:45,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:13:45,338 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-11-24 23:13:45,339 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 [2023-11-24 23:13:45,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:45,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:45,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:45,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:45,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:45,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:45,370 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 30 treesize of output 30 [2023-11-24 23:13:45,374 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 [2023-11-24 23:13:45,381 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 [2023-11-24 23:13:45,398 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 [2023-11-24 23:13:52,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 23:13:52,387 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 51 [2023-11-24 23:13:52,400 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 37 treesize of output 36 [2023-11-24 23:13:52,941 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.